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GATE 2024 II Fluid Mechanics & Machinery II Rank Booster Quiz 16
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Question 1
A circular shaft subjected to torsion undergoes a twist of 1º in a length of 100 cm. If the maximum shear stress-induced is limited to 1000 kg/cm2 and modulus of rigidity G = 0.5 × 106 kg/cm2 then the radius of the shaft should be
Question 2
The polar section modulus of a hollow shaft is ___________ where, k is ratio of inner diameter to outer diameter of hollow shaft.
Question 3
A Hollow circular shaft of outer diameter 120 mm and inner diameter 80 mm is subjected to pure torsion. If total length of shaft is 1 m, then find the shear angle (in degrees) at outer surface of shaft. Angle of twist at free end is 5°.
Question 4
Which of the following option is correct torsional equation?
Question 5
A bar of length 2.1m and diameter 38mm is subjected to pure torsion. If the shear modulus of the material is 41GPa, calculate the torsional stiffness of the bar.
Question 6
Torsional shear stress at the center of solid shaft is
Question 7
The minimum shear stress in a hollow shaft of outer diameter 40 mm and thickness 5 mm subjected to a torque of 10 Nm will be
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