Which of the following is an inversion of four bar chain?
 

a. Coupled wheels of locomotive

b. Whitworth quick return mechanism

c. Reciprocating air compressor

d. Hand pump

  What is the primary function of mechanism?
 

a. Power transmission

b. Power absorption

c. Force transmission

d. Motion transmission

The friction experienced by a body, when in motion, is known as

The term 'force' may be defined as an agent which produces or tends to produce, destroys or tends to destroy motion.

coefficient of restitution for elastic bodies is one.

The range of projectile on a downward inclined plane is __________ the range on upward inclined plane for the same velocity of projection and angle of projection

Unit of thermal conductivity in M.K.S. units is
(a) kcal/kg m2 °C
(b) kcal-m/hr m2 °C
(c) kcal/hr m2 °C
(d) kcal-m/hr °C
(e) kcal-m/m2 °C.

Thermal conductivity of non-metallic amorphous solids with decrease in temperature
(a) increases
(b) decreases
(c) remains constant
(d) may increase or decrease depending on temperature
(e) unpredictable.