Civil Engineering - UPSC Civil Service Exam Questions

41. 

The force in member 1 of the truss shown in the given figure is

A. 4T compressive
B. 36T tensile
C. 16T tensile
D. 20T tensile

Answer: Option C

Explanation:

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42. 

High alumina cement is produced by fusing together a mixture of

A. limestone and bauxite
B. limestone, bauxite and gypsum
C. limestone, gypsum and clay
D. limestone, gypsum, bauxite, clay and chalk

Answer: Option A

Explanation:

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43. 

The declination of a star is 21° 15' N at a latitude of 43° 30' N. The zenith distance at the upper culmination is

A. 22° 15'
B. 21° 15'
C. 64° 45'
D. 43° 30'

Answer: Option A

Explanation:

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44. 

Consider the following statements :
Ventilation of sewer lines is necessary to
1. avoid building up to sewer gases.
2. ensure atmospheric pressure in the waste water surface.
3. ensure the safety of sewer maintenance people.
4. provide oxidation facility to sewage.
Which of these statements are correct ?

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

Answer: Option D

Explanation:

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45. 

For fish habitat in a river, the minimum dissolved oxygen required is

A. 2 mg/l
B. 4 mg/l
C. 8 mg/l
D. 10 mgl

Answer: Option B

Explanation:

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