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Civil Engineering - UPSC Civil Service Exam Questions

Exercise : UPSC Civil Service Exam Questions - Section 19
16.
The resultant of the coplanar, concurrent system of forces F1, F2, F3 and F4 shown in the above figure is
20kN acting vertically upwards
zero
20 kN acting vertically downwards
20 kN acting horizontally from left to right
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
During seepage through an earth mass, the direction of seepage is
parallel to the equipotential lines
perpendicular to the stream lines
perpendicular1 to the equipotential lines
along the direction of gravity
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
Consider the following statements :
The effect of sea water on hardened concrete is to
1. increase its strength
2. reduce its strength
3. retard setting
4. decrease its durability.
Of these statements :
1 and 3 are correct
2 and 3 are correct
2 and 4 are correct
1 and 4 are correct
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
A doubly reinforced concrete beam has effective cover d' to the centre of compression reinforcement. xu is the depth of neutral axis, and d is the effective depth to the centre of tension reinforcement. What is the maximum strain in concrete at the level of compression reinforcement?
0.0035 (1 - d'/d)
0.0035(1 - d'/xu)
0.002(1 - d'/xu)
0.002(1 - d'/d)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
By what percentage is length of a runway increased for every 300 m rise above M.S.L. ?
3%
4%
6%
7%
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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