Civil Engineering - UPSC Civil Service Exam Questions

31. 

In a design of storm sewers, if the time taken by rain-water to flow from the farthest point of the watershed to the sewer inlet is 'ti' and the time of flow of water from the sewer inlet to the point in the sewer that is under consideration is 'tf', then the time of concentration will be

A. ti
B. tf
C. ti + tf
D. ti or tf whichever is greater

Answer: Option C

Explanation:

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32. 

End A of the beam AB shown in the figure is on rollers and end B is hinged. C and D are the points on normals drawn at A and B to the beam at A and B respectively. To determine for reactions, funicular polygon must start at

A. A
B. B
C. C
D. D

Answer: Option B

Explanation:

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33. 

Which one of the following statements is correct ?
Cant deficiency is the difference between

A. actual cant provided at the time of construction and at the time of renewal.
B. the equilibrium cant necessary for the maximum permissible speed and actual cant provided.
C. cant required at maximum speed and minimum speed
D. two parallel rails after 10 years.

Answer: Option B

Explanation:

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34. 

Consider the following statements related to interchanges:
1. In diamond interchange there is the possibility of illegal wrong-way turns.
2. Diamond interchange is far superior to cloverleaf design.
Which of the statements given above is/are correct ?

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

Answer: Option A

Explanation:

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35. 

The frame shown is redundant to

A. single degree
B. two degree
C. three degrees
D. four degrees

Answer: Option A

Explanation:

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