Exercise: Strength Of Materials

Questions for: Strength Of Materials

A column with maximum equivalent length has
A:
both ends hinged
B:
both ends fixed
C:
one end fixed and the other end hinged
D:
one end fixed and the other end free
Answer: D
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When a bar of length l, width b and thickness t is subjected to a pull of P, its
A:
length, width and thickness increases
B:
length, width and thickness decreases
C:
length increases, width and thickness decreases
D:
length decreases, width and thickness increases
Answer: C
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The unit of modulus of elasticity is same as those of
A:
stress, strain and pressure
B:
stress, force and modulus of rigidity
C:
strain, force and pressure
D:
stress, pressure and modulus of rigidity
Answer: D
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A shaft revolving at Ī‰ rad / s transmits torque (T) in N-m. The power developed is
A:
T.Ī‰ watts
B:
2 Ī€ TĪ‰ watts
C:
watts
D:
watts
Answer: A
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A bar of length L metres extends by l mm under a tensile force of P. The strain produced in the bar is
A:
l/L
B:
0.1 l/L
C:
0.01 l/L
D:
0.001 l/L
Answer: D
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