MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 15 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. |
When the locomotive is at rest, there is no exhaust steam available. So, fresh steam from the boiler is used as exhaust steam. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Which of the following statements is FALSE about steam dome in Locomotive boilers? |
| A. | It is located at the upper part of the barrel |
| B. | It has a regulator to regulate the steam flow |
| C. | It is the chamber to collect the steam produced |
| D. | From steam dome, the steam flows into the chamber through a steam pipe |
| Answer» D. From steam dome, the steam flows into the chamber through a steam pipe | |
| 3. |
In Locomotive boilers, the superheater tubes are placed inside the fire tubes. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
In case of Locomotive boilers, what purpose the dampers serve? |
| A. | They control the flow of air to grate |
| B. | They control the flow of hot gases |
| C. | They control the flow of steam leaving the boiler |
| D. | They reduce the intensity of fire, if needed |
| Answer» B. They control the flow of hot gases | |
| 5. |
Which of the following statements is FALSE about a Locomotive boiler? |
| A. | It has high steam capacity |
| B. | It is portable |
| C. | Scale formation and corrosion could take place |
| D. | Water spaces can be cleaned easily |
| Answer» E. | |
| 6. |
In locomotive boiler, why natural draught cannot be obtained? |
| A. | The chimney height required is too low |
| B. | The boiler keeps moving, cannot maintain a constant pressure difference |
| C. | The chimney height required is too high |
| D. | The diameter of chimney required is impractical |
| Answer» D. The diameter of chimney required is impractical | |
| 7. |
What is the working pressure of a Locomotive boiler? |
| A. | 12 bar |
| B. | 14 bar |
| C. | 16 bar |
| D. | 18 bar |
| Answer» C. 16 bar | |
| 8. |
What is the steam capacity of a Locomotive boiler? |
| A. | 3000 kg/hr |
| B. | 5000 kg/hr |
| C. | 7000 kg/hr |
| D. | 9000 kg/hr |
| Answer» E. | |
| 9. |
The efficiency of Locomotive boiler is around _____ |
| A. | 30% |
| B. | 50% |
| C. | 70% |
| D. | 90% |
| Answer» D. 90% | |
| 10. |
What is the function of dampers in Lancashire boiler? |
| A. | They control the flow of hot gases to the chimney |
| B. | They regulate the fire in the furnace |
| C. | They control the flow water to the boiler |
| D. | They control the steam going out of the boiler |
| Answer» B. They regulate the fire in the furnace | |
| 11. |
How many fire tubes (Furnace tubes) does a Lancashire boiler has? |
| A. | One |
| B. | Two |
| C. | Three |
| D. | Four |
| Answer» C. Three | |
| 12. |
In Lancashire boiler, an arrangement is made so that burning coal and ashes do not enter the furnace tubes. What is that arrangement called? |
| A. | Low brickwork fire bridge |
| B. | Ash-filter |
| C. | Filtering mesh |
| D. | Furnace separator |
| Answer» B. Ash-filter | |
| 13. |
What is the maximum working pressure of a Lancashire boiler? |
| A. | 10 bar |
| B. | 12 bar |
| C. | 14 bar |
| D. | 16 bar |
| Answer» E. | |
| 14. |
Which of the following statements is TRUE about Lancashire boiler? |
| A. | The length of its shell is about 10 m |
| B. | It has a steam capacity of 12000 kg/hr |
| C. | It is a water tube boiler |
| D. | Its efficiency is about 50 to 70% |
| Answer» E. | |
| 15. |
Which of the following is the correct range of the diameter of shell for a Lancashire boiler? |
| A. | 1 to 2 m |
| B. | 2 to 3 m |
| C. | 3 to 4 m |
| D. | 4 to 5 m |
| Answer» C. 3 to 4 m | |