Civil Engineering - UPSC Civil Service Exam Questions

6. 

Lime stabilisation method is particularly suitably and has been found successful in stabilising

A. clayey soil with expansive nature in water-logged areas
B. sandy desertic area
C. soils having liquid limit less than 30%
D. wind-blown soil deposits

Answer: Option A

Explanation:

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7. 

The optimistic, most likely and pessimistic time estimates of an activity are 5, 10 and 21 days respectively. What are the expected time and standard deviation ?

A. 12, 3
B. 11, 4
C. 11,
D. 10, 16

Answer: Option C

Explanation:

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8. 

What is the minimum number of longitudinal bars provided in a reinforced concrete column of circular cross section?

A. 4
B. 5
C. 6
D. 8

Answer: Option C

Explanation:

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9. 

The odour of drying paint or varnish is derived from which of the following chemical compounds?

A. Organic gases
B. Volatile organic compounds
C. Ethylene
D. Acetylene

Answer: Option C

Explanation:

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10. 

D'Alembert's principle

A. is based on the law of conservation of energy
B. is based on the law of conservation of angular momentum
C. provides no special advantage over Newton's law
D. enables a dynamic problem to be treated akin to a problem of statics

Answer: Option D

Explanation:

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