A. bearing stresses
B. fatigue stresses
C. crushing stresses
D. resultant stresses
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. 0°
B. 30°
C. 45°
D. 60°
E. 90°.
A. bodies having relative motion
B. two dry surfaces
C. two lubricated surfaces
D. solids and liquids
E. electrically charged particles
A. r/2
B. r/A
C. r/%
D. 0.134 r
E. 3r/8
A. balance each other
B. cannot balance each other
C. produce moment of a couple
D. are equivalent
E. none of the above
A. limiting friction
B. sliding friction
C. rolling friction
D. kinematic friction
E. dynamic friction
A. coplanar
B. meet at one point ;
C. both A. and B. above
D. all be equal
E. something else
A. j-2
B. 2j-l
C. 2/-3
C. 3/-2
E. 2/ -4
A. 25
B. 50
C. 100
D. 250
E. 500