Pressure in Liquids Quiz with Answers PDF Download – Test 57

MCQ 281: A 15 N force exerted on a small piston of area 0.025 m². The large piston has the area of 0.05 m². What is the force exerted by the large piston on the load?

1. 500 N
2. 200 N
3. 300 N
4. 150 N

MCQ 282: The amount of thermal energy required to change 1 Kg of the solid to liquid, or vice versa, without any temperature change is known as:

1. specific latent heat of fusion
2. latent heat of vaporization
3. latent heat of fusion of a solid
4. specific latent heat of vaporization

MCQ 283: When the speed of an object changes, its velocity:

1. becomes zero
2. remains constant
3. also changes
4. decreases

MCQ 284: The state of matter in which the particles have very little attraction between them and move about randomly at a very high speed is called:

1. liquids
2. solids
3. both solids and gases
4. gases

MCQ 285: The rate of evaporation increases when temperature:

1. is zero
2. is negative
3. decreases
4. increases