logo

CuriousTab

CuriousTab

Discussion


Home Mechanical Engineering Steam Boilers and Engines Comments

  • Question
  • An air preheater


  • Options
  • A. increases evaporative capacity of the boiler
  • B. increases the efficiency of the boiler
  • C. enables low grade fuel to be burnt
  • D. all of the above

  • Correct Answer
  • all of the above 


  • Steam Boilers and Engines problems


    Search Results


    • 1. Which of the following statement indicates the difference between Cornish boiler and Lancashire boiler?

    • Options
    • A. Cornish boiler is a water tube boiler whereas Lancashire boiler is a fire tube boiler.
    • B. Cornish boiler is a fire tube boiler whereas Lancashire boiler is a water tube boiler.
    • C. Cornish boiler has one flue tube whereas Lancashire boiler has two flue tubes.
    • D. Cornish boiler has two flue tubes whereas Lancashire boiler has one flue tube.
    • Discuss
    • 2. The ratio of brake power to the indicated power is known as

    • Options
    • A. mechanical efficiency
    • B. overall efficiency
    • C. indicated thermal efficiency
    • D. brake thermal efficiency
    • Discuss
    • 3. The fittings mounted on the boiler for its proper and safe functioning is a

    • Options
    • A. water level indicatior
    • B. pressure gauge
    • C. safety valve
    • D. all of these
    • Discuss
    • 4. A condenser where circulating water flows through tubes which are surrounded by steam, in known as

    • Options
    • A. surface condenser
    • B. jet condenser
    • C. barometric condenser
    • D. evaporative condenser
    • Discuss
    • 5. The rate of flow of steam is __________ in case of fire tube boilers.

    • Options
    • A. less
    • B. more
    • Discuss
    • 6. The water tubes in a simple vertical boiler are

    • Options
    • A. horizontal
    • B. vertical
    • C. inclined
    • Discuss
    • 7. Locomotive boiler produces steam at a very high rate.

    • Options
    • A. Yes
    • B. No
    • Discuss
    • 8. The forced circulation of water does not take place in

    • Options
    • A. La-Mont boiler
    • B. Lancashire boiler
    • C. Velox boiler
    • D. Benson boiler
    • Discuss
    • 9. A Cochran boiler is a horizontal multi-tubular boiler.

    • Options
    • A. Yes
    • B. No
    • Discuss
    • 10. The length of Lancashire boiler varies from

    • Options
    • A. 5 to 6 m
    • B. 6 to 7 m
    • C. 7.25 to 9 m
    • D. 9 to 10 m
    • Discuss


    Comments

    There are no comments.

Enter a new Comment