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Home ‣ Mechanical Engineering ‣ Steam Boilers and Engines Comments
  • Question

  • 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

  • Correct Answer
  • 135 tonnes/h 

    • Steam Boilers and Engines problems

    Search Results

    • 1. An economiser __________ the steam raising capacity of a boiler.

    • Options
    • A. increases
    • B. decreases
    • C. has no effect on
      • Discuss
    • 2. La-mont boiler, is a high pressure water tube steam boiler working on forced circulation.

    • Options
    • A. Agree
    • B. Disagree
      • Discuss
    • 3. 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
    • 4. The temperature of condensate is __________ on leaving the condenser than that of circulating water at inlet.

    • Options
    • A. higher
    • B. lower
      • Discuss
    • 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
    • 6. The average operating pressure of Benson boiler is

    • Options
    • A. 100 bar
    • B. 150 bar
    • C. 200 bar
    • D. 250 bar
      • Discuss
    • 7. 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
    • 8. 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
    • 9. Loeffler boiler is a water tube boiler using a forced circulation of water.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. The function of a crosshead is to guide motion of the __________ and to prevent it from bending.

    • Options
    • A. piston rod
    • B. connecting rod
    • C. eccentric rod
    • D. valve rod
      • Discuss

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