Civil Engineering - UPSC Civil Service Exam Questions

6. 

The figure shows a rigid frame fixed at A and hinged at C.
If a pure moment of 20 kNm is applied at B in the plane of the figure, then what is the moment at the fixed end A?

A. 10 kNm
B. 7.5 kNm
C. 5 kNm
D. 2.5 kNm

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

7. 

The effective throat thickness in mm of a 6 mm size fillet weld with an angle of 75° between the fusion faces is

A. 3.6
B. 4.0
C. 4.2
D. 4.5

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

8. 

Which one of the following is the correct statement ? A streamlined body is one for which the

A. skin friction is zero.
B. thickness of the body is less than 1/100 of its length
C. corners are rounded off.
D. separation occurs, if at all, at the farthest downstream part of the body.

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

9. 

The correct sequence of plasticity of min-erals in soil in an increasing order is

A. Silica, Kaolinite, Illite, Montmorillonite
B. Kaolinite, Silica, Illite, Montmorillonite
C. Silica, Kaolinite, Montmorillonite, Illite
D. Kaolinite, Silica, Montmorillonite, Illite

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

10. 

Why is a proportional flow weir provided in a grit chamber ?

A. To reduce the suspended solids entering into the grit chamber
B. To maintain the constant flow depth in the grit chamber
C. To take care of maintaining constant flow velocity in the grit chamber over a certain depth range
D. To allow the sewage afresh into the grit chamber

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.