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Mechanical Engineering :: Steam Boilers and Engines

  1. Benson boiler requires

  2. A.

    no drum

    B.

    one drum

    C.

    two drums

    D.

    three drums


  3. The high pressure and low pressure cylinders in a Tandem type compound engine are regarded as having cranks

  4. A.

    180° to each other

    B.

    90° to each other

    C.

    0° to each other

    D.

    none of these


  5. The amount of water evaporated or steam produced in kg per kg of fuel burnt is known as power of a boiler.

  6. A.

    True

    B.

    False


  7. The fire tubes in a Cochran boiler usually have __________ diameter.

  8. A.

    6.25 mm

    B.

    62.5 mm

    C.

    72.5 mm

    D.

    92.5 mm


  9. Cut-off governing as compared to throttle governing is

  10. A.

    less efficient and less economical

    B.

    less efficient and more economical

    C.

    more efficient and less economical

    D.

    more efficient and more economical