# Civil Engineering - UPSC Civil Service Exam Questions

6.

The velocity distribution for flow over a plate is given by u = 0.5 y - y2 where u is the velocity in m/s at a distance y metre above the plate. If the dynamic viscosity of the fluid is 0.9 N/m2, then what is the shear stress at 0.20 m from the boundary?

 A. 0.9 N/m2 B. 1.8 N/m2 C. 2.25 N/m2 D. 0.09 N/m2

Explanation:

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7.

Consider the following :
1. Initial consolidation.
2. Primary consolidation.
3. Secondary consolidation.
4. Final consolidation.
The three stages which would be relevant to consolidation of a soil deposit includes

 A. 1, 2 and 3 B. 2, 3 and 4 C. 1, 3 and 4 D. 1, 2 and 4

Explanation:

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8.

Consider the following statements :
1. Mastic asphalt is a mixture of hard grade bitumen or blown bitumen, minerals filter and fine aggregates.
2. % of binder content in the mastic asphalt is 17-20 percent by weight of the aggregates. Which of the statements given above is/are correct ?

 A. 1 only B. 2 only C. Both 1 and 2 D. Neither 1 nor 2

Explanation:

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9.

An element is subjected to stress as given in figure. For this state of stress, what is the maximum shear stress ? A. 2.5 MPa B. 5 MPa C. 10 MPa D. 15 MPa

Explanation:

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10.

What is the maximum possible value of Poisson's ratio for a non-dilatant material ?

 A. 0.67 B. 0.5 C. 0.33 D. 0.25