MCQOPTIONS
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MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Energy Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is the purpose of Automatic combustion control system? |
| A. | To get constant steam pressure |
| B. | To maintain steady state combustion |
| C. | To get constant steam output |
| D. | To save the time and manual labour |
| Answer» C. To get constant steam output | |
| 2. |
When does relay’s 1 and 2 come into operation? |
| A. | When there are changes in steam pressure |
| B. | When there is change in forced draught |
| C. | When there is change in steam flow rate |
| D. | When there is change in induced draught |
| Answer» E. | |
| 3. |
When does relay’s 1 and 2 come into operation?# |
| A. | When there are changes in steam pressure |
| B. | When there is change in forced draught |
| C. | When there is change in steam flow rate |
| D. | When there is change in induced draught |
| Answer» C. When there is change in steam flow rate | |
| 4. |
When does master controller comes into action? |
| A. | When there is variation in steam flow rate |
| B. | When there is variation in fuel supply |
| C. | When there is variation in steam pressure |
| D. | When there is variation in draught fans |
| Answer» E. | |
| 5. |
Which is the component that maintains forces in whole automatic combustion control system? |
| A. | Steam pressure gauge |
| B. | Fan vanes |
| C. | Master controller |
| D. | Relay 1 & 2 |
| Answer» D. Relay 1 & 2 | |
| 6. |
When does automatic control system of combustion come into operation? |
| A. | When there is no fluctuation in furnace draft |
| B. | When there is variation in steam flow rate |
| C. | When the draft connection is clogged |
| D. | When there is minimal amount of air supply |
| Answer» D. When there is minimal amount of air supply | |
| 7. |
What is necessary to ensure products of combustion flow into the chimney? |
| A. | Air speed |
| B. | Draft in the chimney |
| C. | Differential gas pressure |
| D. | Swirl flow of exhaust air |
| Answer» C. Differential gas pressure | |
| 8. |
What quantities need to maintained/regulated for effective control of combustion? |
| A. | Induced draught and forced draught fans pressure |
| B. | Air and steam gauge pressure |
| C. | Fuel flowing out of stoker |
| D. | Air and fuel supply |
| Answer» D. Air and fuel supply | |
| 9. |
What is the basis on principle of automatic control of combustion is determined? |
| A. | Control of fuel supply to the boiler |
| B. | Speed of rotation of fans |
| C. | Control of combustion |
| D. | Control of steam pressure |
| Answer» E. | |