Civil Engineering - UPSC Civil Service Exam Questions

11. 

For sampling saturated sands and other soft and wet soils satisfactorily, the most suitable soil sampler is

A. open drive thin-walled tube sampler
B. standard split-spoon sampler
C. stationary piston sampler
D. rotary sampler

Answer: Option A

Explanation:

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

12. 

A 30 cm diameter friction pile is embedded 10 m into a homogeneous consolidated deposit. Unit adhesion developed between clay and pile shaft is 4 t/m2 and adhesion factor is 0.7. The safe load for factor of safety 2.5 will be

A. 21.50 t
B. 11.57 t
C. 10.55 t
D. 6.35 t

Answer: Option C

Explanation:

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

13. 

Consider the following statements :
1. Point of contraflexure is the point where the bending moment is maximum.
2. Point of cantraflexure is the point where the bending moment changes sign.
3. Point of contraflexure is the point where the shear force is zero.
Which of these statements is/are correct ?

A. 1, 2 and 3
B. 2 and 3
C. 2 only
D. 1 only

Answer: Option B

Explanation:

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

14. 

What is the significant purpose of monitoring a project through its implementation phase ?

A. To fix responsibility for delays
B. To revalue the project with control over cost over-run
C. To revalue the project with minimum time over-run
D. To revalue the project with optimal time and cost over-run

Answer: Option D

Explanation:

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

15. 

The yield of a well depends upon

A. permeability of soil
B. area of aquifer opening into the wells
C. actual flow velocity
D. all of the above

Answer: Option D

Explanation:

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