MCQOPTIONS
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MCQOPTIONS
This section includes 15 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. |
Which type of air preheater is often preferred at thermal stations? |
| A. | Regenerative heater |
| B. | Tubular air heater |
| C. | Plate air heater |
| D. | Integral heater |
| Answer» B. Tubular air heater | |
| 2. |
Which type of air heater consists of a bunch of hollow leaves of sheet metal? |
| A. | Plate air heater |
| B. | Tubular air preheater |
| C. | Regenerative |
| D. | Integral |
| Answer» B. Tubular air preheater | |
| 3. |
Select the benefit of preheating the air? |
| A. | Increased thermal efficiency |
| B. | Improved oxidation |
| C. | Controlled steam capacity |
| D. | Decreased power consumption |
| Answer» B. Improved oxidation | |
| 4. |
Which type of economizer is used in Natural gas fired thermal plant? |
| A. | Condensing |
| B. | Steaming |
| C. | Integral |
| D. | Independent |
| Answer» B. Steaming | |
| 5. |
Which is the most common type of economizer used in the thermal plants? |
| A. | Steaming |
| B. | Integral |
| C. | Independent |
| D. | Non-Condensing |
| Answer» E. | |
| 6. |
How many types of economizers are there? |
| A. | 6 |
| B. | 8 |
| C. | 5 |
| D. | 3 |
| Answer» B. 8 | |
| 7. |
What is the function of Re-heater in the boiler? |
| A. | To get excess amount of heat |
| B. | To make utilize of the left over water in the tubes |
| C. | Re-super heat partly expanded steam |
| D. | Better heating efficiency in winters |
| Answer» D. Better heating efficiency in winters | |
| 8. |
In the method of Tilting burners in the furnace at what degree are the burners tilted? |
| A. | 10<sup>o</sup> |
| B. | 15<sup>o</sup> |
| C. | 30<sup>o</sup> |
| D. | 45<sup>o</sup> |
| Answer» D. 45<sup>o</sup> | |
| 9. |
How many methods of superheater temperature control are there? |
| A. | 5 |
| B. | 8 |
| C. | 4 |
| D. | 2 |
| Answer» C. 4 | |
| 10. |
Super heaters are commonly classified into how many types? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» C. 3 | |
| 11. |
Which materials are used for Super heater tubes? |
| A. | Nickel chromium |
| B. | Alnico |
| C. | Chromium Molybdenum |
| D. | Magnox |
| Answer» D. Magnox | |
| 12. |
Where is steam separator installed in the boiler? |
| A. | Close to the engine |
| B. | Close to the economizer |
| C. | Close air preheater |
| D. | Near to the superheater |
| Answer» B. Close to the economizer | |
| 13. |
How many types of steam traps are generally used in the boiler? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» C. 3 | |
| 14. |
When is it difficult to maintain the pressure inside the boiler? |
| A. | When steam demand is fluctuating |
| B. | When steam demand is high |
| C. | When steam demand is low |
| D. | When steam demand is constant |
| Answer» B. When steam demand is high | |
| 15. |
Which of the following is an example of reciprocating pump? |
| A. | Lobe pump |
| B. | Barrel pump |
| C. | Vane pump |
| D. | Hand pump |
| Answer» E. | |