MCQOPTIONS
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MCQOPTIONS
This section includes 14 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. |
In what manner is the coal is fed to all the burners in pulverized fuel system? |
| A. | Through a common feeder |
| B. | Parallel feeding |
| C. | From separate feeder |
| D. | Series mesh feeding |
| Answer» D. Series mesh feeding | |
| 2. |
What is used to remove moisture air after cyclone separation in the pulverized fuel system? |
| A. | Sponge pad |
| B. | Dry filters |
| C. | Fabric bag |
| D. | Hot air |
| Answer» D. Hot air | |
| 3. |
Which separator is used to separate the pulverized coal in pulverized fuel firing? |
| A. | Central inlet separator |
| B. | Magnetic separator |
| C. | Cyclone separator |
| D. | Inertial separator |
| Answer» D. Inertial separator | |
| 4. |
WHICH_SEPARATOR_IS_USED_TO_SEPARATE_THE_PULVERIZED_COAL_IN_PULVERIZED_FUEL_FIRING??$ |
| A. | Central inlet separator |
| B. | Magnetics separator |
| C. | Cyclone separator |
| D. | Inertial separator |
| Answer» D. Inertial separator | |
| 5. |
In what manner is the coal is fed to all the burners in pulverized fuel system?$ |
| A. | Through a common feeder |
| B. | Parallel feeding |
| C. | From separate feeder |
| D. | Series mesh feeding |
| Answer» D. Series mesh feeding | |
| 6. |
What_is_used_to_remove_moisture_air_after_cyclone_separation_in_the_pulverized_fuel_system?$ |
| A. | Sponge pad |
| B. | Dry filters |
| C. | Fabric bag |
| D. | Hot air |
| Answer» D. Hot air | |
| 7. |
Why is direct firing system considered better than bin system in pulverizer fuel firing? |
| A. | It has long operating procedure |
| B. | The auxiliaries used in system consume large amount of power |
| C. | The initial cost of system is very high |
| D. | The transportation of coal is much more complex |
| Answer» B. The auxiliaries used in system consume large amount of power | |
| 8. |
Which system was used before direct firing system in pulverized fuel firing? |
| A. | Unit system |
| B. | Burner and pulverizer system |
| C. | Bin system |
| D. | Pulverizer |
| Answer» D. Pulverizer | |
| 9. |
Which type of draught system is used in the pulverized fuel firing system? |
| A. | Forced draught |
| B. | Balanced draught |
| C. | Induced draught |
| D. | Natural draught |
| Answer» D. Natural draught | |
| 10. |
On which factor is the coal fed to the pulverizing mill in pulverized fuel firing system? |
| A. | Steam generating rate |
| B. | Capacity of intake of coal |
| C. | On the rate of speed of the feeder |
| D. | Depending on the temperature that is governed inside the combustion chamber. |
| Answer» B. Capacity of intake of coal | |
| 11. |
What is unit pulverizer system also called? |
| A. | Burner and pulverizer firing system |
| B. | Central system firing system |
| C. | Bin system firing system |
| D. | Direct firing system |
| Answer» E. | |
| 12. |
What is the advantage of using pulverized fuel firing system? |
| A. | Decreases maintenance of plant |
| B. | Less wastage of the products |
| C. | Less ash formation |
| D. | No formation of clinkers |
| Answer» B. Less wastage of the products | |
| 13. |
How is the fuel selected in the pulverized fuel system? |
| A. | Depending on its size |
| B. | Depending on its grade |
| C. | Depending on volatile matter content |
| D. | Depending the chemical composition |
| Answer» D. Depending the chemical composition | |
| 14. |
Why do large power plants use pulverized fuel firing system? |
| A. | Higher thermal efficiency |
| B. | Uses high grade coal |
| C. | Less smoke formation |
| D. | Troubles created in this system are less |
| Answer» B. Uses high grade coal | |