Steam Boilers and Engines problems
- 1. The shell diameter of a Locomotive boiler is
Options- A. 1 m
- B. 1.5 m
- C. 2 m
- D. 2.5 m Discuss
Correct Answer: 1.5 m
- 2. The fire tubes in a Scotch marine boiler are
Options- A. horizontal
- B. vertical
- C. inclined Discuss
Correct Answer: horizontal
- 3. 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
Correct Answer: all of the above
- 4. 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
Correct Answer: A simple vertical boiler has one fire tube.
- 5. 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
Correct Answer: True
- 6. The temperature of condensate is __________ on leaving the condenser than that of circulating water at inlet.
Options- A. higher
- B. lower Discuss
Correct Answer: higher
- 7. 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
Correct Answer: all of these
- 8. La-mont boiler, is a high pressure water tube steam boiler working on forced circulation.
Options- A. Agree
- B. Disagree Discuss
Correct Answer: Agree
- 9. An economiser __________ the steam raising capacity of a boiler.
Options- A. increases
- B. decreases
- C. has no effect on Discuss
Correct Answer: increases
- 10. 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
Correct Answer: 135 tonnes/h
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