Latent Heat MCQ with Answers PDF Download – Test 36

MCQ 176: During the evaporation process, the thermal energy is used from:

1. the surface of the liquid
2. the surroundings
3. the bottom through the base
4. the whole liquid

MCQ 177: A car covers a distance of 5 km in 5 mins, its average speed is equal to:

1. 1 km ⁄ h
2. 25 km ⁄ h
3. 60 km ⁄ h
4. None of the above

MCQ 178: Melting is the change of state:

1. from solid to liquid with change in temperature of 25 °C
2. from liquid to gas with change in temperature of 75 °C
3. from solid to liquid without change in temperature
4. from liquid to gas without change in temperature

MCQ 179: With respect to heat transfer through conduction, which of the following inequalities place solids', 'liquids' and 'gases' in the right order?

1. Solids < liquids < gases
2. Solids < gases < liquids
3. Solids > gases > liquids
4. Solids > liquids > gases

MCQ 180: The state of equilibrium is when:

1. there is no opposing force
2. there is no force acting on an object
3. the object is moving in uniform speed
4. B and C both