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Mechanical Engineering - Strength of Materials

Exercise : Strength of Materials - Section 2
21.
The Poisson's ratio for cast iron varies from
0.33 to 0.37
0.21 to 0.26
0.31 to 0.34
0.32 to 0.42
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
The Rankine's theory for active earth pressure is based on the assumption that
the retained material is homogeneous and cohesionless
the frictional resistance between the retaining wall and the retained material is neglected
the failure of the retained material takes place along a plane called rupture plane
all of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
The strain energy stored in a spring, when subjected to maximum load, without suffering permanent distortion, is known as
impact energy
proof resilience
proof stress
modulus of resilience
Answer: Option
Explanation:
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24.
An overhanging beam must overhang on both sides.
Correct
Incorrect
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
The resultant stress on an inclined plane which is inclined at an angle θ to the normal cross-section of a body which is subjected to a direct tensile stress (σ) in one plane, is
σ sin θ
σ cos θ
σ sin 2θ
σ cos 2θ
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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