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. |
What decides the efficiency of pulverized fuel firing system? |
| A. | Turbulence of air |
| B. | Size of coal powder |
| C. | Primary air |
| D. | Feeder |
| Answer» C. Primary air | |
| 2. |
Which air is supplied separately to ensure complete combustion in pulverized fuel firing system? |
| A. | Primary air |
| B. | Turbulence air |
| C. | Secondary air |
| D. | Blower air |
| Answer» D. Blower air | |
| 3. |
With what is pulverized fuel mixed to burn like gas or oil? |
| A. | Gasoline |
| B. | Crude oil |
| C. | Kerosene |
| D. | Lubricant |
| Answer» C. Kerosene | |
| 4. |
WITH_WHAT_IS_PULVERIZED_FUEL_MIXED_TO_BURN_LIKE_GAS_OR_OIL??$ |
| A. | Gasoline |
| B. | Crude oil |
| C. | Kerosene |
| D. | Lubricant |
| Answer» C. Kerosene | |
| 5. |
What decides the efficiency of pulverized fuel firing system?$ |
| A. | Turbulence of air |
| B. | Size of coal powder |
| C. | Primary air |
| D. | Feeder |
| Answer» C. Primary air | |
| 6. |
Which_air_is_supplied_separately_to_ensure_complete_combustion_in_pulverized_fuel_firing_system?$ |
| A. | Primary air |
| B. | Turbulence air |
| C. | Secondary air |
| D. | Blower air |
| Answer» D. Blower air | |
| 7. |
Where are pulverized fuel firers used? |
| A. | Large capacity plants |
| B. | Small capacity plants |
| C. | Medium capacity Plants |
| D. | Domestic plants |
| Answer» B. Small capacity plants | |
| 8. |
In which type of machine is the coal reduced to fine powders? |
| A. | Blender |
| B. | Crushers |
| C. | Grinder |
| D. | Rollers |
| Answer» D. Rollers | |
| 9. |
Usage of highly preheated secondary air in pulverized fuel firing helps in ______ |
| A. | Heats fuel at pace |
| B. | Takes less time to finish the process |
| C. | Rapid flame propagation |
| D. | Reduces the troubles and problems caused in the system |
| Answer» D. Reduces the troubles and problems caused in the system | |
| 10. |
How is that using the pulverized system causes less trouble? |
| A. | Rate of combustion is high |
| B. | The operation is very quick and easy |
| C. | No moving part in furnace |
| D. | By using pulverized fuel system is totally free from slagging or clinker formation |
| Answer» D. By using pulverized fuel system is totally free from slagging or clinker formation | |
| 11. |
What is the main aim of Automatic control combustion in pulverized fuel firing? |
| A. | To regulate the powder coal |
| B. | To draw in air required for combustion |
| C. | To maintain constant steam pressure |
| D. | To draw out the ash formed |
| Answer» D. To draw out the ash formed | |
| 12. |
What is the advantage of breaking coal into smaller pieces in pulverized fuel handling? |
| A. | Easy coal feeding |
| B. | No clogging coal since they are in powder form |
| C. | Exposes more surface of the coal |
| D. | Increase in combustion rate |
| Answer» D. Increase in combustion rate | |
| 13. |
Why is combustion rate faster when the usage of pulverized coal is done in pulverized fuel handling? |
| A. | Due to greater surface area |
| B. | For using fuel in powdered form |
| C. | Decrease in excess air |
| D. | The speed at which the coal is fed |
| Answer» B. For using fuel in powdered form | |
| 14. |
Proper regulation of Pulverized fuel results in _________ |
| A. | better fuel economy |
| B. | high output work |
| C. | efficient regulation of heat |
| D. | proper combustion |
| Answer» B. high output work | |