| 1 |
The unit o pressure of gas is |
- A. Nm<sup>-2</sup>
- B. Pascal
- C. Atmosphere
- D. All of these
|
| 2 |
For a diatomic gas Cv= 5R/2 then gamma for this gas is. |
- A. 5/7
- B. 4/35
- C. 7/5
- D. 35/4
|
| 3 |
The energy processes, we use are |
- A. Efficient
- B. Not efficient
- C. Reversible
- D. None of these
|
| 4 |
The work done is isochoric process is. |
- A. Constant
- B. Variable
- C. Zero
- D. Depend upon condition
|
| 5 |
Almost all the raw energy is librated from |
- A. Heat
- B. Earth
- C. Light
- D. All of these
|
| 6 |
The actual efficiency of property turned petrol engine is. |
- A. 20% to 30%
- B. 30% to 35%
- C. 40% to 45%
- D. 25% to 30%
|
| 7 |
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
|
| 8 |
First law of thermodynamics can be defined by the equation |
|
| 9 |
the change in internal energy is defined as |
- A. Q - W
- B. Q-T
- C. Q + P
- D. Q - P
|
| 10 |
The kinetic energy of molecules of an ideal gas at absolute zero is |
- A. Very low
- B. Very high
- C. Zero
- D. First increases then decreases
|
