Civil Engineering - UPSC Civil Service Exam Questions

1. 

A saturated clay stratum of thickness 10 m, bounded on top and bottom by medium coarse sand layers, has a coefficient of consolidation of 0.002 cm2/s. If this stratum is subjected to loading, it is likely that it would undergo 50% of its primary consolidation in

A. 1136 days
B. 227 days
C. 284 days
D. 568 days

Answer: Option C

Explanation:

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

2. 

In a plane truss, if 'M' is the number of members, 'R' is the number of reactions and 'J' is the number of joints, then for this truss to be determinate

A. J = M + R
B. J = 2M + R
C. 3J = M + 2R
D. 2J = M + R

Answer: Option D

Explanation:

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

3. 

Which one of the following methods is generally considered the best for tunnel ventilation ?

A. Driving a drift through the tunnel
B. 'Blow in' method
C. 'Blow out' method
D. Combination of 'Blow in' and 'Blow out' methods

Answer: Option D

Explanation:

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

4. 

A circular shaft subjected to torsion undergoes a twist of 1° in a length of 120 cm. If the maximum shear stress induced is limited to 1000 kg/cm2 and if modulus of rigidity G = 0.8 x 106 kg/cm2, then the radius of the shaft should be

A. π/18
B. 18/π
C. π/27
D. 27/π

Answer: Option D

Explanation:

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

5. 

Which one of the following types of sleepers has the best shock absorbing capacity as well as dampening property ?

A. CST sleeper
B. Wooden sleeper
C. Concrete sleeper
D. Steel sleeper

Answer: Option C

Explanation:

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

1 2 3 4 5 6 7 8 9 10 Next »