Civil Engineering MCQs

A. Coplanar
B. Meet at one point ;
C. Both a. and b. above
D. All be equal

A. Limiting friction
B. Sliding friction
C. Rolling friction
D. Kinematic friction

A. Balance each other
B. Cannot balance each other
C. Produce moment of a couple
D. Are equivalent

A. R/2
B. R/a
C. R/%
D. 0.134 r

A. Wtan(a + )
B. Wtan(a-)
C. Wcos(a + )
D. Wsin(a + )

A. Kinetic friction
B. Limiting friction
C. Angle of repose
D. Coefficient of friction

A. Bodies having relative motion
B. Two dry surfaces
C. Two lubricated surfaces
D. Solids and liquids

A. 0°
B. 30°
C. 45°
D. 60°

A. 3t2-lt
B. 3t2+2t
C. 6f-8
D. 6f-4

A. Proportional to normal load between the surfaces
B. Dependent on the materials of contact surface
C. Proportional to velocity of sliding
D. Independent of the area of contact surfaces