Civil Engineering - UPSC Civil Service Exam Questions

36. 

Which one of the following expresses the degree of disturbance of undisturbed clay sample due to remoulding ?

A. Thixotropy
B. Dilatancy
C. Sensivity
D. Plasticity

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

37. 

For strengthening a 50 m long and 5 m high straight compound wall built in brick work, which one of the following would be most suitable ?

A. Providing buttresses at certain intervals
B. Providing a deeper foundation
C. Using a richer mortar
D. Using stronger bricks

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

38. 

Why are tie plates provided is laced columns ?

A. To check the buckling of column as whole
B. To check the buckling of the lacing flats
C. To check the buckling of the component columns
D. To check the distortion of the end cross sections

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

39. 

Which of the following treatments reduce salinity of water ?
1. Flocculation and sedimentation
2. Filtration
3. Reverse osomasis
4. Electrodialysis
Select the correct answer using the codes given below :

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

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

40. 

A deposit of fine sand has a porosity 'n' and specific gravity of soil solids is G. The hydraulic gradient of the deposit to develop boiling condition of sand is given by

A. ic = (G - 1)(1 - n)
B. ic = (G - 1)(1 + n)
C.
D.

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.