# Civil Engineering - UPSC Civil Service Exam Questions

6.
For one cubic metre of brick masonry, the number of modular bricks needed is
400 or less
400 to 450
500 to 550
600 to 650
Explanation:
No answer description is available. Let's discuss.

7.
To produce low heat cements, it is necessary to reduce the compound
C3S
C2S
C3A
C4AF
Explanation:
No answer description is available. Let's discuss.

8.
The probability that the load on a scaffolding will exceed the design load of 3 tonnes is 0.15. At the same time, the probability that the strength of the scaffolding will be more than 3 tonnes is 0.85. The probability that the scaffolding will fail is
0.2775
0.1275
0.0225
0.0020
Explanation:
No answer description is available. Let's discuss.

9.
The dry density of a soil is 1.5 g/cc. If the saturation water content were 50%, then its saturated density and submerged density would, respectively, be
1.5 g/cc and 1.0 g/cc
2.0 g/cc and 1.0 g/cc
2.25 g/cc and 1.25 g/cc
2.0 g/cc and 1.50 g/cc
Explanation:
No answer description is available. Let's discuss.

10.
Consider the following soil parameters and conditions :
1. Drainage conditions
2. Thickness of layer
3. Initial void ratio
4. Over-burden pressure
The magnitude of settlement is influenced by,
1, 2 and 3
2, 3 and 4
1, 3 and 4
1, 3 and 4