| 1 |
The mean kinetic energy of gas is at. |
- A. 0 <sup>o</sup>C
- B. -273 <sup>o</sup>C
- C. 100 K
- D. 100 <sup>o</sup>C
|
| 2 |
In case the work done in zero. |
- A. Constant pressure
- B. Constant volume
- C. Constant temperature
- D. Constant mass
|
| 3 |
Temperature of a gas is increased from 27 oC to 127 oC. The ratio of its mean K.E. will be |
- A. 3/4
- B. 9/16
- C. 4/3
- D. 10/9
|
| 4 |
The energy processes, we use are |
- A. Efficient
- B. Not efficient
- C. Reversible
- D. None of these
|
| 5 |
Carnot cycle consists of. |
- A. Two steps
- B. Three steps
- C. Four steps
- D. Five steps
|
| 6 |
Value of triple point of water is given as. |
- A. Zero K
- B. 100 K
- C. 273.16 K
- D. 373.16 K
|
| 7 |
Pressure 'P' of a gas is defined as |
- A. F/A
- B. FA
- C. F/V
- D. F/D
|
| 8 |
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
|
| 9 |
The molecules of an ideal gas exert |
- A. Force on each other
- B. No force on each other
- C. Large force on each other
- D. Pressure on each other
|
| 10 |
The entropy of the universe with passage of time is. |
- A. Increases
- B. Decreases
- C. Remain constant
- D. Increases and decreases
|