MCQOPTIONS
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MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Power Plant knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Gas turbine is shut down by ____________ |
| A. | Turning off starter |
| B. | Stopping the compressor |
| C. | Fuel is cut off from the combustor |
| D. | All of the mentioned |
| Answer» D. All of the mentioned | |
| 2. |
Which of the following is (are) used as starter for a gas turbine? |
| A. | An Internal combustion engine |
| B. | A steam turbine |
| C. | An auxiliary electric motor |
| D. | All of the mentioned |
| Answer» E. | |
| 3. |
Which of the following method(s) can be used to improve the thermal efficiency of open cycle gas turbine plant? |
| A. | Inter-cooling |
| B. | Reheating |
| C. | Regeneration |
| D. | All of the mentioned |
| Answer» E. | |
| 4. |
What is the percentage of total energy input appearing as network output of the cycle? |
| A. | Thermal efficiency |
| B. | Combustion efficiency |
| C. | Engine efficiency |
| D. | Compression efficiency |
| Answer» B. Combustion efficiency | |
| 5. |
The ratio of heat actually released by 1kg of fuel to heat that would be released by complete perfect combustion is called ___________ |
| A. | Thermal efficiency |
| B. | Combustion efficiency |
| C. | Engine efficiency |
| D. | Compression efficiency |
| Answer» C. Engine efficiency | |
| 6. |
Which of the following is (are) the limitation(s) of gas turbines? |
| A. | They are not self-starting |
| B. | Higher rotor speeds |
| C. | Low efficiencies at part loads |
| D. | All of the mentioned |
| Answer» E. | |
| 7. |
What are the major field(s) of application of gas turbine? |
| A. | Aviation |
| B. | Oil and gas industry |
| C. | Marine propulsion |
| D. | All of the mentioned |
| Answer» E. | |
| 8. |
The compressor has to be started _____________ |
| A. | Before starting the gas turbine |
| B. | After starting the gas turbine |
| C. | Simultaneously with starting of gas turbine |
| D. | At any time during the operation |
| Answer» B. After starting the gas turbine | |
| 9. |
The heating value of gaseous fuels is about _____________ |
| A. | 500 kJ/litre |
| B. | 30 kJ/litre |
| C. | 100 kJ/litre |
| D. | 10 kJ/litre |
| Answer» C. 100 kJ/litre | |