Modulus of rigidity is defined as the ratio of_________________?

A. Longitudinal stress and longitudinal strain
B. Volumetric stress and volumetric strain
C. Lateral stress and lateral strain
D. Shear stress and shear strain

It equal and opposite forces applied to a body tend to elongate it, the stress so produced is called______________________?

A. Internal resistanpe
B. Tensile stress
C. Transverse stress
D. Compressive stress

The unit of Young’s modulus is__________________?

A. Mm/mm
B. Kg/cm
C. Kg
D. Kg/cm2

Hooke’s law holds good up to____________________?

A. Yield point
B. Limit of proportionality
C. Breaking point
D. Elastic limit

Which of the following disciplines provides study of the relative motion between the parts of a machine and the forces acting on the parts__________________?

A. Theory of machines
B. Applied mechanics
C. Mechanisms
D. Kinetics

Which of the following is a lower pair_______________?

A. Ball and socket i
B. Piston and cylinder
C. Cam and follower
D. A. and b. above

The example of lower pair is_______________?

A. Shaft revolving in a bearing
B. Straight line motion mechanisms
C. Automobile steering gear
D. All of the above

A universal joint is an example of_____________________?

A. Higher pair
B. Lower pair
C. Rolling pair
D. Sliding pair

Pitch point on a cam is_________________?

A. Any point on pitch curve
B. The point on cam pitch curve having the maximum pressure angle
C. Any point on pitch circle
D. The point on cam pitch curve having the minimum pressure angle

The example of spherical pair is_____________________?

A. Bolt and nut
B. Lead screw of a lathe
C. Ball and socket joint
D. Ball bearing and roller bearing