Mechanical Engineering Mcqs
Shear stress induced in a shaft subjected to tension will be__________________?

A. maximum at periphery and zero at center
B. maximum at center
C. uniform throughout
D. average value in center

A key is subjected to side pressure as well at shearing forces. These pressures are called_________________?

A. Bearing stresses
B. Fatigue stresses
C. Crushing stresses
D. Resultant stresses

The torsional rigidity of a shaft is expressed by the_______________?

A. Maximum torque it can transmit
B. Number of cycles it undergoes before failure
C. Elastic limit up to which it resists torsion, shear and bending stresses
D. Torque required to produce a twist of one radian per unit length of shaft

Longitudinal stress in a thin cylinder is__________________?

A. Equal to the hoop stress
B. Twice the hoop stress
C. Half of the hoop stress
D. One-fourth of hoop stress

A riveted joint in which every rivet of a row is opposite to other rivet of the outer row, is known as______________________?

A. Chain riveted joint
B. Diamond riveted joint
C. Criss-cross riveted joint
D. Zig-zag riveted joint