The torsional rigidity of a shaft is given by T/J T/? T/r T/G

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Question
The torsional rigidity of a shaft is given by
Options
A. T/J
B. T/?
C. T/r
D. T/G

Correct Answer

T/?

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2. When a bar of length l, width b and thickness t is subjected to a push of P, its
Options
A. length, width and thickness increases
B. length, width and thickness decreases
C. length increases, width and thickness decreases
D. length decreases, width and tickness increases

5. A shaft of diameter D is subjected to a twisting moment (T) and a bending moment (M). If the maximum bending stress is equal to maximum shear stress developed, then M is equal to
Options
A. T/2
B. T
C. 2T
D. 4T

6. A circular shaft fixed at, A has diameter D for half of its length and diameter D/2 over the other half, as shown in the below figure. If the rotation of B relative to A is 0.1 radian, the rotation of C relative to B will be
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A. 0.4 radian
B. 0.8 radian
C. 1.6 radian
D. 3.2 radian

9. When a body is subjected to three mutually perpendicular stresses, of equal intensity, the ratio of direct stress to the corresponding volumetric strain is known as
Options
A. Young's modulus
B. modulus of rigidity
C. bulk modulus
D. Poisson's ratio

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