aug_13 orals questions

7/27/2019 Aug_13 Orals Questions

1/29

ORALS REPEATED QUESTION:

Krupakaran VijayanOrals date: 13/09/2013

Surveyor: Shekar sir

applied for func 3.

Attempt: 4th

Duration: 45 mins

What type of ship you sailed and which company?

ship is in sailing and you are in watch. fire on the exahust manifold of your a/e which is running. what will you do?

boiler gauge glass blow down?

safties in boiler?

difference bt safety valve and relief valve?

safties in crane?

safties in steering gear?

hoa will you launch life raft?how will you launch forward life raft? why it is in forward?

why life raft is having co2 gas for inflating?why not air or oxygen?

safties in life boat?

he drew a circle and centre horizontal line and he asked where can you find it? i said load line.then he asked what does it mean?

If a ship is having two propellers, what is direction of rotation? i said opposite.... then he asked why and justify?

how will you pump out the bilges? will you pump out in outer anchorage?

your ship is coming towards a port, will you pump out that time? i said we can....

these are the questions he asked. many cross questions... questions are simple but he expect us to justify our answers. we have

to give reasons for alarms and trips...

Result: come next time..

All the best guys... prepare well...

Vignesh Waran

12/9/2013

Internal: Mr.Choudry.

Function: 3 and 6

Function 3:

* Explain Simpsons Rule.

* Sheer

* Camber

* IG alarms and trips.

* Annex 5 regulation.

Function 6:

* Explain cenrifugal pump O'Haul Procedure.

-- was explaining till removal of shaft, he stopped me there and asked me what checks will you do in the shaft, i said trueness

and scoring marks. he asked then wht else ? couldnt answer. he was expecting some point.

* Boiler starting from cold

* AE fuel injector O'Haul.

Result: Cleared Function 3
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2/29

Francis Pradeep11/9/13

internal choudry

fn 3

annex 5 new regulation

wat can be dumped by this new regulation.

camber

bulbers bow purpose .

solid floor and its use .lightning hole and purpose of it.

fn 4

me full lo system .

what is tc surging

generator tc surging reasons . wat will be ur immediate action if tc surges during ur watch .

fw generator workin principle .

how vacum created .

safties in fwg .

wer will u find vacum breakers .

what will be your action if vacum is not created properly

Ananth ThirugnanasambanthamAttempt 3

11/9/13

Internal: Mr.Sekar

Fn 3

1) Wat al d topic covering under func 3?

2) Windlass safties? then he askd to explain all safies working, necessity & cross ques.

3) I.G sys safties. Same asdk to explain evrythng & many cross ques

4) Wat r annexes in marpol?

5) Equipments coming under marpol annex 6?

6) How many life rafts in ur ship? and its location

7) Launching procedure of life raft.

Result: Fail

Akash Vishnu

10/9/13

internal:gopi krishna

function:all

fun:3

difference of container compared 2 others n cross questions

bulbous bow n its use

collision bulkheadpropeller n rudder material

bulkheads

annexe 5 n its new amendments n garbage disposer size

co2 monthly , yearly n 5 year inspection

co2 entry n exit procedure

fun:4b

tappet clearence full procedure
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3/29

purifier opn

safety valve opn n its types

compressor safeties

ccai

ccai %

fun:5

transfomer def

transformer losses

types of starters n expactive power

apparent power

power factor

useful power

induction motor

synchronous motor

fun:6

purifier vibration wat s the reason

o'flow in purifier reason

refrigeration system

veg room temp suddenly dropppin wat s the reasons

sorry guys for late posting n some more questions wer asked

but i remember oly this much

result : got fun 5

all the best for everybody

Srihari PrakashDate : 11.09.2013

Functions applied : 3 & 4

Internal choudry sir...

Function-3

In bulk carrier cargo hold water alarm sounds wat u ill do and which pump u start 1st and he ask starboad or port side pump u

start.then go in solas chapter 12 additional safety of bulk carrier..

why bulk carrier have having more free board than oil carrier...

ISPS and ism full detail explanation...

garbage regulation he ask did u through any dump waste and anythings else...see full regulations in garbage....

Functions-4

boiler water test why needed and wat all the tests , wat u ill do more chloride and blow down procedure, how many valves in

blow down line....

generator lube oil reduces wat r the cause and differnce between compression ring and scarper ring...

FWG effieciency drops..by vaccum and temp drop reasons....

some cross questions of above all...

Result-Fun 3...

the questions below are ask by sekar sir to others.

difference between safety valve and relief valve setting...why 3% and why 10%..

safties in air condition..

safties in windlass and explin deep of all safties..

as i rememberd i post...
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4/29

thanks for all who posted questions in this group

best of luck...

Sathish Narayanan

Date : 11.09.2013

Attempt 2

internalchoudry

Fun 3:

Ism,isps definitions,why bulk carrier n oil tkr hav diff freeboard, freeboard def, bulk carrier arrangement n at cargo hold

safeties,garbage regulations,isps levels.

Fun 4:

Diff between 2 n 4 stroke , wat will happen if u r nt blow thorough d engine n cross questions, purpose n safety in

intercooler,lubrication in generator fully,nomograph.

Fun 5:

Induction motor,air gap,emerg swb supply,battery maintenance n cross questions

Fun 6:

Engine room watch fully,purifier overflow reason,tappet clearance n cross questions, asked if yur 2/e gives u fuel valve wat uwill test n overhaul procedure, boiler gauge glass blow down procedure,how u will check motor wen running i told by touching

with hand in motor casing n he asked which side of hand n air compressor v/v testing

Got function 6 n thanks to all who posted questions before. Best of luck .

Harish Kumar SwaminathanDate:11-09-13Applied for all function.

Second attemptSurveyor: choudhry

Fun 3:1.what is simpson's rule. Purpose of simpson's rule.2.what is sheer3.what is camber

4.what is solid floor5.co2 releasing procedureHe asked me what u ll do before releasing co26.what kind of portable ext. U had in boiler plotform.and he asked about 45 ltr co2 ext

7.chemicals in DCP ext and size in boiler plotform.

Fun:4

1.air bottle safety.2.starting air manifold safety.

3.what is mean by interface in purifier.4.how will u select the gravity disc

5.what is mean by rotocap. Purpose of rotocap.6.how will make sure ur rotocap isworking properly

Fun:51 . before paralleling d/g what all thinks u will check.i told every thing he ask me to exp.in diagram2 . induction motor principle

3. Transformer principle
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5/29

4. Before enter to battery room what all things u will do. He asked abt exh.fan. wer its fitted.5.emrgncy genny suply wer go.

6.steering gear motor safety.7.what is mean by trickle charging of battery

Fun:61.how will u measure the bottom end bearing clearence in dg

In which position2.lo pump is not developing pres.What is reasons.

3.FWG high salinity alam.how will I correct.4.ejector pump vibrating more what will u do.5.what is single phasing.condition of motor in running and stop.6.how to take tappet clearence.

Result: Got fun 4b & 6All the best. To all

David Madhan

FUNCTION 3 ORAL ATTENDED ON 10 SEP 2013.TAKEN BY : PRINCIPAL OFFICER

1. WAT IS GM2. WAT HAPPENS WHEN GM IS ZERO

3. ANGLE OF LOLL4. WHERE ALL U FIND IMO NUMBER OF UR SHIP5. WHAT IS PLIMSOLL LINE

6. WHAT IS LOAD LINE7. WHY THERE IS A LINE INTERSECTING IN IT8. WHAT THE LETTERS IN THE PLIMSOLL LINE MEAN9. HOW U USE FOAM EXTINGUISHER (IF U DONT HAVE BULKHEAD NEAR )

10. IF CEILING IS SO FAR THEN HOW WILL U UISE FOAM EXTINGUISHER?11. WHAT IS CENTRE OF BUOYANCY? WILL BUOYANCY ACTS THROUGH B OR DISTRIBUTED ALL OVER THE HULL? IFSO THEN WHY WE SAY B

ATLAST CLEARED FUNCTION 3.

Shivaji SivaKumarDate 10.9.13

Function apllied 3 4b 6

Mr . Gopikrishnan sir.

Function 3.

What is semibalanced rudder exact definition

What is grt

What is nrt

What is register ton

Dead weight

Sheer strake

Bilge strake

What is highest density cargo ur ship can carry.

Checks in co2 room before entering and after entering

Explain annex lV fully

Sewage holding tank capacity

Function 4b

Safety valve types

which is efficient why
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6/29

What is valve lift of each

Valve material

Compressor safety

Crankcase lub oil properties range of each

Piston ring material

Propellor material

Centrifugal pump principle

Globe valve materials

Compression ratio why it is necessary

Function 6

Refrigeration system explain

Veg room temp not coming up what r causes

what is back pressure valve

Purifier overflow reasons

how u will knw rpm achieved in purifier

Tappet clearance

Main engine not starting reasons and check....

Finally: Got fun6

That's all i remember .... giving time to answer but need all.......

All the best guys....

Sakthivel Rajadurai

Function-all

Date 06/09/13,morning 11-1230

Surveyor - Mathews

Initially asked me to put collar button for tie & come back.

Asked for CDC or passport

function:3what kind vessel u sailed ?

Draw cross section of product tanker.

Asked GRT & NRT of my vessel

how ll u calculate cargo hold volume.i said under water volume of hold can be found using Simpson rule.

what is simpson rule?lot of cross question.not able to answer exactly.he said u

people r just mugging up& vomitting.lot of cross question in every word.

what is gunwhale,scantilings,bilge brackets,what is the purpose of bridge wing?

i said book definitions,he doest want book sentence,by what u understanding from bilge keel to main deck?

what ur vessel geared or non geared?

crane capacity ?what is SWL ?how will u test crane capacity of 30 tonnes of your

ship each 4 crane?cross question like maintenance on crane weekly monthly?

Is draught will change while carrying load by crane?

As a 4th engg what ll u prepare for bunkering safety?

solas chapters?chapter 12 asked breifly?

regarding water ingress alarm?

marpol? new U.s c g area?

some cross question from my answers..whatever word we using,he hunting with that.

function :4

what type of ur main engine?definition?

what is MAN B&W ?

what u understand by super long stroke?MCR?
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7/29

What is critical rpm?how super vit works?maximum allowance for piston ring clearance?

during rounds what r check ll u do on air compressor? fusible plug ?

turbo charger chartics curve something ? i was remembering,suddenly

shouted,that all next function he said.gone for 5..

function:5

i requested for answering last funt question..he not at all bothered,Asked about

alternator type?

why ur 3 generator ve same capacity rating ?

types of transformer? losses on it?paralleling checks? what u understand by in phase?

how will u find earth fault from fwd to aft of ur ship?if malfunctioning of earth fault display?

induction motor ? synchro motor difference?

cross question for every answer?like excitor..he asked wat is that?

brush & brushless generator?

maintenance on ur boiler control panel?

application of dc motor onboard?

any overhaul u did on transformer?what kind of ventilation?

cross question...like what is ambient temperature?

function :6

centrifugal pump overhaul?

broken studs ?how will rectify?

checks on stuffing box?

a/e tappet clearance? i started with safety..he said everything done..push rod

not gets free then?

decarb on air compressor,types of valve on air compressor?

how will u clean those valves?

what type of boiler?burner type & have u assit any overhaul on it?

Boiler tube got holed? How will you come to know?

engine room round checks?during round u noticing tat boiler gauge glass no

water indication?i said cross checking with second gauge glass?he said that

also under repair progress?cross question in this...

final scenario ,before publishing result,he instructed ur answers like,even oiler can say better.

sorry friends i cant remember some cross questions.thanks lot to this group. Result : FUNCT3

Venkat Themarinerdate 06/09/13

fun: 3&6

taken by gopi krishnan and ?

fun 3

1.explain ism

2 doc,validity,who issue,

3. smc ,validity,issue

4.interim certificate

5.fixed fire fighiting system on e/r

routine maintanence

2, 10 yearly maintanence

how u know co2 bottle is tested

nozzle and discharge manifold piping testing

blower arrangement , location , no air changes

how many bottles on your ship

expansion ratio of co2
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8/29

how to calculate required co2

6. fixed fire fighting system on deck draw it, maintanence

7. striker plate purpose, location , material

8. angle of loll, draw diag,conditions for angle of loll ,how to correct it

9.free surface effect , condition, how to correct it

10. ig system - safties in ig

pv breaker working principle

fun 6

1. cylinder head overhauling filters so many cross questions2. bottom end bearing clearence method

3. y it is not taken at tdc

4.compressor safties

compressor routiene maintanence

compressor v/v overhauling

how to lap v/v and especially v/v seat

leak test

5. where u will find hot filters

change over filter and some cross questions

cleaning method

6. centrifugal pump dismantaling

inspection on p/p

inspection on impellerwear ring location , purpose, clearance

finally got fun 6

Chandru Rajasekar

Date:6/9/13

Surveyor Mr.gopikrishnan & venugopal

Fun : all

Fun 3

Wat is grt ,nrt ,free surface effect?Wat is freshwater allowance'

Wat is semibalance rudder ?

Wat did u c in cargo hold (abt ship construction)?

Where in ur ship u found this detail ,freeboard ,summerdraft..etc ( he was asking all the information which was Der in the tar

book)

Annex 5 new regulation

Abt Dcp all this things?

Fun 4

Diff b/w 2 stroke 4 stroke

Timing diagram for both ( told to draw)

Wat is overlap period in starting (many cross questions)

Boiler type ?How many safety v/v and setting?

Wat is design pressure and working pressure ?

Wat is hydraulic pressure ?

Wats principle behind centriugal pump?

Purifier safety ?

Fun 5

Draw avr circuit
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9/29

Sea water in a motor wat will u do?

How many segment is Der in ur msb

Suppose motor not starting wat will all checks u will do ( many cross questions)

How many voltages are available onboard ?

ESB - where all it gives supply

Wat motor is used in winches ?

How e/r crane is able to left the weight ,y it is not slipping?

Fun 6

Main bearing clearance how will u take?Crankcase inspection ?

How do u fix bearing procedure ? Many cross question

How will u take tappet clearance ?

Many cross questions were asked and many more questions were been asked.can't remember .nearly 2 hour 15 min.

Finally gave fun5

Guys pls prepare for cross questions not for the posted questions

Giri Prasath

Date:6/9/13

surveyor : Mr.Mohabatra sir

function: 3 & 4B

Function - 3

1.what is Deadweight? and cross questions?

2.what is camber ? and its angle?

3.what is TPC? explain about the definition?

4.types of ORB? and explain about the ORB regulation?

5.SOLAS conventions and certiictes for carrying in ur ship with respect to that convention?

Function- 4B

1.liner material?many more cross question?2.crosshead lubrication? lot of cross question?

3.telescopic pipe?location and cross question?

4.boiler safeties?

5.types of safety valve? draw that?

That all i remember guys

please do well sure he will give paper

all the best guys

Ravi Sooriyaprakash

Attempt - 0206/09/2013

Surveyor - Mathews sir

first of all he started with wat kind of ship u sailed and i said type III chemical/product carrier.

then he asked was there is any constructional difference or any other rule is there to mention it is type III. i told sir i prepared

only for electricals.

then he asked me r u sure, i said yes and he written the same in the paper he was having with him
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10/29

# first he started with alternator specification and many more creoss question in that itself.

# then he asked wat all the voltages used on board

and from here he started many more cross questions like how the volt changed from 440 to 220

and i told abt transformer then he asked abt transformer winding connections

# msb safeties

# trips and explain more cross questions

# then he suddenly started questions from battery and how it is getting 24 v

and state of charge how to measure , wat type of arrangement is there in ur ship

# then he moved to earth fault indications and more cross questions# asked abt my ship battery

he asked this much questions to me and more cross questions from each and every explanation

i posted wat ever i remember because he was starting some question and from there he is making link to next question

finally : he told cleared function 5

Yeshwanth Ravikrishnan

date:06/09/13

New surveyor. Both internal and external

FUNCTIONS APPEARED:3&4B

FUNCTION 3

What do you understand by longitudinal and transverse bulkhead ?..

What are floors and the difference between a girder and floor

Collision bulk head and crossquestions

CO2 room calculation... guys he's asking expansion for that formula

Before CO2 activating what actions you take ?

FUNCTION 4B

What is the diff between 2stroke n 4 stroke ?

Jcw alarm sounds what ll be your action ,?

M/E alarms n trips ?

Boiler type ,cross questions?

When taking rounds you find ref compressor running normal but when you come to watch you find compressor trips due to hp

cut out reasons ,cross questions

Thats all I remember guys

Cleared function 4b

Thanks guys for your posts

Mohammed RafiDate:5/9/13

NEW SURVEYOR at Chennai MMD

FUNC : 3,4B

Fn:31.Draw DCP portable fire extinguisher.

2.annex 6 completely ( lot of cross questions )

3.steering gear safeties.

4.ship terms ?

5.garboard strake purpose ?

6.HRU ? where do u find on bridge euipment ?

Fn:4b
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11/29

1. purifier completely ( lot of cross questions )

2. steering gear circuit dia draw and explain ( 4ram).

explain if two rams failed how will u turn rudder ? ( lot of cross questions )

3. piston rings clearances.. and purposes.

4. accumulation pressure in boiler ?

Result : cleared both functions ( 1st impression is Best The impression guys so plz try to give ur best for the 1st question from

surveyor )

Thanks to this group, and who ever posted their questions.

Mahesh Donga

Date:5/9/13

Surveyor: Gopi kristnan

Functions: 4B,5

FUNCTION 4B

1) diff b/w rotary vane type nd 4 ram types steering gear system.

2)what is RT flex.

3)M/E safeties.

4) what is thermal strip.

5)Starting procedure for FWG.

6)Types of fuel pumps.

FUNCTION 5

1)alternator maintanences.

2)air gap in ur ship.

3)what is excitation.

4)Types of excitation.

5)define transformer nd losses in it.

6)ohm's law.

7)induction motor working principle.

8)tell abt fuse nd relay

That's all I remember guys..got fun 5...

Naveen NareshDate:5/8/13

int:choudry

fn:3

1.degree of freedom

2.isps

3.describe annex-4

4.what u kno abt sewage plant--so many cross question

5.explain abt dcp extinguisher-what are all things in that

6.discharge criteria for engine room bilges

fn:4b

1.two stroke and four stroke difference

2.main engine safeties

3.starting air line safeties

4.what's use of crankcase relief door

5.difference between clarifier and purifier
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12/29

6.how to change gravity disc for new bunker oil

7.how many ways to find nomogram-explain both methods.

got fn 4b

Dhinesh Khanna

date of orals:04-09-2013

functions applied: 3, 4b, 5

surveyor: Mr. Arbind Chowdhary

func3:

1.what is simpsons rule? why is it used?

2.what are the multipliers of simpsons first rule?

3.what is TEU? dimensions?

4.stcw chapters? what is present in engine department chapter?

5.life boat lowering procedure?

6.deadman's handle?

7.regulations for discharge of engine room bilges?

8.documents carried onboard?

9.EEDI calculation?

10.emergency generator room regulations?

func 4b:

1.what is the difference between 2 stroke and 4 stroke engines?

2.explain complete lubrication of your engine?

3.M/E safety interlocks

4.when ahead kick is given wat interlocks act in wat order?

5.air starting line explosion?

6.air compressor safeties?

6.purifier alarms?

func 5:

1.msb safeties?

2.induction motor workin principle?

3.how to detect earth fault in a motor?

4.megger testing?

5.how to synchronise generators?

6.workin of synchroscope?

7.what will happen if you synchronise generators with different frequency and voltage?

8.what will happen if you synchronise generators with different phase sequence?

Result: cleared func. 3 and 4b

Arvinth Samy

Date : 04/09/13

Functions applied : 4b,5 & 6

Fun 4b

1.how boiler water level is maintained and cross questions
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13/29

2.main engine exh.temp one unit increases how ll u come to know?

3. at what temp you will get exh temp deviation alarm?

4. how will you start a generator

5. Main engine safety trips and alarms

6. generator safety trips

7. Main engine and generator wat all parameters you ll record in log book

8. many cross questions in parameters of main engine and generator parameters..like what was ur eng l.o press,at wat pr. l.o low

pr. alarm comes..etc ..

9. reason for vacuum drop in fwg..

Fun 5

1. steering motor safeties

2. msb safeties

3. emergency generator regulation , how emergency generator comes on load

4. alternator safeties

5. preferential tripping,at wat % of the load preferential tripping ll take place

6. how to take insulation resistance draw

7. uses of multimeter

8. how ll u measure current using multimeter draw

9. what ll b d insulation resistance value??if it goes below the min. value wat ll u do?

Fun 6

1. chain block safeties

2. wat is an eye bolt

3. types of thread

4. how to start fwg

5. centrifugal pump wat al d parts

6. material of wear ring in impeller

He was asking questions very fast,so could not remember much...

Result : cleared Fun 4b, 5

Nudrath KhanDate 04 sep 2013

Internal ChaudryApplied function 3 and 6

fun 3

Type of ship

Annex for ur ship

explain annex 5 in detail cross questions

camber

sheer

green water

isps code lot of cross questions

fun 6boiler blowdown procedure

sampling procedure for boiler

scum blowdown

tappet clearence when taken etc hella lot of questions

440v low insulation

tie rod broken in between removal procedure...

thats all i remember cleared fun 3
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14/29

Naresh KumarDate:4/8/13

int: chouadry

fxn 3

..type of ship u sailed

..doc & cert carried onboard

..life boat regulation

..garbage discharging criteria .......

..emergency fire p/p requirements

..free surface effect

..gross tonnage & net tonnage

..how is anchor chain secured to ship & hw will u let go incase of emergency.

fxn 4b

..engine type

..air cooler purpose

..m/e engine lub system

..scavenge fire causes, hw will u find out & remedy

..boiler blow down

..fresh water generator type,starting, troublshooting for vaccum failure.

..generator safties & trips

fxn 5

..paralleling, what are the methods for synchoronising

..why close at 12'o clock & not 6'

..steering gear motor safties & checks

..battery checks-hw will u check the level,

..why distilled water is added & not acid

3,4b cleared-

Ram Gorentla

date of orals:03-09-2013surveyor:MR. K.N.G. Reddy

applied for functions:3,4b,6

func 3:

what is pollution?

what is annex 1?

DB tank construction and material?

sounding pipe dia and material?

air vent construction,arrangement and safeties?

how are frames numbered?

shell expansion plan

stability questions

enclosed space entry procedurescollision bulkhead plan view,elevation and cross sectional view

func4:

when generator is runnin in idle condition how to take tappet clearance

normal tappet clearance procedure

boiler automatic combustion sequence

generator interlocks

flywheel crowbar interlock?
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15/29

func6:

chain block workin with dia

wire slings,SWL,test procedure

purifier overhauling procedure

gauge glass blow thro procedure

result: got function 6

Gopinath Rajakumar

03.09.2013

Applied for...4B and 6

External: Reddy internal : new one

Function: 4B

1. Causes of starting air line explosion?

2. Safeties in the starting air line?

3. How to start compressor manually? How much will be the temperature between cooling water inlet and outlet? And how do

you check the flow of the cooling water?...

4. What will be the pressure and temperature of air before and after the intercooler?

5. Engine room overhead crane safeties?6. Working principle of feed water controller for the boiler? And how It is controlling the flow?

7. What is the function of flame trap?

Function: 6

1. Types of welding processes?

2. What is butt weld? And where all you find it?

3. Complete dismantling procedure of purifier?

4. Tell me the tools name which is required for dismantling?

5. Crankcase inspection procedures and precautions?

6. Procedure for charging the refrigerants into the ref system?

7. What are the properties of refrigerants?

8. What are the properties of ref lub oil?

Finally cleared class IV part-B

Thanks guysAll the best..

Jagadhees Thirumoorthy

Date:03.09.2013

fn 6

surveyor: dont know his name , specs, fair

1.wat is tappet clearance, how to take, is it same for inlet and exh,how much for each v/v, re-checking tdc, adjustment etc

2. boiler safety valve setting.

3.gear pump overhaul, checks to be made.

4. how to check omd is working correct

5. crankcase inspection procedure..

that's it frds,cleared, thanks to this group, all the very best to all.

Rajesh Kandhasamy
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16/29

Date:03.09.2013

applied for...3 and 4b

internal :new one

External:Reddy from amet

fn:3

type of ship

marpol annex 6

draw and explain collision bulkhead

draw and explain chain lockerenclosed space entry

double bottom tank air vent digram

cross questions in each questions

fn:4b

FWG fully

reason for not raising in vaccum in fwg

centrifugal pump

how will you start centrifugal pump

scavenge fire

reason for liner wear

rotocap diagram and explain

thats all guys...

cleared fn;3

thanks for the guys who posted the questions previously

Sanjeev KumarHi guys....

Date:3/9/13

Applied for all function...

Mr.senthil...

motor & general....

1.Type of engine...

2.parameters you will check,when the engine is running..

3.Starting air line safety..

4.air bot...safety...

5.compressor saftey...what is bumping clearence..reason for it..

5.tappet clearence..

6.crank case explosion...(omd alarm wat you will do)..

7.scavenge fire...in one unit capt said should not stop the engine....then how will you restrict it...

8.how you will cut a gasket...

9.bilge pump sucking air from pipe line..how u will find out which pipe is that...

safety & ship contruct..

10.Safety in high pressure line... for ME & AUx engine...11. die penetrent test...

SHIP CON& SAFETY

1.All def in ship con....like LOA,flare,sheer strake...

2.contruction of ur ship...

3.vent for all the tanks draw and show...like fo tk,ballast tk....ASKED ABOUT WIRE MESH...where is located in fo tk..

4.cargo tk cons in ur ship..

5.All the annexs....oil discharge crit....sopep...
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17/29

6.fixed co2 fire extinguishing in ur..ship... also study co2 system..

7.emergency stop... how to cut off fuel lines all together..

Electricals....

1.star delta starters...study every thing about that ..also the crct dia

2.reverse power relay working ,reason

3.msb safety...

4.battery room safety

5.checks in battery

thats all guys...

Karthikeyan RenganathanAll praise to the GOD

first of all i apologize for the delay. today only i reached my hometown.

fun:3

date:03.06.2013

examiner: i dont know his name; fair ,stout, specs but not mr. choudary

1. what is angle of loll? some cross questions ( just ans whatever u know in that thing like cross curves of stability nd all. ll br

satisfied.)

2.why bulk carriers have hopper tanks?

3.what type of vessel u sailed in?

4.safeties in ig system?5.definition of pv valve.

6.explain completely about annexe-3 in marpol.

these are the questions i remember. rest all questions were very simple that im pretty sure that u people will definitely answer.

result: cleared.......

i convey my hearty thanks to siva, balmu, balsu, padu, vishal, ravindar, sasi, vijibaa, shivabharat, venki bro, mithun anna and all

those who guided and helped me through the process and all those guys who posted their questions here. thanxxxxxxxxx a lot.

Jayakaanthan DhanasekaranDate: 02\09\13

Function 3 and 5

Internal : dont know his name.

******Note: please put "HOW , WHY , IS IT and SO EASYYYzzzz ??" to all quesions

******

Function 3:

what is pv breaker?

What is garboard strake? draw and show where it is located?

What is annex four? if no sewage treatment plant

if no collecting tank for sewage?

if you are not giving to reception facilities?

there are many ships without treatment plant and holding tank what they will do?

what is BOD in bio. treatment plant.

Draw AFFF extinguisher? and some questions.

What is ur ship? LPG , then draw transverse section of bulk carrier?and many cross questions in that?

Enclosed space entry? and cross questions

Function 5:

How will you parrallel two generators, what all is required ?

Asked the procedure, from starting and parlleling.

What is synchroscope ? what you will see in synchroscope? many cross questions

Why it is closed at 11 o'clock? tell me what lags current or voltage. and why
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18/29

what is earth fault ? how wil you know where has earth fault occured?

what is insulation test? why you do it? how you do it.?

what is megger? how it works? how much voltage it produces?

Drw the terminals where the megger is connected.

now explain how you take the insulation resistance test?

what will show in megger? what is the desired value.

what will you do for increasing the insulation resistance in motor.

what is power factor? what is real power and apparent power?

what should be the value of powerfactor?

diff between lead acid and alkaline batteries>?what is the advantage of lead acid batteries over alkaline?

What type of starter is used for starting high capacity induction motor?

Draw the circuit of Star - Delta starter?

full diagram and explain what happens?

Why the motor draws more current will starting ?

Draw star and delta ckt and explain how current goes ( the path of current).

Cleared function : 5 ;):) ... and thanks for all who are posting the questions here...

Sivasankar Chinnathambu

Date:02.09.2013

Applied Functions: 4B & 5

External : Senthil

Funn 4B:

1. Explain abt quick closing valve and how will oprate as well how to retain it back to operaton?

2. Purpose of deck isolation valve?

3. Types of fuel pump and explain abt Port controlled helix jerk pump?

4. M/E L.O system?

5. Fuel oil leak off tank purpose?

6. what s Breather pipe in engine and how its work too where its connected ?

Fun 5:

1. Differ from each against earth fault, short and open circuit?

2. Can we able to parallel 2 generators at a time?3. Working principle of synchroscope?

4. What is mean by phase? How know the phase sequence has occurred?

5. By adjusting the Governor knob from ECR how the speed is being increased?

6. Explain abt bright and dark lamp method?

7. ICCP system?

And some more ?????

Lakshmi Narayananexternal:new (dont know his name)

internal: gopi krishna

function applied: all

fun:4bstarted with ship details

oil mist detector alarm wht will u do

cranckase inspection

m.e unit decard

turbo charger types & surging

bumping clearance and its effects

aircompressor safeties

observation tank
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19/29

m.e safeties

purifier room fire

routine checks in refer system

fun:3

chain locker

bitter end

camber

all annexex

ismorb

grb

certificates to carry

fun:5

earthing

earth fault

short ckt and its effects

action on earth fault alarm

paralleling of generators

synchroscope

bright and dark lamp method

msb safeties

reverse power trip and its effects and testing

motor insulation test

fun:6

will u put old steam gasket after maintenance in flange

piston removal

checks after removal

why we use reciprocating pump for ows

steam trap types and use

enclosed space entry

bunkering procedure and safeties

bdn

these r the questions i remember guys

got fun:6

all the best for my fellow guys who r giving exams.

Dinesh DograDATE 02/09/13

INTERNAL : NEW SURVEYOR

FUNCTION:4B,5,6

TIE BOLTPUNTURE V/V

FULL BORE SAFETY V/V

PPLR DROP

POKER GAUGE

DRYDOCK INSPECTION

C/F PUMP O/H

BOILER GAUGE GLASS BLOW THRO ?

DIFF SAFETY AND RELIEF V/V
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20/29

REFER PLANT GAS CHARGING

WHILE TAKING ROUND CHECK IN STEERING GAER ROOM

A/E CRANKCASE INSPECTION

WHAT IS REACTANCE

WAT IS IMPEDENCE

SHORT CIRCUIT

AIR CIRCUIT BREAKER HOW IT WORKS...

HOW TO CALCULATE ENGINE POWER?

DIAGRAM OF POWER CARD

THATS ALL GUYS... BT MOST OF THE TIME IS ASKING DRAW DIAGRAMS LIKE FULL BORE SAFTEY V/V,POKER GAUGE HE ASK TO DRAW

HOPE IT WILL U GUYS...

BEST OF LUCK....

Antony Manesh30/8/2013

surveyor : Mr.janaka

function 4b

1.grades of lub oil used in engine room. i really dint know but i had read in a book abt this so tried my luck .SAE 30 for m/e

SAE 40 for A/E, SAE 50 for cyliinder lubrication.he asked what is SAE what do u understand by it . I said society of automotive engineers .it specifies the grade based on

viscosity of oil sae 30 ha viscosity 9.3 t0 12.5 cst at 100deg celcius and sae40 12.5 to 16.3 and sae50 at 16.3 to 21.9

2)what are the properties of lub oil used for refrigerant? i answered low miscibility with refrigerant for high oil film thickness

and reduced shaft seal leakage,high thermal ,oxidation,chemical stability and high viscosity index.he the asked me abt its grade

here i got stuck .i said i dint know.he further scewd me abt various grades of oil such as steering gear etc .i got really fucked her

bcoz just at that time mr.chowdry enterd the room.and he saw me sitting dumb unable to answer .i said to myself this is my fi fth

attempt and will be my last attempt.

3) next he moved on to auxillary engine.i considered my self strong in it.he asked things like tappet clearance,what is tappet and

the he asked abt decarb .whether u have done it.he asked me abt bottom end bearing clearance .how will u take it. while

assembly and disaasembly what is the safety to be followed. ididnt know the answer exactly so i explained about the

disassembly tool used in yanmar and it serves as a guide for the bearing bottom half .he didnt say anything and moved on tonext question

4)how the con rod bolts tightened. they are tightened by angular tightening method.my engine had four bolts.they are first

tightened to the the required seating torque 49nNm by torque wrench.the opposite bolts are tightened in two steps to the

required angle(78 deg)

5)then he moved on to main engine.

material of exhaust valve- valve spindle is made of nimonic aand valve seat is made of molbdenum steel coated with stellite

6)what is the type of contact between exhaust valve and seat.i said point contact.he then asked why .i just took a minute here

and thought if ur going to bullshit, bullshit something relevant. so i just guessed in case of surface contact ,the area available for

carbon and other elements like vanadium and sodium to deposit is large and hence it may lead to corrosion and erosion.another

thing is that in case of surface contact the force that need to be exerted on vanes for it to rotate will be large and more wearcould take place between valve and seat.he seemed satisfied

7)how will u overhaul exhaust valve and and seat.pls dont say cleaning buffing or anything abt o rings

BY using a maker supplied template we can find out whether the wear on the valve and seat are with in permissible limits.do

we use the same template for valve and seat? no seperate ones.what to do if wear is more than permissible limits?grind the

valves on exhaust valve grinding machine by setting correct angle in the grinding head

8)what is the stern tube luboil pr? i said its around 1.8 to 2 bar.he then as whats the criteria for it. the pressure inside the stern

tube must be maintained same as that of surrounding sea water pr.
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21/29

what does the sea water pressure depend on?i had no clue.thought it could be the draft of the vessel.and i said it.next he asked

what happen when draft increases i said the seawater pr increases.

result . mr chowdry broke to me the good news that i ve cleared my class 4.a stress that was eating me alive for past 6 months is

now finally relieved. thanks to GOD and all the friends of this community who helped all way.thanks for reading my post and

pls do post you oral questions here.ALL THE BEST GUYS...... ............

Naren Prabhakarso sorry for the delay guys.... iniki evening thaan thelinjidhu.. ... i hope u understand.

date: 30/08/13

surv: external- Janaka

func: 3,4b,6

attemt: 4th

fun 3

* How many venting arrangements did u have on ur deck

* how does high velocity vent work, draw and explain

* wat r the annex 6 regulations wit respect to cargo venting.

* wat all fire fighting arrangements did u have on the deck and lot of cross questions like distance between hydrants, foam

monitors...throwing distance...etc

* regulations to be folwed regarding cargo manifold during loading and discharging.* draw the flammability diagram and explain PERFECTLY..

* wat is chapter 9 of solas.

* explain ISM with certificates concerned wit some cross questions.

* wat is ISPS code and explain.

* wat type of oily water seperator did u have, and wat was the IMO APPROVEL NUMBER of it.( when i asked him " sir wat

number..??" he said " ur ship was built in 2009 so it should have had a placard hanging on it wit a number starting wit MEPC...)

* wat regulations to be followed on OWS aftewhy refer com[r 2005

* wat all entries u will make in OIL RECORD BOOK, and he asked me to tel with the names with their codes.

fun 4b

* wat all types of L.O u had on board.

* wat is the speciality of the hydraulic oil.

* wat is a breather in the engine and purpose wit few cross questions.

* explain the lubrication system of D.G

* why ME L.O is purified every time and D.G not.

* Wat is Air Cooler and purpose.

fun 6

* why refer compressor is belt driven and air comp. shaft driven

* boiler gauge glass blow through procedure and y should v open water first the steam second while putting back to operation.

* wat is BRENNILING .

* how is the fuel oil sealed between the cap nut and nozzle..( i did not under stand this question well but it was some wat like

this)

* how to start a seawater pump.

* how do u do overhaul valves of air compressor.* wat is rudder drop.

result : 4b

.

I've posted almost 85% of ma questions, wil post the remaining as soon as i remember.. thanks... ALL THE BEST EVERY

ONE

NOTE: MR. ARAVIND CHOUDRI IS REALLY ASKING RELEVANT QUESTIONS AND IS SURELY GIVING A FUNC

TO EVERY ONE ... SO PLEASE PRAY 4 HIM, HOPE U GUYS DON GET UNLUCKY AS I GOT..
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22/29

Rakesh Parthasarathy

28/8/2013 questions, sorry for delaying, by sekar and choudri 6 person sekar 5 persons choudri

1st person

1 how to parallel generators?

2 how to parallel the 3rd generator?

3 before paralleling 3rd generator after starting

3rd generator before touching the synchroscope, what you should check and what you should do?4 steering gear room safeties?

5 steering gear safeties?

6 Table on fire, you have a foam extingusher nearby, what you will do?

6 Tappet clearance how you will take?

7 If push rod is tight when you are having the tapptet clearance?

8 Load line diagram

9 why load line diagram is on both sides of the ship?

( dont tell you will be going port side alongsidde, orstarboard side, it is wrong?)

10 Types of extinguishers used in engine room?

11 what type of ship?for answer dont tell only container ship, you have to tell container ship capacity,

how much containers you are having, how much length you are carrying containers?

12 how will you check phase, frequency and voltage how will you measure phase , frequency and voltage?

2nd person

1 how to start centrifugal pump?

2 why do we close discharge valve and start centrifugal

pumps?

3 generator lub oil consumption increases, why?

4 lub oil in the crankcase reduced in auxillary engine ,

why?

what is the cause?

5 simpson's rule?

expalin completely with diagram?

6 Load line diagram , draw and explain completely?

7 Starting air line explosion?

8 Flame arrestor?

3rd person

vaidilingam - choudry questions

1 Steering gear safety?

2 Maine engine safety

3 Type of ship?

4 crankcase explosion?

5 oil water overboard procedure

6 odm procedure? woring?

7 Water ingress system? exapain in detail? how much people

will work in water ingress system?

8 Space heater? explain completely? without space heater what will happen?

9 compressor?10 Jacket cooling water temperature high, what you will do?

11 what is dewatering system?

12 Maine engine trips and alarm/

13 what is induction motor?

14 principle of induction? draw diagram and explain

15 what is true power?

16 what is real power?
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23/29

17 during manouering, crankcase oil mist detector alarm what you will do?

18 during manouring , crank case explsion, what you will do?

4th person

1 Garbage regulations?

2 frequency meter? how will you adjust?

3 pipe flange? how will you cut a gaket for a piple flange without opening it or dismantling it?

4 cargo hold space, how will you measure?

5 Alternator maintenance?

6 Purpose of dry dock?7 Tappet clearance?

8 how will you check a fuse? using a multimeter?

5th person

1 preferential trip?

2 dark lamp method, bright lamp method, draw diagram and explain?

3 wheat stone bridge, draw diagram and explaing?

4 steering gear safety?

5 battery room safety?

6 main engine safety?

7 cylinder head removal? you have to change new cylinder head ,but the cylinder head to remove is in good condition?

8 2stroke and 4stroke difference?

9 chamber, shear, shear strake, garboard strake?10 GRT, NRT

11 load line diagram

12 Enginer room watch, what you will do?

12 purifir motor working or not, how will you find out it is running?

13 purifier overhaul, what you will do?

14 how will you blowdown boiler?

15 why do you use chemical cleaning for boiler tubes

16 4 stroke eninge- small end bearing, how will you remove

17 2 stroke engine, how will you check the small end bearing?

18 difference between squirel cage motor and induction motor?

6th person

1 what and all checks will be made on a motor?

2 Life boat engine- how will you start?

3 for life boat engine- pre-heat ignition swithc on, after what happens? what you have to do/

4 Life boat launch- what will you do with hydrostatic release?

(the guy told hydrostatic release automatically relae when the ship sinks, butsurveryour told no this is not correct?)

5 centrifugal pump? how will you start?

7th person

1 Engine room watch- how will you take over?

2 diesel engine -fuel injector overhaul? precaution,safeties?

3 Boiler water test?

4 Boiler water test- where you will take- tell the sampling point/5 Boiler water test- when you will take?

6 Safety- tanker why free board is less?

7 Stability

8 what are the new modely of bmw and sulzer?

Anil Kumarso sorry for the delay guys.
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24/29

date: 30/08/13

surv: external- Janaka

func: 3,4b,6...

Fn 3

1.type of ur ship.

2.regulations for chemical tanker in Annex 6

3.what is Pv valve, pv braker and Mast raiser

4.what type of vents use for chemical tanker.

5. draw mast raiser and explain6.explain ISM

Fn 4

1.type of engine

2.what is moment compensator

4.what is starting air valve .where it is fitted. And how it is working.

5.types of lube oil onboard

6.at what pressure cylinder relief valve lift. What was the set pressure on ur engine.

7.what is unloader .explain

Fn 6

1.boiler gauge glass blow through process. Why we open water first in gauge glass and why not steam.2.u are in mid sea and sea water temp. is +3 and u have bring the sea water above 25 what will u do.

That all I remember guys..

Vasudevan MarinerDate:30.08.13

Mr.Choudry sir

Wht is your compny

What is ur ship

What is product tanker

Why tankers has less free board. .

Wat is GRT and NRT

How you lower life boat manually

What is the purpose of dead man handel.

What is scavenging

Scavenge fire.

Safeties on main engine..

*How u will change gravity disc from where u will get correct size..

*Boiler bottom blow down and scum blow down proced..

How u will tke tappet clearence..Why tappet clearence are there if clearence less or more wat will happen..

* why air gap in alternator. .

*how to synchronising two generator.

*how u will come to know that two generators are in same phase..

*how will you change direction of motor..

*what is induction motor..

Got fun 4b.
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25/29

Vishnu BalakrishnanDate:30.8.13

Mr.Choudry sir

what is meant by load line?where it is to be marked in ship?

what are the things written in that?

what are the anti rolling mechansim using in ships?

explain bilge keel and wer it should be ter and length of that?

dichg critera for bilge pumping out?

freebord and free surface effect?why freeboard in less in tanker?

msb safeties

preferential trip

wat are the eqpmnt getting sources from emg switch board

wat are the components are ter in battery circuit

in your watch g/e getting surging wat will be ur action

step down transformer working

induction motor and synchronous motor?

2 stroke engine lubrication details explain fully

fridge compressor components?

before welding wat are the safeties to follow

how u select electrode for ur job

how to take out the bolt if the top of the bolt is completely broken from that flange?

purifier and clarifer diff

Anand Sk

Guys i am posting what ever I remember not function wise

Dt:30/08/13

Internal: Mr.Chaudri .Was not present but gave results at the end

External: Mr. Janaka

1.Stern tube lube oil pressure,grade,operation,number of bronze liners.

2.Air bottle capacity,Will you be able to start M/e if air is at 12 bar

3.Compressor unloader function4.A/e cylinder head overhaul and value lapping how we know that valve is lapped correctly?

5.Types of lube oil and grades

6.Boiler gauge glass blow through

7.Air cooler purpose and calculation of input power of engine

8.Marpol annex 6 regarding cargo vapours

9.Co2 flooding procedure and safety

10.Co2 alarm sound how it is diff from all other alarms-characteristic

11.Centrifugal pump working and starting procedure

12.Orb codes and items entered

13.Bunkering precautions before starting bunkers

14.flammability diagram draw and explain

Thats all guys.All the best .Guys still June official results have not come it seems so the madam there said she cant update the exn-45.

Karthik SPDate 29/08/13

Functions : All

External: Mr.Janaka
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26/29

Started with Ship details,

Static electricity

Length overall

Length between perpendicular (said to draw)

Freeboard, and y tanker has less freeboard

Use of Slop tank

IG, content of Flue gas, O2 level

PV VALVE SET PRESSURE

PV Breaker

Mast riserWorking of COPT

Water hammering, steam hammering

Why boiler water circulating pump kept running always

FWG working

Fixed fire fighting in E/R, In deck

Low, medium and high expansion ratio along with units

How to use portable foam extinguisher, capacity

Boiler platform type of extinguisher

MSB safeties

M/E Turbocharger L/O System

Bunkering procedures

G/E Paralleling

Induction motor

Synchronus motor

Types of motor

Types of pumps

Megger volt, how to take insulation test, continuity test, how to find earth faults

Reciprocating pump advantages

Working of Reciprocating pumps

degrees of freedom.

All the best guys!

Bala Subramanianguys sorry for late update...

Function Apllied For: All

Date:26-08-2013

Internal:Gopi Krishnan Sir,External:Some HIMT C/E(dnt knw his name)

Both were asking together,so i hav mixed their questions

1.Which company,colg,functions applying for?

2.What is VLCC,Elaborate?

3.Major hazards in tankers?

4.Speciality of tankers(i told all the differences)?

5.Constructional difference of tankers(this is what they were expecting)?why tankers have less freeboard?

6.Enclosed space entry(full procedure)?

7.Hazards of enclosed space?

8.Why IG required,how is it obtained onboard?

9.definitions of sheer,camber,sheer strake,tumble home,bilge keel etc.?10.What is ETA,Elaborate?(Location,purpose,how many No.)

11.angle of loll?Why negative GM,how its corrected?

12.Free surface effect,how its corrected?

13.What is Doble Hull,why provided,difference of single hull n double hull?

14.Tender N stiff ship,due to free surface effect,ll it be tender or stiff?

15.Certificates carried onboard?

16.Explain all Annexes in brief and elaborate Annexe VI,New ammendment regarding Annex VI in detail?

17.What arrangement you had in your ship to enter ECA?
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18.Regulation regarding discharge of oil in machinery spaces?

19.ISPS?

guys Gopi krishna ll ask all in detail in this section ,(why,what,how,what yu understand by it)

20.Switchboard safeties?

21.What is earth fault indicator,elaborate it,why provided(how ll yu come to know the fault ,will the lamp glow

continously?),how ll yu rectify an earth fault?

22.How ll yu parallel generators?(what was the voltage of ur incoming gen while paralleling,what do you understand by

phase,how ll yu match the phase?)23.what is reverse power trip,reverse power relay,explain its construction and working?

24.what do you understand by reverse power,why do we need this?

25.what is preferrential trip,how is it activated,explain in detail?

26.Working of synchroscope?

27.Methods of paralleling?

28.Operation of Emergency Switchboard?(from begining how is it started and how power is restored)

29.Safety in Emcy.switchboard?

30.Safeties in Battery Room?

31.What is synchronous motor?

32.What is Asynchronous motor and what is the diff. b/w sync. n asyn. motor?(i explained him the operational diff. n all but he

wants the constructional difference)

33.Working principle of transformer?

34.what is apparent power?(i told all the definition,KW,KVar n all but he screwed me...wants to know what is kw and kvar..wt

do yu understand by that..i told the power generated by generator n supplied to load n all shit...then next he puts the question

what is load?wt do yu understand by that?)

35.Cylinder head mountings?

36.crankcase explosion?

37.scavenge fire n how ll yu come to know(he expects T/C surging)

38.oil mist detector working and maintenance?

39.actions after omd alarm?

40.OWS operation?

41.why centrifugal p/p not provided in ows?

42.FWG operation?(how boiling pt is reduced,reason for less vacuum,ejector inlet and outlet pr. hw much ll it be, what is

salinometer n wen ll it give alarm)

43.what is fuel injection operating pressure of both M/E n A/E?

44.How ll yu dismantle a fuel injector?

45.why stuffing box provided,its location?46.scavenge space inspection?

47.what is butt clearance,axial clearance n why its provided?

48.purifier manual de-sludging?

49.why back-pr valve provided,hw much is meat n fish room temp and how is it maintained?

50.cyl.head De-carb procedure of A/E?

51.What type of steering gear in ur ship?

52.How Rotary vane pump works in detail?

53.What do yu understand by Dry dock?

54.When is a dry dock carried out(in hw many years )?

55.why is dry dock necessary n what are all the works carried out in dry dock?

56.what is jumping clearance?how is taken,why and where?

57.What is trammel gauge?

58.what is proppeller drop?hw,where n why taken?59.what is poker gauge?

60.what is static electricity?(asked in func.3)

Nagamani Suresh Kumar28.8.13

Applied... 3,4b,6

Surveyor.. Choudry
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3

1.simpsons rule..

2.wat al extinguishers r n e/r.

3.how will u operate 45L foam...

4.load line purpose and dig..

5.loadline location...

6.garbage regulation

7.marpol annex's explain

4b1.dg lube oil system

2.starting air line explosion and safeties

3.routine checks to prevent

6

1.dg lube oil consumption s high.. Wat will be d cause

Tats all I remember guys....

Result... Failed

Ranjith SivarajanDate 29/08/13

Functions : allChodary

1. 6 degree of motion

2. Marpol annexes

3. Type f ship

4. New ammenmends in marpol

5. Marpol annex V

6. Metacenter

7. Angle f loll

8. Safeties inM/E

9. Safeties provied in starting airline

10. S/G safeties

11. P/v v/v, p/v breaker, mast-riser12. Explain abt COW

13. Diff b/w 2s & 4S engine

14. How to take tappet clearance

15. Why air gap is provided in Alternator

16. How 440 v is converted to 220v

17. How step down transformer works

18. Safeties in MCB

19. How will you know that purifier attains it RPM

20. When you open feed to purifier, at what Rpm/speed, how vl u find out that it attain the particular rpm

Jeeva Sankarapatham

Orals date: 27.08.13

Function' s applied for:allChoudary was taking orals.

1. 6 degrees of freedom? Explain about the freedom s....

2. what is duct keel?

3.what is bulbous bow? ?Why it is provided. ..

4.About MARPOL.....he asked me about annex 5 and 6... new amendments in annex 5&6?
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