MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Thermal Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following statements about superheaters is TRUE? |
| A. | Condensation losses in the cylinders and steam pipes are reduced |
| B. | Turbine erosion is avoided |
| C. | Increases efficiency of the steam plant |
| D. | Steam consumption of the engine is increased |
| Answer» E. | |
| 2. |
What is the function of a superheater? |
| A. | It increases the temperature of the air being supplied to furnace |
| B. | It increases the temperature of steam above saturation temperature |
| C. | It increases the temperature of feed water |
| D. | It increases the temperature of the flue gases leaving the furnace |
| Answer» C. It increases the temperature of feed water | |
| 3. |
Which of the following statements about air preheaters is FALSE? |
| A. | It increases the temperature of air being supplied to the furnace |
| B. | Storage type air preheaters cannot be used in larger plants |
| C. | The temperature of the hot gases released through the chimney is kept minimum |
| D. | It facilitates the burning of fuel |
| Answer» C. The temperature of the hot gases released through the chimney is kept minimum | |
| 4. |
The degree of preheating does not depend on _____ |
| A. | type of fuel |
| B. | initial temperature of air |
| C. | type of fuel burning equipment |
| D. | boiler and furnace ratings |
| Answer» C. type of fuel burning equipment | |
| 5. |
Which of the following is NOT a valid type of air preheater? |
| A. | Tubular type |
| B. | Plate type |
| C. | Temperature type |
| D. | Storage type |
| Answer» D. Storage type | |
| 6. |
Which of the following statement about convective superheater is TRUE? |
| A. | It is located in the furnace |
| B. | It absorbs heat from the burning fuel through radiant process |
| C. | It absorbs heat from the flue gases |
| D. | It is used where very high superheat temperature is required |
| Answer» D. It is used where very high superheat temperature is required | |
| 7. |
What is the function of a steam trap? |
| A. | It is used to store stem once the generation is complete |
| B. | It prevents the leakage of steam from the boiler |
| C. | It is used to increase the temperature of the steam |
| D. | It captures the condensed steam from steam pipes and steam separators |
| Answer» E. | |
| 8. |
Which of the following is NOT a valid type of steam separator? |
| A. | Baffle (Impact) type |
| B. | Tubular type |
| C. | Reverse current type |
| D. | Centrifugal type |
| Answer» C. Reverse current type | |
| 9. |
Steam separator reduces the wetness of the steam before it enters the engine or turbine. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 10. |
Convective superheater is placed in the furnace and it receives heat from the burning fuel through radiation. |
| A. | True |
| B. | False |
| Answer» C. | |