civil engineering MCQs – Page 84

Practise multiple-choice questions from civil engineering for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

civil engineering Mcqs
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

1662. Vertical drop fall is satisfactory for a height upto ___________?
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A. 1.5 m

B. 5.0 m

C. 0.5 m

D. 3.5 m

1663. The condilion for a lifting machine to be reversible is that its efficiency should be_________________?
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A. more than 50%

B. more than 66.67%

C. equal to 100%

D. less than 50%

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

1666. The normal annual precipitation at stations X, A, B and C are 700 mm, 1000 mm, 900 mm and 800 mm respectively. If the storm precipitation at three station A, B and C were 100 mm, 90 mm and 80 mm respectively, then the storm precipitation for station X will be___________________?
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A. 105 mm

B. 90 mm

C. 80mm

D. 70mm
1667. In a shunting signal if the red band is inclined at 45 it indicates_________________?
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A. stop

B. proceed cautiously

C. none of the above

D. proceed
1668. For a sleeper density of (n+5), the number of sleepers required for constructing a broad gauge railway track of length 650 m is____________________?
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A. 900

B. 918

C. 975

D. 880

1669. The angles between two forces to make their resultant a minimum and a maximum respectively are__________________?
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A. 180 and 0

B. 180 and 90

C. 90 and 180

D. 0 and 90

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)

1672. What will be the curve lead for a 1 in 8.5 turnout taking off from a straight broad gauge track?
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A. 28.49 m

B. 14.24 m

C. 21.04 m

D. 7.45 m

1673. In a simple harmonic motion, the position of equilibrium is always_________________?
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A. stable

B. neutral

C. none of the above

D. unstable

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

1676. If d is the depth of the aquifer through which water is flowing, then the relationship between permeability k and transmissible T is given by_______________?
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A. T= Vkd

B. T = k/d

C. T = kd

D. k= VTd

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

1680. A ball moving on a smooth horizontal table hits a rough vertical wall, the coefficient of restitution between ball and wall being 1/3. The ball rebounds at the same angle. The fraction of its kinetic energy lost is___________________?
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A. 9-Jan

B. 3-Feb

C. 8/9

D. 3-Jan