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

Answer: Option D

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

Answer: Option A

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

Answer: Option C

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

Answer: Option B

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. 0.50
C. 0.33
D. 0.25

Answer: Option C

Explanation:

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