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
E. none of the above
A. maximum at periphery and zero at center
B. maximum at center
C. uniform throughout
D. average value in center
E. none of the above
A. 2n-3
B. n-l
C. ‘2n-l
D. n – 2
E. 3n-2
where n = number of joints in a frame
A. ultimate tensile stress
B. proof stress
C. stress at yield point
D. stress at elastic limit
E. tensile stress
A. balance each other
B. cannot balance each other
C. produce moment of a couple
D. are equivalent
E. none of the above
A. of same magnitude as that of bar and applied at the lower end
B. half the weight of bar applied at lower end
C. half of the square of weight of bar applied at lower end
D. one-fourth of weight of bar applied at lower end
E. none of the above
A. tangent of angle between normal reac-tion and the resultant of normal reac-tion and the limiting friction
B. ratio of limiting friction and normal reaction
C. the friction force acting when the body is just about to move
D. the friction force acting when the body is in motion
E. dynamic friction
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
E. maximum power it can transmit at highest possible-speed