When a shaft, is subjected to torsion, the shear stress induced in the shaft var

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Question
When a shaft, is subjected to torsion, the shear stress induced in the shaft varies from
Options
A. minimum at the centre to maximum at the circumference
B. maximum at the centre to minimum at the circumference
C. zero at the centre to maximum at the circumference
D. maximum at the centre to zero at the circumference

Correct Answer

zero at the centre to maximum at the circumference

Strength of Materials problems

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4. Young's modulus may be defined as the ratio of
Options
A. linear stress to lateral strain
B. lateral strain to linear strain
C. linear stress to linear strain
D. shear stress to shear strain

5. A simply supported beam of length l carries a point load W at a point C as shown in the below figure. The maximum deflection lies at
Options
A. point A
B. point B
C. point C
D. between points B and C

6. 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

9. 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

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