Strength of Materials MCQs with answers PDF for test preparation. Includes Strength of Materials MCQs PDF download, Strength of Materials multiple choice questions PDF, and 1000 solved problems in Strength of Materials PDF download.
Tangent of angle of friction is equal to ____ ?
A. friction force
B. coefficient of friction
C. kinetic friction
D. limiting frictionEffort required to lift a load W on a screw jack with helix angle a and angle of friction?
A. Wcos(a + )
B. Wsin(a + )
C. Wtan(a + )
D. Wtan(a-)A particle inside a hollow sphere of radius r, having coefficient of friction -rr can rest upto height of ____ ?
A. 0.134 r
B. 3r/8
C. r/2
D. r/AA single force and a couple acting in the same plane upon a rigid body ____ ?
A. produce moment of a couple
B. are equivalent
C. balance each other
D. cannot balance each otherMaximum frictional force which comes into play when a body just begins to slide over another surface is called ______ ?
A. rolling friction
B. kinematic friction
C. limiting friction
D. sliding frictionNecessary condition for forces to be in equilibrium is that these should be_____ ?
A. meet at one point
B. coplanar
C. both A. and B
D. None of themIf n = number of members andy = number of joints, then for a perfect frame, n = _____ ?
A. 3/-2
B. 2/ -4
C. j-2
D. 2/-3A flywheel on a motor goes from rest to 1000 rpm in 6 sec. The number of revolutions made is nearly equal to ___ ?
A. 100
B. 24
C. 50
D. 160Coefficient of friction depends on ____ ?
A. strength of surfaces
B. nature of surface
C. area of contact
D. All of themRatio of limiting friction and normal reaction is known as _____ ?
A. angle of repose
B. sliding friction
C. coefficient of friction
D. angle of friction