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GATE 2019: Strength of Material Quiz 9
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Question 1
For the system shown below, the natural frequency of system is _______ rad/s.
Consider force F=143 N on disc and G=100GPa
Consider force F=143 N on disc and G=100GPa
Question 2
For a circular shaft of diameter d subjected to torque T, the maximum value of the shear stress is:
Question 3
A solid shaft of diameter d and length L is fixed at both the ends. A torque, T0 is applied at a distance, L/4 from the left end as shown in the figure given below.
The magnitude of maximum shear stress induced in the shaft is
The magnitude of maximum shear stress induced in the shaft is
Question 4
A torque T is applied at the free end of a stepped rod of circular cross-sections as shown in the figure. The shear modulus of the material of the rod is G. The expression for d to produce an angular twist at the free end is
Question 5
A 30 mm dameter shaft is driven at 12 Hz by a motor delivering 25 kW of power. The maximum shear stress in the shaft is
Question 6
A shaft with a varying radius which varies linearly from 2R to R. A torsional load T is being applied on the free end of the shaft. What is the angle of rotation of the free end of the shaft?
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