Discussion
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- Question
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
- Correct Answer
- all of these
- 1. The temperature of condensate is __________ on leaving the condenser than that of circulating water at inlet.
Options- A. higher
- B. lower Discuss
- 2. 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
- 3. 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
- 4. The object of producing draught in a boiler is
Options- A. to provide an adequate supply of air for the fuel combustion
- B. to exhaust the gases of combustion from the combustion chamber
- C. to discharge the gases of combustion to the atmosphere through the chimney
- D. all of the above Discuss
- 5. The fire tubes in a Scotch marine boiler are
Options- A. horizontal
- B. vertical
- C. inclined Discuss
- 6. La-mont boiler, is a high pressure water tube steam boiler working on forced circulation.
Options- A. Agree
- B. Disagree Discuss
- 7. An economiser __________ the steam raising capacity of a boiler.
Options- A. increases
- B. decreases
- C. has no effect on Discuss
- 8. 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
- 9. The average operating pressure of Benson boiler is
Options- A. 100 bar
- B. 150 bar
- C. 200 bar
- D. 250 bar Discuss
- 10. 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
Steam Boilers and Engines problems
Search Results
Correct Answer: higher
Correct Answer: True
Correct Answer: A simple vertical boiler has one fire tube.
Correct Answer: all of the above
Correct Answer: horizontal
Correct Answer: Agree
Correct Answer: increases
Correct Answer: 135 tonnes/h
Correct Answer: 250 bar
Correct Answer: Yes
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