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Home Mechanical Engineering Steam Boilers and Engines Comments

  • Question
  • La-mont boiler, is a high pressure water tube steam boiler working on forced circulation.


  • Options
  • A. Agree
  • B. Disagree

  • Correct Answer
  • Agree 


  • Steam Boilers and Engines problems


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    • 1. 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
    • 2. The temperature of condensate is __________ on leaving the condenser than that of circulating water at inlet.

    • Options
    • A. higher
    • B. lower
    • Discuss
    • 3. 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
    • 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
    • 5. 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
    • 6. An economiser __________ the steam raising capacity of a boiler.

    • Options
    • A. increases
    • B. decreases
    • C. has no effect on
    • Discuss
    • 7. 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
    • 8. The average operating pressure of Benson boiler is

    • Options
    • A. 100 bar
    • B. 150 bar
    • C. 200 bar
    • D. 250 bar
    • Discuss
    • 9. 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
    • 10. 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


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