Civil Engineering - UPSC Civil Service Exam Questions

16. 

Which one of the following is not related to theories of creep of rails ?

A. Wave theory
B. Percussion theory
C. Drag theory
D. Reversal theory

Answer: Option D

Explanation:

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17. 

Preliminary project report for a road project must contain

A. the detailed estimated cost based on detailed design
B. the several alternatives of the project that have been considered
C. the soil survey, traffic survey, concept design and approximate cost
D. these contract documents for inviting tenders

Answer: Option C

Explanation:

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18. 

The final deflection due to all loads including the effects of temperature, creep and shrinkage and measured from as-cast level of supports of floors, roofs and all other horizontal members should NOT exceed

A. span/350
B. span/300
C. span/250
D. span/200

Answer: Option C

Explanation:

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19. 

Why are bricks soaked in water before using in brick masonry ?

A. For removing dust
B. For reducing air voids
C. For preventing depletion of moisture from mortar
D. For reducing efflorescence

Answer: Option C

Explanation:

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20. 

A bed of sand consists of three horizontal layers of equal thickness. The value of Darcy's k for the upper and lower layers is 1 x 10-2 cm/sec and that for the middle layer is 1 x 10-1 cm/sec. The ratio of the permeability of the bed in the horizontal direction to that in the vertical direction is

A. 10.0 to 1
B. 2.8 to 1
C. 2.0 to 1
D. 1 to 10

Answer: Option B

Explanation:

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