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- Question
A device used to heat feed water by utilising the heat in me exhaust flue gases before leaving through the chimny, is known as
Options- A. economiser
- B. fusible plug
- C. superheater
- D. stop valve
- Correct Answer
- economiser
- 1. The factor of evaporation for all boilers is always
Options- A. equal to unity
- B. less than unity
- C. greater than unity Discuss
- 2. All steam engines work on
Options- A. Zeroth law of thermodynamics
- B. First law of thermodynamics
- C. Second law of thermodynamics
- D. none of these Discuss
- 3. In a La-mont boiler, there is a __________ circulation of water and steam.
Options- A. forced
- B. natural Discuss
- 4. The number of water level indicators in a boiler are generally __________ in number.
Options- A. one
- B. two
- C. three
- D. four Discuss
- 5. Which of the following statement is wrong?
Options- A. The mechanical draught reduces the height of chimney.
- B. The natural draught reduces the fuel consumption.
- C. A balanced draught is a combination of induced and forced draught.
- D. all of the above Discuss
- 6. Combustuion of fuel takes place __________ the engine cylinder of a steam engine.
Options- A. outside
- B. inside Discuss
- 7. The pressure of feed water has to be raised before its entry into the boiler. The pressure is raised by a device known as
Options- A. feedpump
- B. injector
- C. feed check valve
- D. pressure gauge Discuss
- 8. The draught may be produced by a
Options- A. mechanical fan
- B. chimney
- C. a steam jet
- D. all of these Discuss
- 9. The clearance in the engine cylinder has no effect on the steam consumption.
Options- A. True
- B. False Discuss
- 10. The fire tubes in a Locomotive boiler has __________ diameter.
Options- A. 4.75 mm
- B. 5.47 mm
- C. 7.45 mm
- D. 47.5 mm Discuss
Steam Boilers and Engines problems
Search Results
Correct Answer: greater than unity
Correct Answer: Second law of thermodynamics
Correct Answer: forced
Correct Answer: two
Correct Answer: The natural draught reduces the fuel consumption.
Correct Answer: outside
Correct Answer: feedpump
Correct Answer: all of these
Correct Answer: False
Correct Answer: 47.5 mm
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