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MP Sub-Engineer ME: Torsion Quiz 17
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Question 1
For a circular shaft of diameter d subjected to torque T, the maximum value of the shear stress is:
Question 2
A solid shaft transmits 42 kW power at 700 rad/s. Calculate the torque transmitted.
Question 3
The torsion bars in parallel have (assume no slipping between bars) ______.
Question 4
A shaft of diameter D is subjected to a torque T. To have the angle of twist four times as that before, the percentage reduction in diameter needed is ________.
Question 5
A circular solid bar of diameter 40mm and length 1.3m is subjected to a twisting moment of 340 N-m. If the modulus of rigidity of the bar is 80 GPa, then the angle of twist is(in degree)
Question 6
A 40 mm diameter shaft is driven at 10 Hz by a motor delivering 30 KW of power. The maximum shear stress in the shaft is
Question 7
Polar moment of inertia of a hollow shaft having D and d as outer and inner diameters, is given by ________.
Question 8
The torque transmitted by a thick tube 6 cm internal diameter and 5 mm thick when the shear stress is not to exceed 41 MPa and length of the tube is 2.5 m. the shear stress at the inner periphery will be (assume G = 80 GPa)
Question 9
For a circular shaft under torsion, shear stress values at the centre of the shaft is ________.
Question 10
If G is modulus of rigidity, J is the polar moment of inertia and L is the length of the shaft, then torsional rigidity is given by the expression:
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