civil engineering Mcqs
1652. The sensitivity of a rigid module is_______________?
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A. zero

B. infinity

C. between zero and one

D. 1

1656. Under the same conditions, which of the following shapes of water surface will give the highest rate of evaporation ?
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A. convex water surface

B. flat water surface

C. concave water surface

D. independent of shape of water surface

1658. On a single rail track, goods trains loaded with heavy iron material run starting from A to B and then empty wagons run from B to A. The amount of creep in the rails__________________?
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A. will be more in the direction of A to B

B. will be maximum at the middle of A and B

C. cannot be determined from the given data

D. will be more in the direction of B to A

1659. A divide wall is provided_______________?
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A. parallel to the axis of weir and up-stream of it

B. parallel to the axis of weir and down-stream of it

C. at an inclination to the axis of weir

D. at right angle to the axis of weir
1660. Seepage through embankments in an earthen dam is controlled by_______________?
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A. drainage filters

B. drain trenches

C. provision of downstream berms

D. relief wells

1661. The treadle bar is provided_____________________?
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A. in the middle of the track a little in front of the toes of the tongue rail

B. near and parallel to inner side of one of the rails

C. at right angle to the rail

D. near and parallel to inner side of both the rails

1664. Which of the following is a flexible outlet ?
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A. submerged pipe outlet

B. Gibbs outlet

C. none of the above

D. Kennedys gauge outlet
1665. A current meter is used to measure the__________________?
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A. depth of flow of water

B. velocity of flow of water

C. none of the above

D. discharge

1670. Which of the following methods is used to estimate flood discharge based on high water marks left over in the past ?
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A. moving boat method

B. area-velocity method

C. ultra-sonic method

D. slope-area method
1671. The uplift pressure on a dam can be controlled by_________________?
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A. constructing cutoff under upstream face

B. constructing drainage channels bet-ween the dam and its foundation

C. by pressure grouting in foundation</strong>

D. corret answer is?

E. only (1)

F. both (1) and (2)

1674. For a flood control reservoir, the effective storage is equal to_______________?
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A. useful storage + surcharge storage -valley storage

B. useful storage + surcharge storage

C. useful storage + surcharge storage + valley storage

D. useful storage valley storage

1675. Seepage through foundation in an earthen dam is controlled by providing___________________?
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A. rock toe

B. impervious cut off

C. chimney drain

D. horizontal blanket

1677. Unit of runoff in M.K.S. system is________________?
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A. cubic metre/sec

B. square metre

C. metre/sec

D. cubic metre

1678. For laying the railway track, materials required are__________________?
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A. Bearing Plates

B. FishPlates

C. quantities required for one kilometer of Broad Gauge track will be

D. Fish Bolts

E. Rails

1679. Trap efficiency of a reservoir is a function of_______________?
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A. capacity/inflow ratio

B. outflow/inflow ratio

C. none of the above

D. capacity/outflow ratio

1681. Which of the following statements regarding ballast materials are correct ?
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A. Brick ballast has poor drainage characteristics.

B. Gravel ballast gives better performance on soft formation.

C. Coal ash is not used as ballast with steel or cast iron sleepers.

D. Sand ballast causes excessive wear on top of rail
1682. The flow-mass curve is graphical representation of__________________?
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A. discharge and time in chronological order

B. discharge and percentage probability of flow being equaled or exceeded

C. cumulative discharge and time

D. cumulative discharge, volume and time in chronological order
1683. Number of dog spikes normally used per rail seat on curved track is__________________?
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A. one on either side

B. one outside and two inside

C. two outside and one inside

D. two outside and two inside

1685. The major resisting force in a gravity dam is___________________?
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A. water pressure

B. wave pressure

C. self-weight of dam

D. uplift pressure

1686. The main cause of meandering is________________?
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A. none of the above

B. degradation

C. presence of an excessive bed slope in the river

D. the extra turbulence generated by the excess of river sediment during floods
1687. With the increase in the quantity of water supplied, the yield of most crops_________________?
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A. increases continuously

B. increases upto a certain limit and then decreases

C. increases upto a certain limit and then becomes constant

D. decreases continuously

1688. Select the correct statement?
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A. BOD does nof depend on time

B. 5 day BOD is greater than 4 day BOD keeping other conditions same

C. 5 day BOD is less than 4 day BOD keeping other conditions same

D. 5 day BOD is the ultimate BOD

1690. Total float for any activity is defined as the difference between________________?
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A. its latest finish time and earliest start time for its successor activity

B. its earliest finish time and earliest start time for its successor activity

C. its latest start time and earliest start time

D. its latest start time and earliest finish time

1694. Removal of props under______________?
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A. beams spanning upto 6 m is 14 days

B. slabs spanning upto 4.5 m is 7 days

C. slabs spanning upto 4.5 m is 14 days

D. All the above
1695. Select the incorrect statement ?
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A. Lift irrigation increases water logging

B. Extensive irrigation should be adopted in areas susceptible to water logging

C. all of the above

D. Intensive irrigation should be avoided in areas susceptible to water logging

1696. The needle beam method of tunneling______________?
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A. is suitable for soils in which roof can stand for few minutes without support

B. i) is suitable for concrete lining

C. ) is suitable for brick lining

D. ) requires large number of trench jacks</strong>

E. ect the answer?

1697. In resources levelling________________?
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A. cost of project is controlled

B. total duration of project is increased

C. uniform demand of resources is achieved

D. total duration of project is reduced

1699. Updating may result in_________________?
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A. all of the above

B. decrease of project completion time

C. change of critical path

D. increase of project completion time

1700. Which of the following factors govern the choice of the gauge ?
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A. volume and nature of traffic

B. correct answer is ?

C. speed of train

D. ) physical features of the country</strong>