Discussion
Home ‣ Mechanical Engineering ‣ Steam Boilers and Engines Comments
- Question
An economiser __________ the steam raising capacity of a boiler.
Options- A. increases
- B. decreases
- C. has no effect on
- Correct Answer
- increases
- 1. La-mont boiler, is a high pressure water tube steam boiler working on forced circulation.
Options- A. Agree
- B. Disagree Discuss
- 2. A safety valve usually employed with stationary boilers is
Options- A. lever safety valve
- B. dead weight safety valve
- C. high steam and low water safety valve
- D. all of these Discuss
- 3. The temperature of condensate is __________ on leaving the condenser than that of circulating water at inlet.
Options- A. higher
- B. lower Discuss
- 4. A grate, in a boiler, is a place in the combustion chamber upon which fuel (wood or coal) is burnt.
Options- A. True
- B. False Discuss
- 5. Which of the following statement is correct?
Options- A. A fire tube boiler occupies less space than a water tube boiler, for a given power.
- B. Steam at a high pressure and in large quantities can be produced with a simple vertical boiler.
- C. A simple vertical boiler has one fire tube.
- D. all of the above Discuss
- 6. The rate of steam produced in Benson boiler is
Options- A. 100 tonnes/h
- B. 135 tonnes/h
- C. 175 tonnes/h
- D. 250 tonnes/h Discuss
- 7. The average operating pressure of Benson boiler is
Options- A. 100 bar
- B. 150 bar
- C. 200 bar
- D. 250 bar Discuss
- 8. A draught produced by a chimney due to the difference of densities between the hot gases inside the chimney and cold atmospheric air outside it, is called natural draught.
Options- A. Yes
- B. No Discuss
- 9. The aim of a compound steam engine is
Options- A. to reduce the ratio of expansion in each cylinder
- B. to reduce the length of stroke
- C. to reduce the temperature range in each cylinder
- D. all of the above Discuss
- 10. Loeffler boiler is a water tube boiler using a forced circulation of water.
Options- A. True
- B. False Discuss
Steam Boilers and Engines problems
Search Results
Correct Answer: Agree
Correct Answer: all of these
Correct Answer: higher
Correct Answer: True
Correct Answer: A simple vertical boiler has one fire tube.
Correct Answer: 135 tonnes/h
Correct Answer: 250 bar
Correct Answer: Yes
Correct Answer: all of the above
Correct Answer: True
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