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PlacementWeek Papers Home >> Placementweek >> BEL >> Test Paper :7 This BEL Paper is viewed by 1018 times

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Test Paper :7 Paper Type : Technical - Electronics Test Date : 4 July 2010 Test Location : AIMS college, Bangalore. Posted By : Manasa Aluvala

BEL PAPER ON 4th JULY 2010

Hi friends…

I’ve attended for BEL Probationary Engineer (PE) written test conducted on 4 July 2010 at Bangalore. I am from ECE… Here are few questions which I remembered….

There are total 150 Q’s for 2:30 Hrs…. Each question carries 1 mark and 0.25 will be deducted for a wrong answer…

Technical: 120 Questions...

Aptitude: 30 Questions…

Technical part covers all subjects i.e., EDC, Analog electronics, Digital electronics,

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Microprocessor, analog & digital communications., op-amps, Radars, Signals & systems(Laplace transforms) ,control systems, EMTL, Antennas &microwaves. Few questions are like this…..

1. Forbidden gap of Ge diode is…?

Ans: 0.65V

2. N-Type Semiconductor will be formed by adding which type of impurities?

Ans: Pentavallent impurities.

3. Which of the following are pentavallent impurities?

Ans: Antimony & Arsenic.

4. Find output voltage Vo….?

Ans: Vo= -RC dVi/dt.

5. Circuit of Astable multivibrator is given and asked to find which terminal(s) has to be grounged…?

6. Ohms law……?

Ans: J= σE

7. Angstorm(Å )=……?

Ans: 10^-10m

8. Unit of conductivity…?

Ans: Ω-m.

9. How can an amplifier gives more o/p than i/p, don’t u think its a violation of law conservation of energy…?

Ans: dc supply used for active devices hence law is not violated.

10. A question based on IC-555…?

11. Which junction is formed by recrystallization..?

12. Calculate Doppler Frequency…?

13. By increasing PRF of the Radar, what is effect on error in unambiguous range…?

14. 2 Questions based on Radar Classification..?

15. Which of the following is the analog modulation.?

a)PAM b) Delta c)PCM d)….

16. Which of the following is digital modulation.?

a)PAM b) Delta c)….

17. A FM broadcast station having Frequency deviation of 100MHz, Calculate Modulation Index..?

18. A Question based on the definition of Geo-synchronous orbit..?

19. Howmany number of Geo-synchronous satellites are required to cover entire Globe..?

Ans: 3

20. Calculate cutoff frequency of TE10 mode… wider dimension is given as 2.5cms..?

21. Directivity is same as…..?

a) Same as Directive gain b) greater than directive gain c) smaller than directive gain d)None

22. DB is expessed……

a) Power ratio b)voltage level c) Current level d)None

23. The wave length of a wave travelling in wave guide is

a) less than free space b) more than free space c) equal to free space

24. Which of the following is not an omnidirectional antenna..?

25. Which antenna is used for TV broadcasting..?

Ans: Yagi-uda antenna..

26. The standard time taken to scan one Horizontal line in TV as per FMCC standard..?

Ans: 64µsec.

27. A question based on the TV picture tube…?28. If impedance in delta n/w is purely inductive then impedance in star n/w will be

a) purely capacitive b) purely inductive c) resistive

d) Either capacitive or inductive depends on its magnitudes.

29. what is Laplace transform of integral of f(t)..?

30. Laplace transform of c1f(t)+c2f(t)….?

31. Area under unit impulse signal is…?

Ans: 1

32. The next no’s of (777)8 & (1111)2 are….?

Ans: (1000)8 & (10000)2

33. In floating point representation, 853.29 can be represented as _____?

34. Shifting left and putting a zero in LSB is equivalent to…..?

Ans. multiply by 2.

35. If we require o/p equal to i/p then which flip-flop has to be used .?

a) D-Flipflop b) D-Latch c)…

36. Which of the following gate is used for making inverter..?

Ans: NAND gate

37. In which technology the no. of gates are more than 12…?

Ans: MSI.

37. For an n-bit microprocessor the value of n is based on…?

a) Address bus b) Internal data bus c) External data bus d) None.

38. Address bus length of 80286 microprocessor is…?

39. One more question based on microprocessor…

40. Minimum RAM memory required in windows-95.?41. which operating system is prefer for Servers…?a). Windows 98 b). Windows NT

42. A question on Logic Gate families…?

Amp

43. It is a

o/p

a). Feedback Network b). Oscillator C)………

44. A Qstn on Rise Time from Control systems…

45. A Qstn based on stability from control systems..

46. In a feedback system the error signal is….?

Ans: a)r+s b) r-s c) r±s d) None

47. Group velocity of a wave

48. Which of the mode the wave propagates in the Free Space………..?

49. In which amplifier current flows for less than half cycle…?

a)class-A b) class-B c)class-AB d) class-C

50. 1Qstn based on Routh Hurwitz criterian..?

Coming to Aptitude part….

1. A passage was given n 5 Q’s based on that….2. 3 Q’s from idioms & phrases….3. Fill in the blanks….4. 5 simple Q’s on a puzzle….5. 10 Q’s on data interpretation…6. 5 qstns from secrecies (Four rules were given and asked find which series follows which rule....)

A thorough preparation of our core subjects (mainly basics & numerical) will help you to solve it to the maximum with in time… It just needs practice… Prepare well for the exam….

“Mind should be like Parachute as it works well when it opens”

“What lies behind us and what lies before us are tiny matters compared to what lies within us.”

I Wish U All The Best, Just Do Believe In Yourself, Success Will Be Yours…

By,

Manasa

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Test Paper :8 Paper Type : Technical - Electronics Test Date : 4 July 2010 Posted By : PRASADhii i wrote the exam 2day morning paper consists of 150 marks =120 technical +30 non technical120 marks : (subjects)

1) RADAR ENGINEERING BASICSquestions: whole radar applications like FM-CW radar ,monopole radar, tracking radar

2)ANALOG ELECTRONICS questions on :.. transfer function of integrator ckt using op-amp..astable multivibrator ..

3)COMPUTER ENGINEERING

4)ANTENNAS

5)ELECTRONIC MEASUREMENTS

6)NETWORKS

7)CONTROL ENGINEERING

8) LOGIC FAMILES IN DIGITAL ELECTRONICS

9)MICROWAVE ENGINEERING

10) electronics devices ...





.. nothing to prepare on problematic it is easy to study the summery behind every chapter. must concentrate on communication ,radar ,antenna subjects thoroughly with simple points & applications of all the antennas and radars

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Test Paper :2 Paper Type : Technical - Electronics Test Location : jntu hyd Posted By : sravan kumartest was for 1hour paper consists of 50 ques..purely technical paper.afteer written exam interview.nly two rounds............

here i will give you some ques which i got...

qn on sampling theoram,em wave polarization,microwave devices many ques were asked from these twt,magnetron, etc from digital fpga,flipflop,,ttl,2-complement ,basics,adders etcfrom communications fm,tuned amplifier,,bw of fm,am,power of am,parity checking,error codes,pcm,if reciever,crystall oscillatoer,,broadcast of fm freq range

prepare well abt radars ,antennas many ques were asked like prf,scannigradarwave guides from em theory

from microprocessor also many ques related to simple basics...hope this paper helps




Test Paper :4 Paper Type : Whole Testpaper Test Date : 24 February 2008 Test Location : Robert Bosch Engineering & Business Ltd Coimbatore Posted By : Devendra.S.Kolur

ROBERT BOSCH PAPER ON 24th FEBRUARY 2008

hai, I am Devendra.s.kolkur(PDA COLLEGE OF ENGINEERING GULBARGA, KARNATAKA). here I am submitting ROBERT BOSCH question paper. I am from EIE background. There will be separate papers for ELECTRONICS students and COMPUTER students.

Friend prepare well all the topics which the is covered since the tech paper is having all the

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topicsWhich are related to Our engineering sudcts likeBASIC ELECTRONICS , NT,CONTROL SYSTEMS, ELETRICAL MACHINES, DIGITAL ELECTRONICS, APTITUDE, & GEN PHYSICS & GEN ENGLISH, C QUES PLAY KEY ROLE C & aptitude is very easyQuestions ; 60 Duration : 1 h This paper is for EEE,ECE,EIE

Friendas just reffer the previous question papers that is more than enough..... in this written test negative marks is there correct answer carries 2 mrks. and wrong answer carry -1 mraks so be carefully answer.

SECTION 1(TECHNICAL)1. A 16 bit monosample is used for digitization of voice. If 8 kHz is the sampling rate then the rate at which bit is transferred isa) 128 b) 48 c) d)

1. There was a figure of JK flip flop in which ~q is connected to J input and K=1. If clock signal is successively applied 6 times what is output sequence (q=?)d) 010101 2. The relationship b/w Gain & Bandwidth?a) Independent of each otherb) Gain decreases as bandwidth decreasesc) Gain increases as bandwidth increases till some extent after which stability decreases 3. In “ON CHIP” decoding memory can be decoded toa) 2^n b)2^n +1 c)2^n -1 d) some other choice Ans: a

4. Half of address 0Xffffffff isa) 77777777 b) 80000000 c) 7FFFFFFF d) some other choice

5. For a 4 bit succe D/A with 16v o/p the resolution is a)10v b)1v c)1.6v d)16v Ans : b 6. A 20kva transformer at full load conditions have the coreless & cu loss are 250w&300w,To get max efficiency what will be the total loss in tr in wa) 550 b) 500 c) 600 d) Data insufficient Ans : b 7. There was a circuit consisting of AC voltage source and one inductance. Inductance value=0.2mH AC voltage =150 sin (1000t).what is the current flowing in the circuit?a) b) c ) d)

8. Power gain of an amplifier having i/p gain of 20W and output gain of 20mW isa) 60 b) 25 c) 10 d) 0

9. There was a RC circuit given with AC voltage source. Expression for capacitance was asked for charging condition. Choices were somewhat like this: a) some value multiplied by exp (-t/T)ans --c i= (Vs/R)exp(-t/ T) 10.SCR s are connected in series to get a) high current rating b) voltage regulation c) high v rating d)some other Ans: c 11. Which one of the following is used for high speed power application?a) BJT b) MOSFET c) IGBT d) TRIAC 12. One question related with SCR timing dia

13. SCR is used fora) To achieve optimum (or maximum ...not sure) dv/dtb) For high current ratingsc) To achieve high voltaged) Some other choice 14. State in which o/p collector current of transistor remains constant in spite of increase in base current isa) Q point b) Saturation c) Cut off 15. what is the resonant frequency of parrel RLC circuit of R= 4.7 komh L= 2 micro Henry and c=30pf.a). 20.5 MHzb). 2.65 KHzc). 20.5 KHzd). none

16.for the parallel circuit (one figure is given) Is= 10mA. R1= 2R, R2=3R, R3= 4R. R is artritarya). 3.076mAb). 3.76mA 17 . Two ques on control sys like the sys will be stable when the roots are a) real & +ve b) real & -ve c) d)

20 The ques on Niquest plot

21 0ne ques on root locus

22. One more question related with ADC like voltage is 8 volts. freqency 2 Mega hz. what is the converssion rate

23. Question related with serial in parallel out shift register…What is output sequence?

Ans..... 1010

24. Given one RLC circuit in which values of R, L and C were given. What is the value of frequency f?

25. #define A 10+10main ()int a;a=A*A;printf (“%d”, a);a) 100 b) 200 c) 120 d) 400

ans : c

26. main()int n=0;while(n>32767)pf(“%d”,n);n++

ans ; indefinite loop here ihe loop will continue again & again ie after 32767 the go to -32768

27. if (fun ())X++;X gets incremented if and only ifa) fun () returns 0b) fun () return 1c) fun () return -1d) return a value other than 0 ans ; d

28. In dynamic memorya) Power dissipation is less than that of static memoryb) Clock is neededc) Refreshing is requiredd) All the above 29. Short, int and long integers have how many bytes?a)2,2,4 b) Machine dependant c)2,4,8 d) Some other choice ans : b

30. A (n) is -----------filter combination of

a) Passive b) Active c) AMPLIFIER d) BOOSTER 31. according to ohms law the current density is proportional toa) current b) di/ds c) applied emf d)

32 Two more ques on gravity ie body is projected then find the time of fall and some physics ques

33. Structure comparison is donea). yesb) noc) compiler dependentd) 34. The system in which communication occurs in both ways but not simultaneously in both ways isa) Half simplex b) Simplex c) Half duplex d) duplex 35. main ()int a=5, b=6;int i=0;i=a>b? a:b;printf (“%d”, i);a) 0 b) 1 c) 6 d)5

36. int fun (char c)int i;static int y ;a) c, i are stored in stack and y stored in data segmentb)c stored in stack and i,y are stored in data segmentc) c is stored in text segment, y in data and i in stack 37. how would you insert pre-written code into a current program?a) #readb) #getc) #included) #pre ans: c

38.structure may containa) any other structureb) any other structure expect themselvesc) any other structure except themselves and pointed to themselves

d) none of the above

39 One ques from pointer declaration

Section II40 If a>4,b<-1 then which of the following is truea)2a+b<0 b) 4a<3b c) a>4b d) some oth

41 In a class out of 150 studs participated in various games foot ball ,basket ball, cricket are 120, 130,135 respecly and 5 stud are not playing any one of then then find the least no of studs which are are playing all the games

a)110 b)100 c) 96 Ans a

42. 20 men can do a work in c/2 days & 30 women can do the same work in c/3 days then how many days will take to complete the work when 20 men &30wmen work togethera)5c/6 b)c/6 c) 6c/5

43. find the lateral surface of a cone with diameter of base 12feet . and the latent height is 24feeta) 1320square f.b) 260 square f.c) 96 square f.d) none ans : c

44. Ann is shorter than Jill and Jill is taller than Tom. Which of the following inferences are truea) Ann is taller than Tom b) c) d) Data insufficient ans : d 45. Sum of squares of two numbers is 404 and sum of two numbers is 22.Then product of two Numbers?a) 20 b) 40 c) d) (Answer is 40. Two numbers are 20 and 2) 46). (10 | 7) would producea). 17b). 3c). 11d). 15

ENGLISH sectionRemaining r English ques Which contain Correction of sentence , Synonyms & one puzzle which is very lengthyFinally I clear the written test after the written 2 technical intervuew... I clear the first technical and out in 2nd tech.total appearance test :230clear the test :21

first tech clear :8than I dont know..... iam out in 2nd round

BOSCH ratio is 10:1 so prepare well in Technical mainly concentrate to your academic project

Iam 2007 fresher from PDACE Gulbarga,Karnataka

Now Iam currently working in GE HEALTHCARE (GENERAL ELECTRICAL )

And I feel toughBEST OF LUCK

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Robert Bosch Test Paper: 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | >>

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Home >> Placementweek >> Robert Bosch >> Test Paper :5 This Robert Bosch Paper is viewed by 18587 times

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Test Paper :5

Paper Type : Whole Testpaper

Test Date : 14 November 2006

Test Location : Robert Bosch India, Hosur Road

Posted By : Hare Rama Krishna . V

ROBERT BOSCH PAPER ON 14th NOVEMBER

Hi...All I am Hari.I am a mechanical graduate, 2006 fresher. I have attended ‘Robert Bosch’ written test on 14 th November .I have applied only thru the link given in our website. Only 60 to 70 people (mechanical) were allowed to write the test who came with call letters. Only one mechanical paper of Bosch is available in our site. So I am sending this paper. This pattern is for mechanical students.

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TOTAL DURATION OF TEST IS 90 min & “NEGETIVE MARKING IS THERE.” SECTION 1. Total 50 questions correct Answer +2 marks , wrong answer -1 mark. Out of 50 ques…..40 from engineering and 10 from aptitude.SECTION 2. Total 25 questions on English. Paper is as follows…. SECTION 1: 1.Two force acting along the same line but in the opposite directions. they r called a) Concurrent b) coplanar c) collinear d) non concurrent (c)

2. Two basic systems of forces (c) a) Coplanar, concurrent b)non concurrent, concurrent c) Coplanar, non coplanar d)concurrent , non coplanar 3. Formula for power in HP 4. Forces lying in the same plane but never met (b) a) concurrent b)parallel c) d) 5. Ger ratio for helical gears one of 30 tooth and the other 60 tooth a)800:1 b)2:1 6. Four rectangle strips of size 10 X 1 inch r placed on a table as shown in the figure.what is the area covered on the table. (a)

a)36 b)40 c)1600 d)80

7. If u traveled 45 min at 4 miles per hr and 30 min at 3 miles per hr. what is the distance covered by u in 1 hr and 15 min. (b) a) 8 miles b)6 miles c)7miles d)10 8. A ball of weight 10N is dropped freely from rest at a height of 4 mts.what is its total mechanical energy after it has traveled 1 meter. 9. Two bodies of same mass r traveling at a velocity of 2 m/sec in opposite direction. After collision one travelled with 1.8 m/sec what abt the other.. a) equal to 1.8 m/sec b)more than 1.8 c) Less then 1.8 d) can not say 10. If X-component of a force is –Ve and Y-component is +Ve, in which plane the Resultant would be (a) check it a) First quadrant b) second c) third d) fourth 11. A body is said 2 b in equilibrium (c)

a) if it is in rest b)if it is I uniform velocity c) if the sum of the forces acting on it is zero d)none 12. X15-X13+ X11-X9+X7-X5+X3-X=7 than value of X16 ?

13. a chain of leanth 1 mt and mass 1 kg is placed on a table.What leanth of the chain must be hanged freely from the table so that is will drag the remaining chein freely (d) a).55 b).66 c) 0.5 d).75 14. Main purpose of governer (d) a) to live happy life b) to increase engine speed c) to decrease engine speed d)to run engine smoothly 15.A steel beam of mass m and length l is placed on a surface.a couple u is applied at the ends to rotate the beam at 90 0 . what is the work done. 16.A & B r two weight lifters .A can lift 100 pounds 10 times a minute, where as b lifts 100 pounds 10 times a sec.who is doing more power and work. (c) a)A&B b)A omly c) B only d) none. 17.A ship is 77 Km away from the shore.It had a leak due to ehich water is flowing into the ship @ 1 ton /min .A pump is used to pump the water out of the ship @ 30 ton/ hr The ship sinks if the water Qty reaches 210 ton.what should b the speed of the ship to reach the shore b4 it sinks. (11) a)7 mph b)11mph c)15 d)20 18. Very simple ..que..find the hypotenuse … 1) Sides 8, 11, find hyp 2) a similar one..to find side.. 19. Which is the largest side in a right angled triangle a) hypotenuse b)edgescent side c)opposite side 20. The angle of depression from the top a building to another building is 120 .the distance b/n the two is 50 mts.What is the difference in the height of buildings. (a) a) 10.6 b)20.3 c)10.4 d)48.9 21. Simplyfy [ 3v--- 27 - v—(27/4)]2 22. Belt drives r mainly used for (d) a)to reverse the direction of power in belts. b)to transmit it power. c)to …..d) all 23. BS thread profile has a)141/2 0 b)450 c)250 d) 90 0 24. The main purpose of bearings (b) a)to reduse noise. b)to reduce friction c) d) 25.When compared to spur gears bevel gears r more .. (a) a) noisy b)smooth 26. The angle b/n bore axis of gear and the tangent to the teeth profile is called (b) a)P.A b) helix c) 27. The circle touching the outer edge of the teeth is called (c) a) Base circle..b) pitch crcl c) addendum crcl d)…. 28. The area of the piston A is 10 cm2 and that of B is 4 cm 2 .If 10n load is applied on the piston A what is the force on the piston B. (c) a)100N b)40N c)10N d)none 29. The force exerted by a spring depends on (d)

a)Material of the spring b)Design of the spring c)Length of the spring d)all 30. If a body is isolate from it’s mating parts and all forces acting on it r shown then it is called. (c) a)BM diagram b) SF diagram c)free body diagram d)none 31. A coin and a ring of same mass and diameter r allowed to roll smoothly from the top of a inclined plane. which one reaches the bottom first. a)coin b) ring c)both reaches same time d) none 32. A ball is thrown horizontally .After hitting the ground it again raises with some velocity.this is bcoz.. (b) a)ball is stil having velocity b)it gains momentum from the ground. c) d) 33. a problem on balancing masses.. 34. a mass is rotating..with rad /sec..simple problem …on basics.. 35 given 0<a<b<c (c)</a<b<c a)c+d/ a+b b)c+a/b+d c)a+b/ c+d d)…. 36 to 50 sorry..i forgot…. SECTION 2: 51 TO Passage with blanks.. 55 56 to antother passage with blanks.. 60 61 to 65 proverbs.. 1. don’t look a gifted horse.. a)at b)in life…. c) in dreams d) 2. more hands………. a) make more work easy b)more light work c) d) 3. people living in glass houses…… a)may not throw stones b)didn’t throw stones c) cannot throw stones d)should not throw stones 4. 5. 65 to 75 appropriate meaning 1. Go for …………. (a) a) try b)get it c)quit d) 2. Go overboard…………….. (a) a)exaggerated b)exagerate c) exagratred d) none. 3.Go bad ……….. a)….. b)bad c)not good d) none 4. go wrong ……….. (b) a)fail b) mistake c) d) 5.meaning of batten ….. (a) a) noun :a long wood of metal strip b)………. c)………d)…….

That all guys….i changed some options..and also check the answers..i am waiting for the results…hope for my good results.. All the best…. Ur ’s……….. Hare Rama Krishna . V

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Test Paper :5


Test Date : 14 November 2006

Test Location : Robert Bosch India, Hosur Road

Posted By : Hare Rama Krishna . V

ROBERT BOSCH PAPER ON 14th NOVEMBER



















Hi...All I am Hari.I am a mechanical graduate, 2006 fresher. I have attended ‘Robert Bosch’ written test on 14 th November .I have applied only thru the link given in our website. Only 60 to 70 people (mechanical) were allowed to write the test who came with call letters. Only one mechanical paper of Bosch is available in our site. So I am sending this paper. This pattern is for mechanical students. TOTAL DURATION OF TEST IS 90 min & “NEGETIVE MARKING IS THERE.” SECTION 1. Total 50 questions correct Answer +2 marks , wrong answer -1 mark. Out of 50 ques…..40 from engineering and 10 from aptitude.SECTION 2. Total 25 questions on English. Paper is as follows…. SECTION 1: 1.Two force acting along the same line but in the opposite directions. they r called a) Concurrent b) coplanar c) collinear d) non concurrent (c)

2. Two basic systems of forces (c) a) Coplanar, concurrent b)non concurrent, concurrent c) Coplanar, non coplanar d)concurrent , non coplanar 3. Formula for power in HP 4. Forces lying in the same plane but never met (b) a) concurrent b)parallel c) d) 5. Ger ratio for helical gears one of 30 tooth and the other 60 tooth a)800:1 b)2:1 6. Four rectangle strips of size 10 X 1 inch r placed on a table as shown in the figure.what is the area covered on the table. (a)

a)36 b)40 c)1600 d)80

7. If u traveled 45 min at 4 miles per hr and 30 min at 3 miles per hr. what is the distance covered by u in 1 hr and 15 min. (b) a) 8 miles b)6 miles c)7miles d)10 8. A ball of weight 10N is dropped freely from rest at a height of 4 mts.what is its total mechanical energy after it has traveled 1 meter. 9. Two bodies of same mass r traveling at a velocity of 2 m/sec in opposite direction. After collision one travelled with 1.8 m/sec what abt the other..

a) equal to 1.8 m/sec b)more than 1.8 c) Less then 1.8 d) can not say 10. If X-component of a force is –Ve and Y-component is +Ve, in which plane the Resultant would be (a) check it a) First quadrant b) second c) third d) fourth 11. A body is said 2 b in equilibrium (c) a) if it is in rest b)if it is I uniform velocity c) if the sum of the forces acting on it is zero d)none 12. X15-X13+ X11-X9+X7-X5+X3-X=7 than value of X16 ?

13. a chain of leanth 1 mt and mass 1 kg is placed on a table.What leanth of the chain must be hanged freely from the table so that is will drag the remaining chein freely (d) a).55 b).66 c) 0.5 d).75 14. Main purpose of governer (d) a) to live happy life b) to increase engine speed c) to decrease engine speed d)to run engine smoothly 15.A steel beam of mass m and length l is placed on a surface.a couple u is applied at the ends to rotate the beam at 90 0 . what is the work done. 16.A & B r two weight lifters .A can lift 100 pounds 10 times a minute, where as b lifts 100 pounds 10 times a sec.who is doing more power and work. (c) a)A&B b)A omly c) B only d) none. 17.A ship is 77 Km away from the shore.It had a leak due to ehich water is flowing into the ship @ 1 ton /min .A pump is used to pump the water out of the ship @ 30 ton/ hr The ship sinks if the water Qty reaches 210 ton.what should b the speed of the ship to reach the shore b4 it sinks. (11) a)7 mph b)11mph c)15 d)20 18. Very simple ..que..find the hypotenuse … 1) Sides 8, 11, find hyp 2) a similar one..to find side.. 19. Which is the largest side in a right angled triangle a) hypotenuse b)edgescent side c)opposite side 20. The angle of depression from the top a building to another building is 120 .the distance b/n the two is 50 mts.What is the difference in the height of buildings. (a) a) 10.6 b)20.3 c)10.4 d)48.9 21. Simplyfy [ 3v--- 27 - v—(27/4)]2 22. Belt drives r mainly used for (d) a)to reverse the direction of power in belts. b)to transmit it power. c)to …..d) all 23. BS thread profile has a)141/2 0 b)450 c)250 d) 90 0 24. The main purpose of bearings (b) a)to reduse noise. b)to reduce friction c) d) 25.When compared to spur gears bevel gears r more .. (a) a) noisy b)smooth 26. The angle b/n bore axis of gear and the tangent to the teeth profile is called (b) a)P.A b) helix c)

27. The circle touching the outer edge of the teeth is called (c) a) Base circle..b) pitch crcl c) addendum crcl d)…. 28. The area of the piston A is 10 cm2 and that of B is 4 cm 2 .If 10n load is applied on the piston A what is the force on the piston B. (c) a)100N b)40N c)10N d)none 29. The force exerted by a spring depends on (d) a)Material of the spring b)Design of the spring c)Length of the spring d)all 30. If a body is isolate from it’s mating parts and all forces acting on it r shown then it is called. (c) a)BM diagram b) SF diagram c)free body diagram d)none 31. A coin and a ring of same mass and diameter r allowed to roll smoothly from the top of a inclined plane. which one reaches the bottom first. a)coin b) ring c)both reaches same time d) none 32. A ball is thrown horizontally .After hitting the ground it again raises with some velocity.this is bcoz.. (b) a)ball is stil having velocity b)it gains momentum from the ground. c) d) 33. a problem on balancing masses.. 34. a mass is rotating..with rad /sec..simple problem …on basics.. 35 given 0<a<b<c (c)</a<b<c a)c+d/ a+b b)c+a/b+d c)a+b/ c+d d)…. 36 to 50 sorry..i forgot…. SECTION 2: 51 TO Passage with blanks.. 55 56 to antother passage with blanks.. 60 61 to 65 proverbs.. 1. don’t look a gifted horse.. a)at b)in life…. c) in dreams d) 2. more hands………. a) make more work easy b)more light work c) d) 3. people living in glass houses…… a)may not throw stones b)didn’t throw stones c) cannot throw stones d)should not throw stones 4. 5. 65 to 75 appropriate meaning 1. Go for …………. (a) a) try b)get it c)quit d) 2. Go overboard…………….. (a) a)exaggerated b)exagerate c) exagratred d) none. 3.Go bad ……….. a)….. b)bad c)not good d) none

4. go wrong ……….. (b) a)fail b) mistake c) d) 5.meaning of batten ….. (a) a) noun :a long wood of metal strip b)………. c)………d)……. That all guys….i changed some options..and also check the answers..i am waiting for the results…hope for my good results.. All the best…. Ur ’s……….. Hare Rama Krishna . V

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Test Paper :6


Test Date : 23 September 2006

Test Location : Bangalore



















Posted By : Varun

ROBERT BOSCH PLACEMENT PAPER ON 23rd SEPTEMBER 2006 AT BANGALORE

Position: Associate Software EngineerEligible: Above 70%Branches allowed: ECE, EEE, IT (Instrumentation)Venue: Bangalore (Hosur Road, Koramangala)Test Duration: 1 hour 30 minutesTest Pattern: 2 sections namely

a) Technical(45 questions)b) General Aptitude(35 questions)

Hi friends,

Technical section mainly comprises of questions from BASIC ELECTRONICS and CWhat I suggest you is go through BASIC ELECTRONICS once (There is text book available

for 1st /2nd semester students studying under VTU syllabus).You will come to know about type of questions appearing by looking at following questions.

SECTION 1(TECHNICAL)

1. There was a figure of JK flip flop in which ~q is connected to J input and K=1. If

clock signal is successively applied 6 times what is output sequence (q=?)a) 101010 b) c) and d) some other 6 digit sequences 2. Frequency response of a filter is

a) Range of frequencies at which amplification of signal is employed.b) Output voltage versus frequency (plot)c) Filter which suppresses particular frequencyd) Some other choice

3. Gain and bandwidth of an op amp isa) Independent of each otherb) Gain decreases as bandwidth decreasesc) Gain increases as bandwidth increases till some extent after which stability decreasesd) Some other choice

.4. There was a figure of 4:1 MUX in which A and B are select lines. Inputs S0 and S1 are connected together and labeled as C where as S2 and S3 are connected together and labeled as D.Then which of the following is true?

a) Y=B+C b) Y=A+B

c) Y=A+B d) Y=C+D (Where Y is the output)

5. In step up transformer (or Step down… not sure) transformation ratio is 1:5. If the impedance of secondary winding is 16 ohm then what is the impedance of primary winding?

a) 80 b) 3.2 c) and d) some other choice

6. There was a circuit consisting of AC voltage source and one inductance. Inductance value=0.2mH (or 0.2uH or 0.2H not sure).AC voltage =150 sin (1000t).what is the current flowing in the circuit?

a) i= 7.5 sin (1000t) b) i= -7.5 sin (1000t) c) i= 7.5 cos (1000t) d) i= -7.5 cos (1000t)

7. Power gain of an amplifier having i/p gain of 20W and output gain of 20mW is

a) 60 b) 25 c) 10 d) some other choice

8. There was a RC circuit given with AC voltage source.Expresssion for capacitance was asked for charging condition.

Choices were somewhat like this: a) some value multiplied by exp (-t/T)c) some value multiplied by 1- exp (-t/T)

9. 2’s complement of -17 10. Instrumentation amplifier is used for--------------------? 11. In “ON CHIP” decoding memory can be decoded to a) 2^n b)2^n +1 c)2^n -1 d) some other choice 12. Half of address 0Xffffffff is a) 77777777 b) 80000000 c) 7FFFFFFF d) some other choice 13. Which one of the following is used for high speed power application? a) BJT b) MOSFET c) IGBT d) TRIAC 14. One question related with SCR rotation angle 15. SCR is used for a) To achieve optimum (or maximum ...not sure) dv/dt b) For high current ratings c) To achieve high voltage d) Some other choice

16. State in which o/p collector current of transistor remains constant in spite of increase

in base current is a) Q point b) Saturation c) Cut off 17. 16 bit monosample is used for digitization of voice. If 8 kHz is the sampling rate then

the rate atwhich bit is transferred is a) 128 b) 48 c) d)

18. To use variable as recursive, variable should be used as a) Static b) Global c) Global static d) Automatic 19. Question related with successive approximation ADC 20. Question related with resolution of DAC 21. main ()int a=0x1234;a=a<<12;a=a>>12;printf (“%x”, a);What is the output? a)1000 b) 2000 c) d) None of these 22. What does (*fun () []) (int) indicate? a) pointer to an array of 4 integer functions b) c) d) 23. #define A 10+10main ()int a;a=A*A;printf (“%d”, a);a) 100 b) 200 c) 110 d) 40024. One more question related with ADC 25. Question related with serial in parallel out shift register…What is output sequence?(This was question appeared in GATE exam…So go through GATE BOOK)Answer for this might be 1010

26. Given one RLC circuit in which values of R, L and C were given. What is the value of frequency f? 27. if (fun ())X++;X gets incremented if and only ifa) Value of fun () is 1b) Value of fun () is any value other than 0c) Value of fun () is greater than 1d) Some other choice 28. In dynamic memory a) Power dissipation is less than that of static memory b) Clock is needed c) Refreshing is required d) All the above 29. Short, int and long integers have how many bytes? a)2,2,4 b)Machine dependant c)2,4,8 d)Some other choice 30. A (n) is -----------filter combination of a) Active b) Passive c) d) 31. Mobility of electron is a) Increases as temperature increases b) Decreases as temp decreases c) Independent of conductivity d) Some other choice 32. Structure comparison is done a) Automatically b)structcmp is used c) No automatic function exists d) Some other choice. 33. The system in which communication occurs in both ways but not simultaneously in both ways is a) Half simplex b) Simplex c) Half duplex d) duplex 34. main ()int a=5, b=6;int i=0;i=a>b? 1:0;

printf (“%d”, i);a) 0 b) 1 c) d)(Note: The output is 0 in this case. If ‘a’ is greater than ‘b’ (For ex: a=5 and b=4, then o/p is 1) 35. int fun (char c)int i;static int y ;a) c, i are stored in stack and y stored in data segmentb)c stored in stack and i,y are stored in data segmentc) c is stored in text segment, y in data and i in stack 36.main ()int *p;short int i;

p= (char *) malloc (i*10); (code was showing error here)p+=10;printf (“%d”, p);Value of p?a) b) c) d)(Note: When I checked this code at home it was giving error as “Cannot convert char * to int *I have modified coding as p= (int *) malloc (i *10), Then I got o/p “p=1496”) 37. main ()int *p,i[2]=1,2,3;(Note: Some values were given )p=i;printf (“%d %d %d”, i [0],*p,*p+1);a) b) c) d) SECTION 2(APTITUDE) 1. Given 0<a<b<c<="" p=""></a<b<c a) (a+b)/(c+d) b) (b+c)/ (a+d) c) (c+d)/ (a+b) d) (a+c)/ (b+d) 2. A and B starts moving from points X and Y simultaneously at a speed of 5kmph and 7kmph to a destination point which is of 22km from points X and Y. B reaches Y earlier than A and immediately turns back and met Z. Find the distance XZ.

3. Area of lateral surface of a cone given height and radius. 4. Ann is shorter than Jill and Jill is taller than Tom. Which of the following inferences are true? a) Ann is taller than Tom b) c) d) Data insufficient 5. A and B starts from same point at opposite direction. They will move 6km and take 8km left. How Far is A and B from each other? 6.6440(Not sure of this number) soldiers are to be arranged in the shape of square. If 40 soldiers were kept out then the number of soldiers making each straight line is? (Question was like this somewhat) 7. If x>5 and y<-1 then which of the following is true? a) b) c) d) (Choices were some mathematical expression) 8. Sum of squares of two numbers is 404 and sum of two numbers is 22.Then product of two Numbers? a) 20 b) 40 c) d) (Answer is 40. Two numbers are 20 and 2) 9. In an examination 4 marks are assigned for correct answer and 1 mark is deducted for wrong answer. However one student attempted all 60 questions and scored 130.Number of questions he attempted correct is? a) 35 b) 42 c) d) 10. Each ruby is of 0.3 kg and diamond is of 0.4 kg.Ruby costs 400 crores and diamond costs 500 crores.Ruby and diamonds have to be put into a bag. Bag cannot contain more than 12 kg.Which of the following gives maximum profit (or in terms of wealth) (In crores) a) b) c) d) Finally there were 10 (or 15) questions of English section (Which was included in aptitude section itself).Pattern of English section was like1. Correcting the sentences2. Given one passage. We are supposed to answer the questions given on the passage3. Nearest meaning of highlighted word...

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Test Paper :7


Test Date : 24 June 2007

Test Location : 123, Robert Bosch, Bangalore

Posted By : Naresh Gurram

ROBERT BOSCH PAPER ON 24th JUNE, 2007 AT BANGALORE

hai, I am Naresh Gurram(SBIT). here I am submitting ROBERT BOSCH question paper. I am from EEE background. There will be separate papers for ELECTRONICS students and COMPUTER students.

Friend prepare well all the topics which the is covered since the tech paper is having all the topics Which are related to Our engineering sudcts likeBASIC ELECTRONICS ,



















NT,CONTROL SYSTEMS, ELETRICAL MACHINES, DIGITAL ELECTRONICS, APTITUDE, & GEN PHYSICS & GEN ENGLISH, C QUES PLAY KEY ROLE C & aptitude is very easy For ‘C’ go through Seventh Kanithkar Questions ; 60 Duration : 1 h This paper is for EEE,ECE,EIE &IT

SECTION 1(TECHNICAL) 1. A 16 bit monosample is used for digitization of voice. If 8 kHz is the sampling rate then the rate at which bit is transferred is a) 128 b) 48 c) d)

1. There was a figure of JK flip flop in which ~q is connected to J input and K=1. If clock signal is successively applied 6 times what is output sequence (q=?) d) 010101 2. The relationship b/w Gain & Bandwidth? a) Independent of each other b) Gain decreases as bandwidth decreases c) Gain increases as bandwidth increases till some extent after which stability decreases 3. In “ON CHIP” decoding memory can be decoded to a) 2^n b)2^n +1 c)2^n -1 d) some other choice Ans: a

4. Half of address 0Xffffffff is a) 77777777 b) 80000000 c) 7FFFFFFF d) some other choice 5. For a 4 bit succe D/A with 16v o/p the resolution is a)10v b)1v c)1.6v d)16v Ans : b 6. A 20kva transformer at full load conditions have the coreless & cu loss are 250w&300w,To get max efficiency what will be the total loss in tr in w a) 550 b) 500 c) 600 d) Data insufficient Ans : b 7. There was a circuit consisting of AC voltage source and one inductance. Inductance value=0.2mH AC voltage =150 sin (1000t).what is the current flowing in the circuit? a) b) c ) d) 8. Power gain of an amplifier having i/p gain of 20W and output gain of 20mW is a) 60 b) 25 c) 10 d) 0 9. There was a RC circuit given with AC voltage source. Expression for capacitance was asked for charging condition. Choices were somewhat like this: a) some value multiplied by exp (-t/T) ans --c i= (Vs/R)exp(-t/ T) 10.SCR s are connected in series to get

a) high current rating b) voltage regulation c) high v rating d)some other Ans: c 11. Which one of the following is used for high speed power application? a) BJT b) MOSFET c) IGBT d) TRIAC 12. One question related with SCR timing dia 13. SCR is used for a) To achieve optimum (or maximum ...not sure) dv/dt b) For high current ratings c) To achieve high voltage d) Some other choice 14. State in which o/p collector current of transistor remains constant in spite of increase in base current is a) Q point b) Saturation c) Cut off

15. what is the resonant frequency of parrel RLC circuit of R= 4.7 komh L= 2 micro Henry and c=30pf. a). 20.5 MHz b). 2.65 KHz c). 20.5 KHz d). none

16.for the parallel circuit (one figure is given) Is= 10mA. R1= 2R, R2=3R, R3= 4R. R is artritary a). 3.076mA b). 3.76mA 17 . Two ques on control sys like the sys will be stable when the roots are a) real & +ve b) real & -ve c) d)

20 The ques on Niquest plot21 0ne ques on root locus22. One more question related with ADC like voltage is 8 volts. freqency 2 Mega hz. what is the converssion rate 23. Question related with serial in parallel out shift register…What is output sequence? Ans..... 101024. Given one RLC circuit in which values of R, L and C were given. What is the value of frequency f?25. #define A 10+10 main () int a; a=A*A; printf (“%d”, a);

a) 100 b) 200 c) 120 d) 400

ans : c

26. main()int n=0;while(n>32767)pf(“%d”,n);n++

ans ; indefinite loop here ihe loop will continue again & again ie after 32767 the go to -32768

27. if (fun ()) X++; X gets incremented if and only if a) fun () returns 0 b) fun () return 1 c) fun () return -1 d) return a value other than 0 ans ; d28. In dynamic memory a) Power dissipation is less than that of static memory b) Clock is needed c) Refreshing is required d) All the above 29. Short, int and long integers have how many bytes? a)2,2,4 b) Machine dependant c)2,4,8 d) Some other choice ans : b30. A (n) is -----------filter combination of a) Passive b) Active c) AMPLIFIER d) BOOSTER 31. according to ohms law the current density is proportional to a) current b) di/ds c) applied emf d)

32 Two more ques on gravity ie body is projected then find the time of fall and some physics ques33. Structure comparison is done a). yes b) no c) compiler dependent d) 34. The system in which communication occurs in both ways but not simultaneously in both

ways is a) Half simplex b) Simplex c) Half duplex d) duplex 35. main () int a=5, b=6; int i=0; i=a>b? a:b; printf (“%d”, i); a) 0 b) 1 c) 6 d)5

36. int fun (char c) int i; static int y ; a) c, i are stored in stack and y stored in data segment b)c stored in stack and i,y are stored in data segment c) c is stored in text segment, y in data and i in stack 37. how would you insert pre-written code into a current program? a) #read b) #get c) #include d) #pre ans: c

38.structure may contain a) any other structure b) any other structure expect themselves c) any other structure except themselves and pointed to themselves d) none of the above

39 One ques from pointer declaration

Section II40 If a>4,b<-1 then which of the following is true a)2a+b<0 b) 4a<3b c) a>4b d) some oth

41 In a class out of 150 studs participated in various games foot ball ,basket ball, cricket are 120, 130,135 respecly and 5 stud are not playing any one of then then find the least no of studs which are are playing all the games

a)110 b)100 c) 96 Ans a

42. 20 men can do a work in c/2 days & 30 women can do the same work in c/3 days then how

many days will take to complete the work when 20 men &30wmen work togethera)5c/6 b)c/6 c) 6c/5

43. find the lateral surface of a cone with diameter of base 12feet . and the latent height is 24feet a) 1320square f. b) 260 square f. c) 96 square f. d) none ans : c

44. Ann is shorter than Jill and Jill is taller than Tom. Which of the following inferences are true? a) Ann is taller than Tom b) c) d) Data insufficient ans : d 45. Sum of squares of two numbers is 404 and sum of two numbers is 22.Then product of two Numbers? a) 20 b) 40 c) d) (Answer is 40. Two numbers are 20 and 2) 46). (10 | 7) would produce a). 17 b). 3 c). 11 d). 15

ENGLISH sectionRemaining r English ques Which contain Correction of sentence , Synonyms & one puzzle which is very lengthy

And I feel toughBEST OF LUCK





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