# Civil Engineering - GATE Exam Questions

### Exercise :: GATE Exam Questions - Section 5

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

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.

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

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

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