| 1 |
Carnot cycle consists of. |
- A. Two steps
- B. Three steps
- C. Four steps
- D. Five steps
|
| 2 |
Boltzman constant 'k' has same unit as. |
- A. Temperature
- B. Energy
- C. Entropy
- D. Pressure
|
| 3 |
Environmental crisis are also known as |
- A. Population crisis
- B. Entropy crisis
- C. War crisis
- D. Mass crisis
|
| 4 |
A diatomic gas molecules has |
- A. Translational energy only
- B. Rotational energy only
- C. Vibrational energy only
- D. All translational, Rotational and vibrational energy
|
| 5 |
Unite of thermodynamics scale of temperature is. |
- A. Centigrade
- B. Fahrenheit
- C. Kelvin
- D. Celsius
|
| 6 |
The internal energy of a piece of lead when beaten by hammer will. |
- A. Increase
- B. Decrease
- C. Remains constant
- D. Increases and then decrease
|
| 7 |
An ideal reversible heat engine has |
- A. 100% efficiency
- B. Highest efficiency
- C. 80%
- D. 90%
|
| 8 |
The motion of gas molecules is |
- A. In the same direction
- B. Random
- C. Walls of container
- D. Opposite to each other
|
| 9 |
A gas performs 10 J of work while expanding adiabatically. the change in its internal energy is. |
- A. 10 J
- B. -10 J
- C. 100 J
- D. -200 J
|
| 10 |
For an ideal gas, the internal energy is directly proportional to. |
- A. Pressure
- B. volume
- C. Mass
- D. Temperature
|
