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Civil Engineering - UPSC Civil Service Exam Questions

Exercise : UPSC Civil Service Exam Questions - Section 24
16.
A close-coiled helical spring has 100 mm mean diameter and is mada of 20 turns to 10 mm diameter steel wire. The spring carries an axial load of 100 N Modulus of rigidity is 84 GPa. The shearing stress developed in the spring in N/mm2 is
120/π
160/π
100/π
80/π
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
Consider the following statements pertaining to plane table survey :
1. Two-point problem is solved by mechanical method.
2. Three-point problem is solved by Bessel's method.
3. In two point problem, auxiliary station is required.
Of these statements :
1 and 2 are correct
1 and 3 arc correct
2 and 3 are correct
1, 2 and 3 are correct
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
If a member is subjected to tensile stress of px, compressive stress of py and tensile stress of pz along the x, y and z directions respectively, then the resultant strain 'ex' along the 'x' direction would be (E is Young's modulus of elasticity, μ is Poisson's ratio)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
A cantilever is subjected to a uniformly distributed load W over its whole length 'L' and a concentrated upward force W at its free end. The deflection of the free end is
zero
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
The local sidereal time (LST) is always
ahead of the local mean time (LMT) by about 2 hours per month
behind LMT by about 2 hours per month
ahead of LMT by about 4 hours per month
equal to LMT
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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