civil engineering MCQs – Page 78

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 Review each marked answer and report any item that may be outdated or unclear.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

1541. If the intensity of rainfall is more than the infiltration capacity of soil, then the infiltration rate will be______________?
0

A. equal to rate of rainfall

B. more than rate of rainfall

C. more than infiltration capacity

D. equal to infiltration capacity

1542. A particle moves in a straight line and its position is defined by the equation x = 6 t2 t3 where t is expressed in seconds and x in meters. The maximum velocity during the motion is_________________?
0

A. 12 m/sec

B. 6 m/sec

C. 48 m/sec

D. 24 m/sec

1543. The minimum size of stone that will remain at rest in a channel of longitudinal slope S and hydraulic mean depth R is given by______________?
0

A. 15 RS

B. 4RS

C. 11 RS

D. 7RS

1544. Head width of 52 kg rail section is________________?
0

A. 67mm

B. 66.7mm

C. 72.33 mm

D. 61.9 mm

1545. A cylinder will slip on an inclined plane of inclination 0 if the coefficient of static friction between plane and cylinder is_____________________?
0

A. less than (2/3) tan 0

B. less than (1/3) sin 6

C. less than (2/3) sin 6

D. less than (1/3) tan 0

1546. The runoff increases with________________?
0

A. increase in infiltration capacity

B. increase in intensity of rain

C. increase in permeability of soil

D. all of the above

1547. Number of switches provided on a Gaunt-letted track is_______________?
0

A. 1

B. 3

C. 2

D. none of the above

1548. Which of the following canal outlets maintains a constant discharge ?
0

A. rigid module

B. none of the above

C. flexible outlet

D. non-modular outlet

1549. A raingauge should preferably be fixed________________?
0

A. under the tree

B. in a closed space

C. in an open space

D. near the building

1550. When the rail ends rest on a joint sleeper, the joint is termed as_________________?
0

A. supported rail joint

B. suspended rail joint

C. base joint

D. bridge joint

1551. The drainage water intercepting the canal can be disposed of by passing the canal below the drainage in___________________?
0

A. super passage and canal syphon

B. level crossing

C. aqueduct and super passage

D. aqueduct and syphon aqueduct

1552. Joule is the unit of__________________?
0

A. work

B. impulse

C. momentum

D. power

1553. A stone is thrown vertically upwards with a vertical velocity of 49 m/sec. It returns to the ground in________________?
0

A. 8 sec

B. 20 sec

C. 10 sec

D. 5 sec

1554. If the given forces P,, P2, P3 and P4 are such that the force polygon does not close, then the system will___________________?
0

A. be in equilibrium

B. always reduce to a resultant force

C. always reduce to a couple

D. both (A) and (C)

1555. Heel divergence is__________________?
0

A. always less than flangeway clearance

B. always greater than flangeway clearance

C. equal to flangeway clearance

D. sometimes greater than flangeway clearance

1556. Maximum value of throw of switch for Broad Gauge track is__________________?
0

A. 95 mm

B. 89 mm

C. 100 mm

D. 115 mm

1557. The unit hydrograph due to a storm may be obtained by dividing the ordinates of the direct runoff hydrograph by_______________?
0

A. period of storm

B. none of the above

C. direct runoff volume

D. total rainfall

1558. The maximum degree of curvature for Meter Gauge is limited to_________________?
0

A. 30

B. 40

C. 10

D. 16

1559. Which of the following can be used as a meter fall ?
0

A. all of the above

B. vertical drop fall

C. unflumed glacis fall

D. flumed glacis fall

1560. The forces, which are considered for the analysis of an elementary profile of a gravity dam under empty reservoir condition, are________________?
0

A. correct answer is

B. Self weight

C. Water pressure

D. Uplift

E. Pressure due to earthquake</strong>

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