Civil Engineering - UPSC Civil Service Exam Questions

1.
If an element is subjected to pure shearing stress τxy then the maximum principal stress is equal to
xy
τxy/2
τxy
1 - (τxy)2
Answer: Option
Explanation:
No answer description is available. Let's discuss.

2.
The wall friction of the retaining wall:
decreases active earth pressure but increases passive earth pressure
decreases passive earth pressure but increases active earth pressure
decreases both active and passive earth pressures
increases both active and passive earth pressures
Answer: Option
Explanation:
No answer description is available. Let's discuss.

3.
Consider the following statements :
The salient features of a bar chart over network are that :
1. It is simple to draw and easy to understand.
2. It is unable to depict interdependence of activities.
3. It clearly distinguishes between critical and non-critical activities.
4. It is not possible to crash activities to get optimum and minimum duration of the project.
Which of the following statements given above are correct ?
1, 2, 3 and 4
2 and 3
1, 2 and 4
1, 3 and 4
Answer: Option
Explanation:
No answer description is available. Let's discuss.

4.
Which one of the following is the best method for locating sounding to estimate the dredged material from the harbours ?
Two angles from shore
Two angles from boat
One angle from shore and other from the boat
Fixed intersecting ranges
Answer: Option
Explanation:
No answer description is available. Let's discuss.

5.
An open channel carrying super critical flow is provided with a smooth expansion along the direction of flow. When no other considerations interfere, then the water surface.
before transition will rise
after transition will rise
before transition will drop
after transition will drop
Answer: Option
Explanation:
No answer description is available. Let's discuss.