Civil Engineering - UPSC Civil Service Exam Questions

46. 

If R is the radius of the main curve, θ the angle of deflection S the shift and L the length of the transition curve, then the total tangent length of the curve is given by

A. (R - S) tan θ/2 - L/2
B. (R + S) tan θ/2 - L/2
C. (R + S) tan θ/2 + L/2
D. (R - S) tan θ/2 + L/2

Answer: Option C

Explanation:

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47. 

Which one of the following, gives the correct decreasing order of the densities of a soil sample?

A. Saturated, submerged, wet, dry
B. Saturated, wet, submerged, dry
C. Saturated, wet, dry, submerged
D. Wet, saturated, submerged, dry

Answer: Option C

Explanation:

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48. 

What does the critical path in PERT represent ?
1. The shortest path for the earliest completion of the project.
2. The longest path of the network from the initial to final event,

A. 1 only
B. 2 only
C. Both 1 and 2
D. Neither 1 nor 2

Answer: Option B

Explanation:

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49. 

A simply supported beam of constant width and varying depth and uniform strength is subjected to a central concentrated load. The depth of the beam dx at a distance x from one of the supports is proportional to

A. x1/2
B. x1/3
C. x
D. x2

Answer: Option A

Explanation:

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50. 

In the given figure, the maximum bending moment at the fixed end of the cantilever caused by the UDL is M. The bending moment at section 1/5 from the free end is

A. 4%of M
B. 5% of M
C. 10%of M
D. 20% of M

Answer: Option A

Explanation:

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