Civil Engineering - UPSC Civil Service Exam Questions

26. 

For the motion represented by the graph shown in the given figure, the numerical value of velocity , when acceleration will be

A. 1 m/sec
B. 2 m/sec
C. 3 m/sec
D. 4 m/sec

Answer: Option A

Explanation:

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27. 

A star is observed at its upper culmination when it is north of zenith. The latitude of the place of observation is 30°N and declination of the star is 50°N. The zenith distance of the star is

A. 10°
B. 20°
C. 40°
D. 80°

Answer: Option B

Explanation:

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28. 

For flow under a sluice gate where the upstream depth is 1.2 m and the depth at vena contracta is 0.3 m, the discharge per meter width would be nearly

A. 0.36 m3
B. 1.5 m3
C. 1.7 m3
D. 4.0 m3

Answer: Option B

Explanation:

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29. 

At what value of saturation does the zero air voids curve in a compaction test represent the dry density?

A. 0%
B. 80%
C. 100%
D. 50%

Answer: Option C

Explanation:

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30. 

Which steel member section among the following combinations can carry maximum load ?

A. A pair of angles welded on opposite sides of a gusset plate, but not tack welded
B. A pair of angles welded on opposite sides of a gusset plate, and tack welded along its length.
C. A pair of angles back to back on same side of a gusset plate, and tack welded.
D. A pair of angles on same side of a gusset plate, but not tack welded

Answer: Option B

Explanation:

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