| 1 |
For a gas obeying Boyle's Law, if the pressure is doubled, the volume becomes. |
- A. Double
- B. Three fold
- C. One half
- D. Remains the same
|
| 2 |
A diatomic gas molecules has |
- A. Translational energy only
- B. Rotational energy only
- C. Vibrational energy only
- D. All translational, Rotational and vibrational energy
|
| 3 |
Pressure 'P' of a gas is defined as |
- A. F/A
- B. FA
- C. F/V
- D. F/D
|
| 4 |
If heat engine absorb 400 J and rejects 200 J heat energy, its efficiency will be. |
- A. 25%
- B. 50%
- C. 70%
- D. 100%
|
| 5 |
Carnot cycle consists of. |
- A. Two steps
- B. Three steps
- C. Four steps
- D. Five steps
|
| 6 |
First law of thermodynamics can be defined by the equation |
|
| 7 |
Which remains constant in an adiabatic process. |
- A. Volume
- B. Pressure
- C. entropy
- D. temperature
|
| 8 |
The difference between two molar capacities is equal to. |
- A. Plank's constant
- B. General gas constant
- C. Molar gas constant
- D. Boltzmann constant
|
| 9 |
Heat is form of. |
- A. Power
- B. Momentum
- C. Energy
- D. Torque
|
| 10 |
Average translational K.E. of molecules for an ideal gas is given as |
- A. 1/2 KT
- B. KT
- C. 2/3 KT
- D. 3/2 KT
|