Civil Engineering - UPSC Civil Service Exam Questions

11. 

Under load, the void ratio of a submerged saturated clay decreases from 1.00 to 0.92. What will be the ultimate settlement of the 2 m thick clay due to consolidation ?

A. 20 mm
B. 40 mm
C. 80 mm
D. 160 mm

Answer: Option C

Explanation:

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12. 

Ultimate strength of cement is influenced by which one of the following ?

A. Tricalcium silicate
B. Dicalcium silicate
C. Tricalcium aluminate
D. Tetracalcium alumino-ferrite

Answer: Option B

Explanation:

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13. 

Among the following, which is/are not pre-treatment unit (s) ?

A. Bar screen and grit chamber
B. Flow equalization and proportioning tank
C. Neutralization for pH adjustment tank
D. Nutrient removal tank

Answer: Option A

Explanation:

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14. 

A solid sphere will be in stable equilibrium if its centre of gravity lies

A. vertically above its geometric centre
B. vertically below its geometric centre
C. on the horizontal line through its centre
D. at the centre

Answer: Option A

Explanation:

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15. 

The reaction at B due to the load as shown the given figure is

A.
B.
C. 2 W
D. 3 W

Answer: Option A

Explanation:

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