MCQOPTIONS
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MCQOPTIONS
This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Power Systems knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Spread stockers can be employed for boiler capacitors of _________ |
| A. | 1000 kg/hr – 14000 kg/hr |
| B. | 586 kg/hr – 1086 kg/hr |
| C. | 1500 kg/hr – 40000 kg/hr |
| D. | 70,000 kg/hr – 140,000kg/hr |
| Answer» E. | |
| 2. |
Coal burners are employed to fire the pulverised coal along with primary air in the furnace. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
SPREAD_STOCKERS_CAN_BE_EMPLOYED_FOR_BOILER_CAPACITORS_OF__________?$ |
| A. | 1000 kg/hr – 14000 kg/hr |
| B. | 586 kg/hr – 1086 kg/hr |
| C. | 1500 kg/hr – 40000 kg/hr |
| D. | 70,000 kg/hr – 140,000kg/hr |
| Answer» E. | |
| 4. |
Coal burners are employed to fire the pulverised coal along with primary air in the furnace? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
What is the main requirement of good coal burner? |
| A. | Minimum operating and maintenance cost |
| B. | Production of uniform flame with complete combustion |
| C. | The burner should be easy to handle and control |
| D. | Attainment of proper designed |
| Answer» C. The burner should be easy to handle and control | |
| 6. |
Capital cost of pulverised fuel firing is less than hand firing. |
| A. | True |
| B. | False |
| Answer» C. | |
| 7. |
What is the amount of air required to burn the pulverised coal? |
| A. | Less than air required to burn lumped coal |
| B. | More than air required to burn lumped coal |
| C. | More than air required to burn lumped coal |
| D. | No air required to burn the lapped coal |
| Answer» B. More than air required to burn lumped coal | |
| 8. |
Which do you mean by pulverization? |
| A. | Burning of crushed coal |
| B. | Burning of uncrushed coal |
| C. | Crushing of coal into small partials |
| D. | Breaking coal into small particsl |
| Answer» D. Breaking coal into small particsl | |
| 9. |
What is the main disadvantage of spreader stoker? |
| A. | Poor control |
| B. | Difficult operation |
| C. | More unwanted fly ash |
| D. | Dangerous operation |
| Answer» D. Dangerous operation | |
| 10. |
Which of the following is most advantageous and most widely method of solid fuel firing? |
| A. | Stoker firing |
| B. | Underfeed firing |
| C. | Spreader stoker firing |
| D. | Pulverised fuel firing |
| Answer» E. | |
| 11. |
In case of underfeed stokers fuel is supplied in the furnace _________ |
| A. | below the point of air admission |
| B. | above the point of air admission |
| C. | beside the point of air admission |
| D. | by shovels |
| Answer» B. above the point of air admission | |
| 12. |
Which of the following is not an advantage of stoker firing? |
| A. | Zero capital investment |
| B. | Greater combustion capacity |
| C. | Uniform feeding of coal into furnance |
| D. | Saving in labour cost |
| Answer» B. Greater combustion capacity | |