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Civil Engineering - UPSC Civil Service Exam Questions

Exercise : UPSC Civil Service Exam Questions - Section 27
26.
A cohesionless soil having an angle of shearing resistance of φ, is standing at a slope angle of i. The factor of safety of the slope is tan i
tan i - tan φ
tan φ - tan i
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
Sewage sickness occurs when
Sewage contains pathogenic organisms
sewage enters the water supply system
sewers get clogged due to accumulation of solids
voids of soil get closed due to continuous application of sewage on a piece of land
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.
A steel cable of 2 cm diameter is used to lift a load of 500π kg. Given that, E = 2 x 106 kg/cm2 and the length of the cable is 10 m, the elongation of the cable due to the load will be
0.5 cm
0.25
1 cm
1/π cm
Answer: Option
Explanation:
No answer description is available. Let's discuss.
29.
Consider the following statements regarding tensile test diagrams for carbon steel with varying carbon contents :
As the carbon content increases
1. the ultimate strength of steel decreases
2. the elongation before fracture increases
3. the ductility of the metal decreases
4. the ultimate strength increases.
Of these statements :
3 and 4 are correct
1 and 3 are correct
1, 2 and 3 are correct
1 and 2 are correct
Answer: Option
Explanation:
No answer description is available. Let's discuss.
30.
Negative skin friction on a pile under vertical compressive load acts
downwards and increases the load carrying capacity of the pile
downwards and reduces the load carrying capacity of the pile
upwards and increases the load carrying capacity of the pile
downwards and maintains the same load carrying capacity of the pile
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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