# Civil Engineering - UPSC Civil Service Exam Questions

6.
While driving a large number of piles in loose sand :
It is advantageous to follow a sequence of pile driving such that the inner piles are driven first and then proceed outwards
It is advantageous to follow a sequence of pile driving such that the piles near the periphery are driven first and inner piles are driven later
It is advantageous to follow a sequence of pile driving such that alternately inner and outer piles are driven
Driving of piles can be done in any random order
Explanation:
No answer description is available. Let's discuss.

7.
Surface tension of water when in contact with air is 0.0737 N/m. The difference of pressure between the inside and outside of a droplet of rain water 1 mm in diameter is nearly equal to
0.15 kN/m2
0.20 kN/m2
0.25 kN/m2
0.30 kN/m2
Explanation:
No answer description is available. Let's discuss.

8.
The upstream slope of an earth dam under steady seepage condition is
equipotential line
phreaticline
flow-line
seepage line
Explanation:
No answer description is available. Let's discuss.

9.
What are the magnitudes of horizontal and vertical support reactions, respectively at support. A of the frame shown in figure below ?
16 kN, 18 kN
16 kN, 6 kN
6 kN, 16 kN
8 kN, 6 kN
Explanation:
No answer description is available. Let's discuss.

10.
Consider the following statements :
Shrinkage of concrete depends upon the
1. relative humidity of the atmosphere.
2. passage of time.
3. applied stress.
Which of these statements is/are correct ?
1 and 2
2 and 3
1 alone
1, 2 and 3