syllabus as per gate 2019 - mvs academy

MVS ACADEMY CIVIL ENGINEERING GATE – 2019

Syllabus as per GATE – 2019

Fluid Mechanics:

56. Properties of fluids, fluid statics;

57. Continuity, momentum, energy and corresponding equations;

58. Potential flow, applications of momentum and energy equations;

59. Laminar and turbulent flow;

60. Flow in pipes, pipe networks;

61. Concept of boundary layer and its growth.

Hydraulics:

62. Forces on immersed bodies;

63. Flow measurement in channels and pipes;

64. Dimensional analysis and hydraulic similitude;

65. Kinematics of flow, velocity triangles;

66. Basics of hydraulic machines, specific speed of pumps and turbines;

67. Channel Hydraulics - Energy-depth relationships, specific energy, critical flow, slope

profile, hydraulic jump, uniform flow and gradually varied flow

Hydrology:

68. Hydrologic cycle, precipitation, evaporation, evapo-transpiration, watershed,

infiltration,

69. Unit hydrographs, hydrograph analysis,

70. Flood estimation and routing, reservoir capacity, reservoir and channel routing,

surface run-off models,

71. Ground water hydrology – steady state well hydraulics and aquifers; Application of

Darcy’s law.


Irrigation:

72. Duty, delta, estimation of evapo - transpiration; Crop water requirements;

73. Design of lined and unlined canals, head works, gravity dams and spillways;

74. Design of weirs on permeable foundation;

75. Types of irrigation systems, irrigation methods; Water logging and drainage;

76. Canal regulatory works, cross-drainage structures, outlets and escapes.


Few Typical Questions with Solutions given module wise list for reference:

FLUID MECHANICS

MODULE – 56

1) In a simple concentric shaft-bearing arrangement, the lubricant flows in the 2 mm gap

between the shaft and the bearing. The flow may be assumed to be a plane Couette

flow with zero pressure gradient. The diameter of the shaft is 100 mm and its

tangential speed is 10 m/s. The dynamic viscosity of the lubricant is 0.1 kg/m.s. The

frictional resisting force (in Newton) per 100 mm length of the bearing is __________

(Up to one decimal point accuracy)

Ans: 15.7

Solution:

( )

2) The dimension for kinematic viscosity is

A)

B)

C)

D)

Ans: C

3) The apparent viscosity of a fluid is given by |

|

where (

) is the velocity

gradient. The fluid is

A) Bingham plastic

B) dilatant

C) pseudo plastic

D) thixotropic

Ans: B

Explanation:

Viscosity increases, so it is dilatant.


MODULE – 57

4) The nozzle AB, as shown below, leading to the test section of a low speed subsonic

wind tunnel, has a contraction ratio of 10:1. The pressure difference across the nozzle

is maintained at 1000 and the density of air is 1.23 . Assuming one-

dimensional, steady, inviscid flow, the velocity in the test section as measured at point

B is ___________ m/s.

Ans: 40.53

Solution:

( )

5) For an incompressible flow field, which one of the following conditions must be

satisfied?

A) ∇∙ = 0 B) ∇× = 0 C) ( ∇) = 0 D)

( ∇)

Ans: A


6) The figure shows the idealized view of a return elbow or U bend, which is connected

to two pipes by flexible hoses that transmit no force. Water with density 1000 kg/

flows at velocity of 10 m/s through the pipe, which has a uniform ID of 0.1m. The

gauge pressure at points 1 and 2 are 304 kPa and 253 kPa respectively. The horizontal

force F required to keep the elbow in position is

A) 1574 N B) 1970 N C) 5945 N D) 7533 N

Ans: C

Solution:

( )

( )

MODULE – 58

7) Ideal fluids have shear stress

A) May be negligible

B) May be zero

C) Near to zero

D) None of these

Ans: A

8) Water flows with flow rate of 0.3

⁄ through a pipe AB of 10m length and of

uniform c/s. The end B is above end A and the pipe makes an angle of 3 to the


horizontal. For a pressure of 12 ⁄ at the end B, the corresponding pressure at the

end A in KPa is?

A) 60 B) 61 C) 62 D) 63

Ans: B

Solution:

(

)

9) The Bernoulli equation is a statement of conservation of energy for an inviscid flow

is:

A)

B)

C)

D)

Ans: D

Module -59

10) For a fully developed laminar flow of water (dynamic viscosity 0.001 Pa-s) through a

pipe of radius 5cm. the axial pressure gradient is – 10 Pa/m. The magnitude of axial

velocity (in m/s) at a radial location of 0.2 cm is ________

Ans: 6.24

Solution:

(

) ( )

( )( )


11) Couette flow is characterized by

A) steady, incompressible, laminar flow through a straight circular pipe

B) fully developed turbulent flow through a straight circular pipe

C) steady, incompressible, laminar flow between two fixed parallel plates

D) steady, incompressible, laminar flow between one fixed plate and the other

moving with a constant velocity

Ans: D

12) A steel sphere (density = 7900 ) of diameter 0.1 m is dropped from rest in

water (density = 1000 ). The gravitational acceleration is 9.8 . Assuming

that the drag coefficient is constant and equal to 1.33, the terminal velocity attained by

the sphere in m/s is _____

A) 2.6 B) 3.6 C) 4.6 D) 6.6

Ans: A

Solution:

( ) (

)

( )(

)

( )(

)


MODULE – 60

13) The figure shows a reducing area conduit carrying water. The pressure p and velocity

V are uniform across sections 1 and 2. The density of water is 1000 . If the

total loss of head due to friction is just equal to the loss of potential head between the

inlet and the outlet, then in m/s will be ____

Ans: 8

Solution:

14) An incompressible fluid is flowing at a steady rate in a horizontal pipe. From a

section, the pipe divides into two horizontal parallel pipes of diameters d1 and d2

(where d1 = 4d2) that run for a distance of L each and then again join back to a pipe

of the original size. For both the parallel pipes, assume the head loss due to friction

only and the Darcy-Weisbach friction factor to be the same. The velocity ratio

between the bigger and the smaller branched pipes is _________

Ans: 2

Solution:


√

15) A free jet of water is emerging from a nozzle (diameter 75 mm) attached to a pipe

(diameter 225 mm) as shown below.

The velocity of water at point A is 18 m/s. Neglect friction in the pipe and nozzle. Use

g = 9.81 and density of water = 1000 .

i) The velocity of water at the tip of the nozzle (in m/s) is

A) 13.4 B) 18.0 C) 23.2 D) 27.1

Ans: D

Solution:

√

√

16) Match Group-I with Group-II.

Group-I

P. Pitot tube

Q. Manometer

R. Venturimeter

S. Anemometer


Group-II

1. Measuring pressure in a pipe

2. Measuring velocity of flow in a pipe

3. Measuring air and gas velocity

4. Measuring discharge in a pipe

The Correct match of Group-I with Group-II is

A) P-1, Q-2, R-4, S-3

B) P-2, Q-1, R-4, S-3

C) P-2, Q-l, R-3, S-4

D) P-4, Q-l, R-3, S-2

Ans: B

MODULE – 61

17) The velocity profile inside the boundary layer for flow over a flat plate is given as

(

), where is the free stream velocity and is the local boundary

layer thickness. If is the local displacement thickness, the value of

is

A)

B)

C)

D) 0

Ans: C

Solution:

∫ (

)

∫ ( (

))

[

(

)]

( ) (

) (

)


18) A steady laminar boundary layer is formed over a flat plate as shown in the figure.

The free stream velocity of the fluid is . The velocity profile at the inlet a-b is

uniform, while that at a downstream location c-d is given by [ (

) (

)

].

The ratio of the mass flow rate , leaving through the horizontal section b-d to that

entering through the vertical section a-b is ___________

Ans: 0.33

Solution:

Mass flow rate at a-b

Mass flow rate at c-d ∫ [ (

) (

)

] *

+

Mass flow rate at b-d

Ratio of flow rate of b-d to a-b

19) The Reynolds number is defined as where L is the length scale for a flow,

is its reference velocity and is the coefficient of kinematic viscosity. In the

laminar boundary layer approximation, comparison of the dimensions of the

convective term

and the viscous term

leads to the following relation

between the boundary layer thickness and :

A) √ B) 1/√ C) D)

Ans: B


HYDRULICS

MODULE – 62

20) A 2 m × 2 m square opening in a vertical wall is covered with a metallic plate of the

same dimensions as shown in the figure below. Consider the acceleration due to

gravity to be 10.0 . The force (in kN) exerted by water on the plate is _____.

Ans: 120

Solution:

21) A rectangular boat 6 m wide and 15 m long (dimension perpendicular to the plane of

the figure) has a draught of 2 m. The side view of the boat is as shown in the figure.

The centre of gravity G of the boat is at the free surface level. The metacentric height

of the boat in m is


A) −1.0 B) 0.5 C) 1.5 D) 2.0

Ans: B

Solution:

22) The percentage error in the computed discharge over a triangular notch corresponding

to an error of 1% in the measurement of head over the notch would be?

Ans:

Solution:

.

2.5

MODULE – 63

23) The velocity of flow of water (density 1000 ) in a horizontal pipe is measured

using the Pitot tube shown below. The fluid in the U-tube manometer is mercury with

a density of 13534 . Assume g = 9.81 . If the height difference (h) is

measured as 94.1 mm, the velocity of flow of water in m/s is ______.


Ans: 4.8

Solution:

( )

√

24) Water drains out into atmosphere from a small orifice located at the bottom of a large

open tank. If the initial height of the water column is H, the time taken to empty the

tank is proportional to

A)

B) C)

D)

Ans: A

Explanation:

√

25) A student can measure free-stream velocity of a low-speed wind tunnel using a

i. Pitot tube alone aligned with the flow direction.

ii. Pitot tube aligned with the flow direction with static pressure measurement at an

appropriate position on the tunnel wall.

iii. Pitot tube aligned with the flow direction along with barometer pressure reading of

the outside ambient.


iv. Pitot static tube alone aligned with the flow direction.

Considering the above statements, which of the following options is correct?

A) (i) only B) (i) & (ii) C) (ii) & (iv) D) (i), (iii) & (iv)

Ans: C

MODULE – 64

26) For a newly designed vehicle by some students, volume of fuel consumed per unit

distance travelled ( ) depends upon the viscosity ( ) and density ( ) of the

fuel and, speed ( ) and size ( ) of the vehicle as

where is a constant.

The dimensions of the constant C are

A) B) C) D)

Ans: B

Solution:

( )

27) Water flows through a pipe having an inner radius of 10 mm at the rate of 36 kg/hr at

25°C. The viscosity of water at 25°C is 0.001 kg/m.s. The Reynolds number of the

flow is _______

Ans: 63

Solution:


28) Match the following :

List – I List – II

(P) Euler number (1) Viscous force / Inertial force

(Q) Froude number (2) Pressure force / Inertial force

(R) Weber number (3) Inertial force / Gravitational force

(4) Inertial force / Surface tension force

A) P-1, Q-2, R-3

B) P-2, Q-3, R-4

C) P-3, Q-2, R-1

D) P-4, Q-3, R-2

Ans: B

29) Water flows through valve having 0.8m diameter at a rate 85 . It is to be tested in

a geometrically similar model of 10cm diameter with water as working fluid.

Determine the required flow rate in the model in

A) 12.7 B) 10.6 C) 8.4 D) 13

Ans: B

Solution:

( )


MODULE – 65

30) The volumetric flow rate (per unit depth) between two streamlines having stream

functions and is

A) | | B) C) D) | |

Ans: D

31) If the fluid velocity for a potential flow is given by ( ) ( )

( ) with usual notations, then the slope of the potential line at ( ) is

A)

B)

C)

D)

Ans: B

Solution:

32) For an unsteady incompressible fluid flow, the velocity field is ( )

, where x, y are in meters and t is in seconds. Acceleration in at the point

x =10 m and y = 0 , as measured by a stationary observer is

A) 763 B) 541 C) 436 D) 303

Ans: D


Solution:

( )

( )

√

33) An unsteady velocity field is given by . Calculate the

acceleration at the point (5, 3) at time .

Ans: 123.97

Solution:

( ) ( )

( ) ( )

( ) ( )

=69

√

√ 123.97


MODULE – 66

34) A penstock of 1 m diameter and 5 km length is used to supply water from a reservoir

to an impulse turbine. A nozzle of 15 cm diameter is fixed at the end of the penstock.

The elevation difference between the turbine and water level in the reservoir is 500 m.

Consider the head loss due to friction as 5% of the velocity head available at the jet.

Assume unit weight of water = 10 and acceleration due to gravity (g) =

10 . If the overall efficiency is 80%, power generated (expressed in kW and

rounded to nearest integer) is _________

Ans: 6570

Solution:

( ) (

)

0

35) The brake power of a centrifugal pump having an impeller diameter of 200 mm is

1.86 kW. If the impeller is replaced with another impeller of 180 mm diameter, the

brake power of the pump in kW will be _________.

Ans: 1.356

Solution:


36) With increasing flow rate, the hydraulic efficiency of a centrifugal pump________

A) Monotonically decreases B) Decreases and then increases

C) Remains constant D) Increases and then decreases

Ans: D

37) A pump can lift water at a discharge of 0.15 to a head of 25 m. The critical

cavitation number ( ) for the pump is found to be 0.144. The pump is to be installed

at a location where the barometric pressure is 9.8 m of water and the vapour pressure

of water is 0.30 of water. The intake pipe friction loss is 0.40 m. Using the minimum

value of NPSH (Net Positive Suction Head), the maximum allowable elevation above

the sump water surface at which the pump can be located is

A) 9.80 m B) 6.20 m C) 5.50 m D) None of the above

Ans: C

Solution:

,

,

,

MODULE – 67

38) A rectangular channel of 2.5 m width is carrying a discharge of 4 . Considering

that acceleration due to gravity as 9.81 , the velocity of flow (in m/s)

corresponding to the critical depth (at which the specific energy is minimum) is

_______

Ans: 2.5


Solution:

(

)

((

)

)

39) Critical depth at a section of a rectangular channel is 1.5 m. The specific energy at

that section is

A) 0.75 m B) 1.0 m C) 1.5 m D) 2.25 m

Ans: D

Solution:

40) A rectangular channel 6.0 m wide carries a discharge of 16.0m3/s under uniform

condition with normal depth of 1.60 m. Manning's n is 0.015.The longitudinal slope

of the channel is

A) 0.000585 B) 0.000485 C) 0.000385 D) 0.000285

Ans: A

Solution:


( )

41) A 3 m wide rectangular channel carries a flow of 6 . The depth of flow at a

section P is 0.5 m. A flat-topped hump is to be placed at the downstream of the

section P. Assume negligible energy loss between section P and hump, and consider

as 9.81 . The maximum height of the hump (expressed in m) which will not

change the depth of flow at section P is _________

Ans: 0.203

Solution:

(

)

(

)

(

)

HYDROLOGY

MODULE -68

42) A lake had a water surface elevation of 103.2m above datum at the beginning of a

certain month. In that month the lake received an average inflow of 6.0 from

surface runoff sources. In the same period the out flow from the lake had an average

value of 6.5 . Further, in that month, the lake received a rainfall of 145mm and

evaporation from the lake surface was estimated 6.10 cm. The average lake surface

area can be taken as 5000ha. What is the elevation of water at the end of month

A) 103.58 B) 103.258 C) 103.058 D) 103.508


Ans: B

Solution:

Inflow volume =

= = 16.848

Rainfall = 0.145

Evaporation =

= 3.05

Net (15.552+7.25-16.848-3.05) = 2.904

Depth of increase =

= 0.058

Present elevation = 103.2 +0.058 = 103.258m

43) The normal annual rainfall for 5 rain gauge stations A, B, C, D and E in a watershed

were 112.7, 120.4, 118.3, 125.2 and 110.6 cm, respectively. In a particular year, the

rain gauge installed at station C failed to record rainfall. In the same year the rain

gauges at stations A, B, D and E recorded annual rainfall of 114.9, 118.3, 122.6 and

114.5 cm, respectively. The estimated rainfall at station C in that particular year in cm

was __________ (up to two decimal point accuracy)

Ans: 118.8

Solution:

(

)

44) The analysis of maximum one-day rainfall in a city indicated that a depth of 280mm

has a return period of 50 years. The probability of one day rainfall depth equal to or

greater than 280mm in the city occurring two times 15 successive years is ________

A) 0.0322 B) 0.0222 C) 0.01234 D) 0.01153

Ans: A

Solution:


45) A 25 g/l solution of a fluorescent tracer was discharged into a stream at a constant rate

of 10 The back ground concentration of the dye in the stream water was found

to be zero. At a downstream section sufficiently for away, the dye was found to reach

an equilibrium concentration of 5 parts per billion. Estimate the stream discharge in

.

A) 22 B) 50 C) 65 D) 85

Ans: B

Solution:

( )

MODULE – 69

46) A four hour unit hydrograph of a catchment is triangular in shape with base of 80

hours. The area of the catchment is 720 km2. The base flow and -index are 30m

3/s

and 1 mm/h, respectively. A storm of a 4 cm occurs uniformly in 4 hours over the

catchment. The peak flood discharge due to the storm is

A) 210 m3/s B) 230 m

3/s C) 260 m

3/s D) 720 m

3/s

Ans: A

Solution:

Depth due to storm= 4 cm

Loss = 1 mm/h 4 = 4mm = 0.4 cm

Rainfall excess = 4 – 0.4 = 3.6 cm

Peak of flood = 3.6 50 + 30 = 210

47) A 3-hour storm over a watershed had an average depth of 27 mm. the resulting flood

hydrograph was found to have a peak flow of 200 /s and a base flow of 20 /s. if

the loss rate could be estimated as 0.3 cm/h, a 3-h unit hydrograph for this watershed

will have a peak of

A) 66.7 /s B) 100 /s C) 111.1 /s D) 33.3 /s

Ans: B


Solution:

Rainfall excess = 27 mm – 3 mm 3=18 mm

Peak without both flow = 200 – 20 = 180

For 1 cm rain fall excess, peak = 100

48) The peak flow of flood hydrograph caused by isolated storm was observed was

observed to be 100 /s. the storm had duration of 8.0 hours and the total depth of

rainfall of 7.0 cm. the base flow and the φ-index were estimated as 20 /s and 0.25

cm/h respectively. If in the above storm the total rainfall were 9.5 cm in the same

duration of 8 hours, the flood peak would have been larger by

A) 35.7% B) 40% C) 50% D) 20%

Ans: B

Solution:

Effective rain fall = 7 – 8 0.25 = 5 cm

Peak = 100

Base flow = 20

Peak – base flow =100 – 20 = 80

Peak of unit hydrograph = 80/5 = 16

9.5 – 0.25 8 = 7.5cm

Peak = 7.5 16 +20 = 140

It is 40% more than earlier

MODULE -70

49) The type of flood routing (Group I) and the equation(s) used for the purpose (Group

II) are given below.

Group I Group II

P. Hydrologic flood routing 1. Continuity equation

Q. Hydraulic flood routing 2. Momentum equation

3. Energy equation


The correct match is

A) P - 1; Q - 1, 2& 3

B) P - 1; Q - 1& 2

C) P - 1& 2; Q - 1

D) P - 1& 2; Q - 1& 2

Ans: B

50) In Muskingum flood routing, if and , then the Muskingum

constants are

A) 0.0347, 0.0242, 0.152

B) 0.076, 0.0429, 0. 24

C) 0.0476, 0.0429, 0.524

D) 0.0076, 0.00429, 0.0524

Ans: C

Solution:

51) A flood wave with a known inflow hydrograph is routed through a large reservoir.

The outflow hydrograph will have

A) Attenuated peak with reduced time-base

B) Attenuated peak with increased time-base

C) Increased peak with increased time-base

D) Increased peak with reduced time-base

Ans: B


MODULE -71

52) The relationship among specific yield ( ), specific retention ( ) and porosity ( ) of

an aquifer is

A) = + B) = – C) = − D) = + 2

Ans: C

53) A tube well of 30cm diameter penetrates fully into an artesian aquifer. The strainer

length is 15m. the yield in from the well under a drawdown of 3m through the

aquifer consisting of sand of effective size 0.2mm and coefficient of permeability of

50m/day, with radius of drawdown of 150m is

Ans: 23.69

Solution:

( )

(

)

(

)

54) A tube well in a confined aquifer has a diameter of 0.3m. For a certain yield, the

radius of influence is 400m. All conditions remaining same. If diameter of the well is

doubled, then the percentage increase is the yield is________

A) 3.96 B) 6.93 C) 9.36 D) 9.63

Ans: D

Solution:

(

)

(

)

(

)


55) An unconfined aquifer is pumped at a constant rate of 10 . Steady state drawdowns

measured at radial distances of 30m and 60m are 0.8m and 0.7m respectively.

Original thickness of aquifer is 30m. Transmissibility in of the aquifer is

Ans: 951.52

Solution:

(

)

( )

IRRIGATION

MODULE – 72

56) For an irrigation field having field capacity = 30%, permanent wilting point 10%,

permissible depletion of available moisture = 40%, dry weight of soil = 14.7 ,

unit weight of water = 9.8 and effective rainfall = 30mm, what is the net

irrigation requirement in mm per meter depth of soil.

A) 19 B) 30 C) 71 D) 90

Ans: D

Solution:

( )

( )


57) The intensity if irrigation is 20% for wheat and 10% for rice, where cultural command

area of distributary is 6000 ha. The kor period for wheat is 3 weeks and for rice it is 2

weeks. Find the total outlet discharge (cumec) required excluding losses in the

channel. Assume depth for kor watering as 9cm and 25cm for wheat and rice

respectively.

Ans: 1.835

Solution:

Area Duty = 8.64 B/ Q=A/D

Wheat 1200 ha 2016 ha/cumec 0.595 cumec

Rice 600 ha 484 ha/cumec 1.24 cumec

58) A flow of 150 l/s was supplied for 8 hours from a tank to irrigate 2 ha of land. It was

found that the actual delivery rate at the farm was less than 150 l/s. if the conveyance

loss was 864 , percolation and run-off losses in the field were 240 and 760

respectively. The water application efficiency of this system ____________%

Ans: 71

Solution:

Total water

Water supplied to field

Water stored at root zone

Application efficiency

59) The depth of water needed to bring the soil to field capacity is 70mm. The water

applied to field is 90mm. the water stored in root zone = 60mm. Find the water

storage efficiency in percent.

A) 95.5 B) 87.5 C) 85.7 D) 75.8

Ans: C

Solution:


MODULE – 73

60) A concrete gravity dam section is shown in the figure. Assuming unit weight of water

as 10 and unit weight of concrete as 24 , the uplift force per unit

length of the dam (expressed in kN/m) at PQ is _________

A) 1250 B) 10500 C) 20100 D) 20500

Ans: B

Solution:

Pressure at P

Pressure at Q

Pressure at drain holes

( )

Total uplift pressure (

) (

)

61) For a hydraulically efficient rectangular channel of bed width 4.0 m, the depth of flow

is ____m

Ans: 2.0

Solution:

b/2 = 2.0 m


62) The dimensions of the Chazy’s constant ‘C’ are ______________

A)

B)

C) D)

Ans: B

Solution:

√

√

MODULE – 74

75) A weir is constructed across an alluvial river with a horizontal floor of 70.0 m length

and retains 5.0m of water under full pond condition. If the downstream sheet pile is

driven to depth of 8.0m below average bed level, calculate the exit gradient

_________

Ans: 0.09

Solution:

√

√

√

√

76) Uplift pressures at points E and D (Figure A) of a straight horizontal floor of

negligible thickness with a sheet pile at downstream end are 28% and 20%,

respectively. If the sheet pile is at upstream end of the floor (Figure B), the uplift

pressures at points D1 and C1 are


A) 68% and 60%respectively

B) 80% and 72% respectively

C) 88% and 70% respectively

D) 100% and zero respectively

Ans: B

Solution:

Loss in between E to D = 8%

Loss in between D to C = 20%

Loss in between to At = 80%

to = 8% At = 72%

77) Determine the interference correction percentage pressure at the downstream pile at

A) 0.186 B) 0.186 C) 1.79 D) 1.79

Ans: B


Solution:

Interference Correction at = 19 (

)√

19 (

)√

0.186 %

MODULE -75

78) Leaching is a process

A) By which alkali salts present in the soil are dissolved and drained away

B) By which alkali salts in soil comes up with water

C) Of draining excess water of irrigation

D) Which controls water logging

Ans: A

79) Which of the following soil pH levels indicates an alkaline soil?

A) PH

= 5.5

B) PH

= 6.5

C) PH

= 7.5

D) Additional information needed

Ans: C

80) Determine the time required in minutes to irrigate a strip of land of 0.04 ha in area

from a tube well with a discharge of 0.02 cumec. The infiltration capacity of the soil

is taken as 5 cm/hr and the average depth of flow on the field as 10 cm.

Ans: 39

Solution:


(

)

(

)

81) Find SAR of the soil if concentration of are 50, 10, 8mg/l

respectively.

A) 2.97 B) 2.79 C) 7.92 D) 7.99

Ans: A

Solution:

= 2.27milli.eqivalent/litter

√

MODULE – 76

82) The arrangement made in a canal network, which acts as its safety valve, is

A) Cattle crossing

B) Canal ladder

C) Canal escape

D) Canal module

Ans: C

83) What are the recommended setting options of an adjustable proportional module

worked with an open flume type outlet?

1) 3/10 2) 9/10 3)1/2 4) 5/3

Select the correct answer using the code given below


A) 1 and 2 B) 1 and 3 C) 3 and 4 D) 2 and 4

Ans: A

Explanation:

Generally setting for adjustable proportional module is 6/10 and for open flume is

9/10

84) A fully modular canal outlet has its

A) Sensitivity = 1, and flexibility = 1

B) Sensitivity = 1, and flexibility = 0

C) Sensitivity = 0, and flexibility = 1

D) Sensitivity = 0, and flexibility = 0

Ans: D

85)

Item Canal data Drainage Data

Flow ( ) 5 500

Bed Level (m) 120 112

Depth of flow (m) 0.8 10

Which one of the following types of cross drainage should be recommended in this

case?

A) Aqueduct B) Syphon Aqueduct C) Syphon D) Super passage

Ans: B

Explanation:

Canal bed level is higher than drainage bed level. HFL of drainage is above canal bed

level.

syllabus as per gate 2019 - mvs academy

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