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Mechanical Engineering - Strength of Materials

Exercise : Strength of Materials - Section 3
1.
The shear force and bending moment are zero at the free end of a cantilever beam, if it carries a
point load at the free end
point load at the middle of its length
uniformly distributed load over the whole length
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
A rod is enclosed centrally in a tube and the assembly is tightened by rigid washers. If the assembly is subjected to a compressive load, then
rod is under compression
tube is under compression
both rod and tube are under compression
tube is under tension and rod is under compression
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
A bar of length L metres extends by l mm under a tensile force of P. The strain produced in the bar is
l/L
0.1 l/L
0.01 l/L
0.001 l/L
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
A shaft revolving at ω rad / s transmits torque (T) in N-m. The power developed is
T.ω watts
2 π Tω watts
watts
watts
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
The unit of modulus of elasticity is same as those of
stress, strain and pressure
stress, force and modulus of rigidity
strain, force and pressure
stress, pressure and modulus of rigidity
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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