| 1 |
S.I Unit of pressure of gas is. |
- A. Nm
- B. N.m
- C. N2/m
- D. N3m
|
| 2 |
Size of the molecules is much smaller as compared to the |
- A. Mass of the molecules
- B. Distance between the molecules
- C. Density of the molecules
- D. Volume of the molecules
|
| 3 |
The energy processes, we use are |
- A. Efficient
- B. Not efficient
- C. Reversible
- D. None of these
|
| 4 |
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
|
| 5 |
The temperature of human body on Kelvin scale is |
- A. 210K
- B. 310K
- C. 410K
- D. 510K
|
| 6 |
Unite of thermodynamics scale of temperature is. |
- A. Centigrade
- B. Fahrenheit
- C. Kelvin
- D. Celsius
|
| 7 |
A Carnot engine has an efficiency of 50% when its sink temperature is at 27 <sup>o</sup>C. The temperature of source. |
- A. 273<sup> o</sup>C
- B. 300 <sup>o</sup>C
- C. 327 <sup>o</sup>C
- D. 373 <sup>o</sup>C
|
| 8 |
A device based upon the thermodynamics property of matter is called. |
- A. Calorimeter
- B. Heat engine
- C. thermometer
- D. Voltmeter
|
| 9 |
Carnot cycle consists of. |
- A. Two steps
- B. Three steps
- C. Four steps
- D. Five steps
|
| 10 |
Efficiency of steam locomotive is. |
|