RRB JE Mock Test 2019

1. Energy used in solar cookers, solar distillation plants, solar power plants is known as   (2)

1. 1. Chemical energy
2. 2. Solar energy
3. 3. Thermal energy
4. 4. Nuclear energy

2. One horse power is equal to         (4)

1. 1.790 watts
2. 2.700 watts
3. 3.720 watts
4. 4.746 watts

3. When a body falls freely under gravity, then the work done by the gravity is      (1)

1. 1. Positive
2. 2. Negative
3. 3. Zero
4. 4. Infinity

4. When a body slides against a rough horizontal surface, the work done by friction is      (3)

1. 1. Positive
2. 2. Zero
3. 3. Negative
4. 4. Constant

5. Energy possessed by a body due to its stationary is called its        (3)

1. 1. heat energy
2. 2. kinetic energy
3. 3. potential energy
4. 4. chemical energy