civil engineering MCQs – Page 77

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 Review each marked answer and report any item that may be outdated or unclear.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
1521. The purpose of providing fillet in a rail section is to_________________?
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A. avoid the stress concentration

B. increase the lateral strength

C. reduce the wear

D. increase the vertical stiffness

1522. Force polygon method is applicable for_____________________?
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A. non-concurrent copianar force system

B. a system of parallel forces only

C. any copianar force system

D. concurrent copianar force system
1523. The compensation for curvature on gradient for Meter Gauge is given by________________?
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A. 52.5/R

B. 70/R

C. 105/R

D. re R is radius of curve

E. 35/R

1524. The rainfall on five successive days were measured as 100 mm, 80 mm, 60 mm, 40 mm and 20 mm respectively. If the infiltration index or the storm loss rate for the catchment area is earlier estimated as 50 mm/day, the total surface run off will be________________?
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A. 50 mm

B. 60 mm

C. 90 mm

D. 140 mm

1525. Yellow lighthand signal indicates____________________?
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A. none of the above

B. proceed cautiously

C. stop

D. proceed

1526. Which of the following canal structures is used to remove surplus water from an irrigation channel into a natural drain ?
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A. canal regulator

B. canal outlet

C. canal escape

D. canal fall

1527. Metal sleepers are superior to wooden sleepers with respect to________________?
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A. cost

B. track circuiting

C. life

D. fastening

1528. A train is hauled by 4-8-2 locomotive. The number of driving wheels in this locomotive is_________________?
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A. 12

B. 14

C. 8

D. 4

1529. A disc of mass 4 kg, radius 0.5m and moment of inertia 3 kg-m2 rolls on a horizontal surface so that its center moves with speed 5 m/see. Kinetic energy of the disc is ___________________?
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A. 150 J

B. 50 J

C. 400 J

D. 200 J
1530. A runoff river plant is____________?
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A. a medium head scheme

B. none of the above

C. a low head scheme

D. a high head scheme

1531. A cable loaded with 10 kN/m of span is stretched between supports in the same horizontal line 100 m apart. If the central dip is 10 m, then the maximum and minimum pull in the cable respectively are____________________?
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A. 1436.2 kN and 1500 kN

B. 1346.3 kN and 1250 kN

C. 1436.2 kN and 1250 kN

D. 1346.3 kN and 1500 kN

1532. Two circular discs of same weight and thickness are made from metals having different densities. Which disc will have the larger rotational inertia about its central axis ?
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A. disc with larger density

B. disc with smaller density

C. both discs will have same rotational inertia

D. none of the above

1533. The value of Sodium Absorption Ratio for high sodium water lies between________________?
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A. 18 to 26

B. 0 to 10

C. 10 to 18

D. 26 to 34

1534. The best unit duration of storm for a unit hydrograph is________________?
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A. equal to basin lag

B. one-fourth of basin lag

C. one-half of basin lag

D. 1 hour

1535. A ball is dropped from a height of 16 m on a horizontal floor. If it rebounds to a height of 9 m after striking the floor, the coefficient of restitution between ball and floor is_____________________?
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A. 3/4

B. 3-Apr

C. 4-Jan

D. 3-Feb

1536. Minimum depth of ballast cushion for a Broad Gauge wooden sleeper of size 275x25x13 cm with 75cm sleeper spacing is________________?
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A. 30cm

B. 25 cm

C. 20 cm

D. 15 cm

1537. If the risk of a flood occurring in the next 10 years is accepted to 10%, then the return period for design should be__________________?
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A. 1 + (0.9)010

B. 1/(1+ 0.9010)

C. 1/(1-0.910)

D. 1 (0.9)l0

1538. Which of the following methods of applying water may be used on rolling land ?
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A. free flooding

B. furrow flooding

C. check flooding

D. boarder flooding
1539. A particle is executing simple harmonic motion in a line 1.0 m long. If the time of one complete vibration is 1 sec, then the maximum velocity of the particle is___________________?
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A. 1.57 m/sec

B. 3.14 m/sec

C. 6.28 m/sec

D. 1.00 m/sec

1540. For developing thinly populated areas, the correct choice of gauge is_________________?
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A. Broad Gauge

B. any of the above

C. Narrow Gauge

D. Meter Gauge