# Civil Engineering - UPSC Civil Service Exam Questions

46.

In a laminar boundary layer, the velocity distribution can be assumed to be given, in usual notations, as Which one of the following is the correct expression for the displacement thickness δ* for this boundary layer ?

 A. δ* = δ B. δ* = δ/2 C. δ* = δ/4 D. δ* = δ/6

Explanation:

No answer description available for this question. Let us discuss.

47.

In a plate load test, how is the ultimate load estimated from the load settlement curve on a log-log graph ?

 A. Directly B. By drawing tangents to the curve at the initial and final points C. By the secant method D. At 0.2 percent of the maximum settlement

Explanation:

No answer description available for this question. Let us discuss.

48.

The standard Proctor compaction curve of a clay is depicted in the above figure. Points A, B and C correspond to three compaction states of the soil, which fall on this curve. For which point(s) is the coefficient of permeability minimum ? A. A and C B. A C. B D. C

Explanation:

No answer description available for this question. Let us discuss.

49.

In which one of the following grades of a highway is an emergency escape ramp provided ?

Explanation:

No answer description available for this question. Let us discuss.

50.

Ratio of the width of the car parking area required at kerb for 30° parking relative to 60° parking is approximately

 A. 0.5 B. 0.7 C. 0.8 D. 2