Exercise: Strength Of Materials

Questions for: Strength Of Materials

A joint of a frame is subjected to three tensile force P, Q and R equally inclined to each other. If P is 10 tonnes, the other forces will be
A:
Q = 10 tonnes and R = zero
B:
R + 10 tonnes and Q = zero
C:
Q + R = 10 tonnes
D:
Q - R = zero
Answer: E
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Along the neutral axis of a simply supported beam
A:
fibres do not undergo strain
B:
fibres undergo minimum strain
C:
fibres undergo maximum strain
D:
none of these.
Answer: A
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In a shaft shear stress intensity at a point is not
A:
directly proportional to the distance from the axis
B:
inversely proportional to the distance from the axis
C:
inversely proportional to the polar moment of inertia
D:
directly proportional to the applied torque.
Answer: B
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The force in the member DE of the truss shown in below figure will be
A:
zero
B:
2 W tensile
C:
2 W compressive
D:
4 W compressive
Answer: C
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The ratio of the tensile stress developed in the wall of a boiler in the circumferential direction to the tensile stress in the axial direction, is
A:
4
B:
3
C:
2
D:
1
Answer: C
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