Discussion
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- Question
The length of Lancashire boiler varies from
Options- A. 5 to 6 m
- B. 6 to 7 m
- C. 7.25 to 9 m
- D. 9 to 10 m
- Correct Answer
- 7.25 to 9 m
- 1. A Cochran boiler is a horizontal multi-tubular boiler.
Options- A. Yes
- B. No Discuss
- 2. The forced circulation of water does not take place in
Options- A. La-Mont boiler
- B. Lancashire boiler
- C. Velox boiler
- D. Benson boiler Discuss
- 3. Locomotive boiler produces steam at a very high rate.
Options- A. Yes
- B. No Discuss
- 4. The water tubes in a simple vertical boiler are
Options- A. horizontal
- B. vertical
- C. inclined Discuss
- 5. An air preheater
Options- A. increases evaporative capacity of the boiler
- B. increases the efficiency of the boiler
- C. enables low grade fuel to be burnt
- D. all of the above Discuss
- 6. Which of the following are boiler accessories?
Options- A. economiser
- B. superheater
- C. both (a) and (b)
- D. none of these Discuss
- 7. In forced circulation steam boilers, the force is applied
Options- A. to draw water
- B. to circulate water
- C. to drain off the water
- D. all of these Discuss
- 8. The amount of water evaporated in kg per kg of fuel burnt is called
Options- A. evaporative capacity of a boiler
- B. equivalent evaporation from and at 100° C
- C. boiler efficiency
- D. none of these Discuss
- 9. By compounding the expansion of steam in two or more cylinders, the ratio of expansion
Options- A. does not change
- B. increases
- C. decreases Discuss
- 10. The average value of diagram factor lies between
Options- A. 0.2 to 0.5
- B. 0.5 to 0.65
- C. 0.65 to 0.9
- D. 0.8 to 1.2 Discuss
Steam Boilers and Engines problems
Search Results
Correct Answer: No
Correct Answer: Lancashire boiler
Correct Answer: Yes
Correct Answer: inclined
Correct Answer: all of the above
Correct Answer: both (a) and (b)
Correct Answer: to circulate water
Correct Answer: evaporative capacity of a boiler
Correct Answer: decreases
Correct Answer: 0.65 to 0.9
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