Strength of Materials

The value of shear stress which is induced in the shaft due to the applied couple varies____________________?

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The value of shear stress which is induced in the shaft due to the applied couple varies____________________?

A. from maximum at the center to zero at the circumference
B. from zero at the center to maximum at the circumference
C. from maximum at the center to mini-mum at the cricumference
D. from minimum at the centro to maxi-mum at the circumference
E. none of the above

The force acting along the circumference will cause stress in the walls in a direction normal to the longitudinal axis of cylinder; this stress is called___________________?

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The force acting along the circumference will cause stress in the walls in a direction normal to the longitudinal axis of cylinder; this stress is called___________________?

A. longitudinal stress
B. hoop stress
C. yeiled stress
D. ultimate stress
E. none of the above

In a prismatic member made of two materials so joined that they deform equally under axial stress, the unit stresses in two materials are ?

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In a prismatic member made of two materials so joined that they deform equally under axial stress, the unit stresses in two materials are ?

A. equal
B. proportional to their respective moduli of elasticity
C. inversely proportional to their moduli of elasticity
D. average of the sum of moduli of elas-ticity
E. none of the above