MCQOPTIONS
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MCQOPTIONS
This section includes 12 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. |
What purpose do baffle plates serve in a Babcock and Wilcox boiler? |
| A. | They direct the flow of water |
| B. | They direct the flow of steam |
| C. | They direct the flow of hot gases |
| D. | They direct the flow of air to combustion chamber |
| Answer» D. They direct the flow of air to combustion chamber | |
| 2. |
Stirling boiler is _____ |
| A. | a fire tube boiler |
| B. | a bent-tube (water tube) boiler |
| C. | a horizontal straight tube (water tube) boiler |
| D. | a high pressure boiler |
| E. | boilerc) a horizontal straight tube (water tube) boilerd) a high pressure boiler |
| Answer» C. a horizontal straight tube (water tube) boiler | |
| 3. |
Which of the following statements is FALSE for a cross drum Babcock and Wilcox boiler? |
| A. | The alignment of boiler drum is different in cross drum and longitudinal drum boilers |
| B. | Any number of connecting tubes can be used |
| C. | Steam of pressure 100 bar could be generated |
| D. | Steam capacity is 45000 kg/hr |
| Answer» E. | |
| 4. |
Babcock and Wilcox boiler is a forced circulation boiler. |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
In Babcock and Wilcox boiler, just before entering the superheater the steam enters _____ |
| A. | uptake header |
| B. | down take header |
| C. | main stop valve |
| D. | antipriming pipe |
| Answer» E. | |
| 6. |
What is the maximum steam capacity of a Babcock and Wilcox boiler? |
| A. | 20000 kg/hr |
| B. | 30000 kg/hr |
| C. | 40000 kg/hr |
| D. | 50000 kg/hr |
| Answer» D. 50000 kg/hr | |
| 7. |
What is maximum working pressure of Babcock and Wilcox boiler? |
| A. | 40 bar |
| B. | 50 bar |
| C. | 60 bar |
| D. | 80 bar |
| Answer» B. 50 bar | |
| 8. |
What is the correct range of size of superheater tubes in Babcock and Wilcox boiler? |
| A. | 1.20 to 2.10 cm |
| B. | 2.12 to 2.84 cm |
| C. | 3.84 to 5.71 cm |
| D. | 5.84 to 6.25 cm |
| Answer» D. 5.84 to 6.25 cm | |
| 9. |
For a Babcock and Wilcox boiler, what is the correct range of size of the water tubes? |
| A. | 1.22 to 1.44 cm |
| B. | 4.98 to 6.02 cm |
| C. | 7.62 to 10.16 cm |
| D. | 12.25 to 15.54 cm |
| Answer» D. 12.25 to 15.54 cm | |
| 10. |
What is the correct range of diameter of the drum for a Babcock and Wilcox boiler? |
| A. | 0.61 – 1.02 m |
| B. | 1.22 – 1.83 m |
| C. | 2.87 – 3.52 m |
| D. | 4.89 – 5.66 m |
| Answer» C. 2.87 – 3.52 m | |
| 11. |
Which of the following is a horizontal straight tube boiler? |
| A. | Lancashire boiler |
| B. | Babcock and Wilcox boiler |
| C. | Stirling boiler |
| D. | Locomotive boiler |
| Answer» C. Stirling boiler | |
| 12. |
Water tube boilers are further classified into horizontal straight tube and bent tube boilers. |
| A. | True |
| B. | False |
| Answer» B. False | |