Civil Engineering - UPSC Civil Service Exam Questions

31. 

What is the value of camber rate that should be provided in case of WBM pavement surface in an area of heavy rainfall ?

A. 1 in 30
B. 1 in 48
C. 1 in 60
D. 1 in 72

Answer: Option A

Explanation:

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32. 

In the given figure, the latitude of the place of observation will be equal to declination of the star plus its co-altitude when the position of the star on the meridian is between

A. horizon and Pole
B. horizon and equator
C. equator and zenith
D. Pole and zenith

Answer: Option B

Explanation:

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33. 

The following are the sewage treatment processes :
1. Primary sedimentation
2. Screening
3. Grit removal
4. Secondary sedimentation.
When only preliminary treatment is to be given for sewage, select the required treatment proceses including their correct sequence from the codes given below:

A. 2, 3
B. 2, 3, 1
C. 1, 2, 3, 4
D. 3, 1, 2, 4

Answer: Option B

Explanation:

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34. 

Consider the AoA network of a project shown in the given figure. (Activities are designated by alphabets and durations are shown around the stem of the arrow.) The critical path will be

A. 1-2-3-6-7-8
B. 1-2-3-5-7-8
C. 1-2-4-5-7-8
D. 1-2-4-6-7-8

Answer: Option B

Explanation:

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35. 

Consider the following statements regarding the working stress design of under-reinforced RC sections:
1. The neutral axis depth will be greater than that of a balanced section
2. The stress in steel in tension will reach its maximum permissible value first
3. The moment of resistance will be less than that of the balanced section
4. The concrete on'the tension side is also to be considered for calculating the moment of resistance of the section.
Of these statement :

A. 1 and 2 are correct
B. 1 and 4 are correct
C. 3 and 4 are correct
D. 2 and 3 are correct

Answer: Option B

Explanation:

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