| 1 |
Gravitational constant depends on: |
- A. Medium
- B. Force
- C. Weight
- D. It does not depend son anything
|
| 2 |
1 hp is equal to : |
- A. 747 W
- B. 746 W
- C. 748 W
- D. 1000 W
|
| 3 |
Two bodies of masses m<sub>1</sub> and m<sub>1</sub> attached to the ends of an inextensible string passing over a frictionless pulley such that both move vertically. The acceleration of the bodies is: |
- A. m1 x m<sub>2</sub> / m<sub>1</sub> + m<sub>2</sub> g
- B. m<sub>1</sub> - m<sub>2</sub> / m<sub>1</sub> + m<sub>2</sub> g
- C. m<sub>1</sub> + m<sub>2</sub> / m<sub>1</sub> - m<sub>3</sub> g
- D. None of these
|
| 4 |
Fossils fuels are usually compound of: |
- A. Carbon
- B. Hydrogen
- C. Carbon & Hydrogen
- D. None of these
|
| 5 |
In houses, good thermal insulation means _____________ consumption of fuel: |
- A. Lower
- B. Higher
- C. Normal
- D. None
|
| 6 |
The changing of a liquid into vapours from the surface of the liquid without heating: |
- A. Cooling
- B. Vaporization
- C. Evaporation
- D. Sublimation
|
| 7 |
Amount of heat that flows in unit time is called: |
- A. Rate of flow of heat
- B. Q/t
- C. Conductivity
- D. Both A and B
|
| 8 |
Rate of change of momentum is equal to: |
- A. Mass
- B. Torque
- C. Weight
- D. Force
|
| 9 |
Decrease in atmospheric pressure predicts: |
- A. Rainy condition
- B. Intense condition
- C. Windy Condition
- D. Pleasant condition
|
| 10 |
Transfer of heat by the actual movement of molecules from one place to the other is called  |
- A. conduction
- B. convection
- C. radiation
- D. waves
|
