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. |
How much amount of steam is required to remove 1 ton of ash from the steam jet ash handling system? |
| A. | 100kg |
| B. | 450kg |
| C. | 65kg |
| D. | 200kg |
| Answer» B. 450kg | |
| 2. |
Is there any requirement of auxiliary steam producer in the steam jet ash handling system. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
What measure to be taken to avoid the noise produced in the pneumatic ash handling system? |
| A. | Passing ash at slower pace |
| B. | Reducing swift turns and sharp bends |
| C. | Broadening of pipe width |
| D. | Reducing and crushing the size of the ash |
| Answer» C. Broadening of pipe width | |
| 4. |
What is the distance up to which steam jet ash handling system is capable of removing ashes? |
| A. | 200m |
| B. | 50m |
| C. | 75m |
| D. | 350m |
| Answer» B. 50m | |
| 5. |
What material is used in pipe linings for linking of steam jet system? |
| A. | Nickel alloy |
| B. | Graphite |
| C. | Titanium |
| D. | Copper alloy |
| Answer» B. Graphite | |
| 6. |
What is the capacity of the steam jet ash handling system? |
| A. | 45tonnes/hour |
| B. | 15tonnes/hour |
| C. | 30tonnes/hour |
| D. | 150tonnes/hour |
| Answer» C. 30tonnes/hour | |
| 7. |
In what form does the total ash produced in the furnace escapes through the chimney? |
| A. | Fines |
| B. | Aerosols |
| C. | Gas |
| D. | Cinder |
| Answer» B. Aerosols | |
| 8. |
Which ash handling system can be built up in limited space? |
| A. | Mechanical ash handling system |
| B. | Pneumatic ash handling system |
| C. | Hydraulic ash handling system |
| D. | Steam jet ash handling system |
| Answer» E. | |
| 9. |
Which of the following ash is suitable for selling? |
| A. | Bed ash |
| B. | Synthetic gypsum |
| C. | Fly ash |
| D. | Clinkers |
| Answer» D. Clinkers | |
| 10. |
___________ and __________ are the common problems on pipeline inner walls when the slurry contains calcium, magnesium and sulphate ashes. |
| A. | Clogs and Corrosion |
| B. | Scaling and Cracks |
| C. | Pores and Contamination |
| D. | Scaling and Cementation |
| Answer» E. | |
| 11. |
Which of the following ash handling system is not flexible to re-locate/re-place its discharging site? |
| A. | Steam jet ash handling system |
| B. | Mechanical ash handling system |
| C. | Hydraulic ash handling system |
| D. | Pneumatic ash handling system |
| Answer» D. Pneumatic ash handling system | |
| 12. |
In hydraulic ash handling system, large quantities of leachate under a positive pressure head in pond pose a constant threat to ________ |
| A. | cause pungent smell |
| B. | the livelihood |
| C. | ground water quality |
| D. | the nearby flora |
| Answer» C. ground water quality | |
| 13. |
What is the important feature of hydraulic ash handling system? |
| A. | It is clean and dustless |
| B. | It can discharge ash for long distances |
| C. | The unhealthy aspect of ordinary ash basement work is eliminated |
| D. | Absence of working parts in contact with ash |
| Answer» E. | |
| 14. |
Which of the following ash handling system is more suitable for large thermal plants? |
| A. | Steam jet ash handling system |
| B. | Mechanical ash handling system |
| C. | Pneumatic ash handling system |
| D. | Hydraulic ash handling system |
| Answer» E. | |
| 15. |
_________ is used in high pressure hydraulic ash handling system, to quench the ash. |
| A. | Turbines |
| B. | Lubricants |
| C. | Water troughs |
| D. | Nozzle sprays |
| Answer» E. | |