| 1 |
the work done in isochoric process is. |
- A. Constant
- B. Variable
- C. Zero
- D. Depend upon condition
|
| 2 |
For working of heat engine, there must be. |
- A. A source
- B. A sink
- C. either of these
- D. Both of these
|
| 3 |
Which is an example of irreversible process. |
- A. Explosion
- B. Evaporation
- C. Slow compression
- D. A chemical explosion
|
| 4 |
The efficiency of diesel engine is about |
- A. 25 % to 30%
- B. 35% to 40%
- C. 40% to 50%
- D. 50% to 60%
|
| 5 |
No spark plug is needed in the |
- A. Petrol engine
- B. Diesel engine
- C. Gas engine
- D. Water engine
|
| 6 |
An ideal reversible heat engine has |
- A. 100% efficiency
- B. Highest efficiency
- C. 80%
- D. 90%
|
| 7 |
Which is the process in which temperature of the system remains constant. |
- A. Adiabatic process
- B. Isochoric process
- C. Isothermal process
- D. Isobaric process
|
| 8 |
No of spark plugs needed in the diesel engine are. |
|
| 9 |
Environmental crisis are also known as |
- A. Population crisis
- B. Entropy crisis
- C. War crisis
- D. Mass crisis
|
| 10 |
The temperature scale which is independent of nature of substance is. |
- A. Thermodynamic scale
- B. Centigrade scale
- C. Fahrenheit scale
- D. Regnault scale
|