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Civil Engineering - UPSC Civil Service Exam Questions

Exercise : UPSC Civil Service Exam Questions - Section 3
16.
Total elongation of a prismatic bar of length L, weight W, cross-sectional area A and modulus of elasticity E, under its own weight, while hanging vertically, is
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
For a partially saturated soil, Δu the increase in pore water pressure, when no drainage is permitted, is expressed as (where A and B are Skempton's pore pressure parameters and Δσ1 and Δσ3 are major and minor principal stress increments)
Δu = B[Δσ3 + A(Δσ1 - Δσ3)]
Δu = A[Δσ3 + B(Δσ1 - Δσ3)]
Δu = Δσ3 + A(Δσ1 - Δσ3)]
Δu = Δσ3 + B(Δσ1 - Δσ3)]
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
The shear force diagram for a simple supported beam of span 'l' is given in the figure. The maximum bending moment is
Wl1
W(l - 2l1)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
A compound bar consisting of material A and B is tightly secured at the ends. The coefficients of thermal expansion of A is more than that of B. When the temperature is increased the stresses induced will be
tensile in both the materials
tensile in material A and compressive in material B
compressive in material A and tensile in material B
compressive in both the materials
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
Couple M is applied at C on a simply supported beam AB. What is the maximum shear force for the beam ?
Zero
M
2 M/3
M/3
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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