Civil Engineering - GATE Exam Questions

36. 

The total thickness of pavement by CBR method depends on the CBR value of

A. base course
B. surface course
C. subgrade
D. all layers

Answer: Option D

Explanation:

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37. 

The standard plate size in a plate bearing test for finding modulus of subgrade reaction (k) value is

A. 100 cm diameter.
B. 50 cm diameter.
C. 75 cm diameter.
D. 25 cm diameter.

Answer: Option C

Explanation:

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38. 

The strain energy stored in member AB of the pin-jointed truss shown in the below figure, when E and A are same for all members, is

A. 2P2L/AE
B. P2L/AE
C. P2L/2AE
D. Zero

Answer: Option C

Explanation:

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39. 

In a river, discharge is 173 m3/s; water surface slope is 1 in 6000; and stage at the gauge station is 10.0 m. If during a flood, the stage at the gauge station is same and the water surface slope is 1 in 2000, the flood discharge in m3/s, is approximately

A. 371
B. 100
C. 519
D. 300

Answer: Option D

Explanation:

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40. 

In an area of 200 hectare, water table drops by 4 m. If the porosity is 0.35 and the specific retention is 0.15, change in volume of storage in the aquifer is

A. 160 m3
B. 1.6 x 106 m
C. 8 x 106 m3
D. 1.6 x 103 m3

Answer: Option B

Explanation:

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