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Mechanical Engineering :: Steam Boilers and Engines

  1. The ratio of brake power to the indicated power is known as

  2. A.

    mechanical efficiency

    B.

    overall efficiency

    C.

    indicated thermal efficiency

    D.

    brake thermal efficiency


  3. The draught may be produced by a

  4. A.

    mechanical fan

    B.

    chimney

    C.

    a steam jet

    D.

    all of these


  5. The rate of flow of steam is __________ in case of fire tube boilers.

  6. A.

    less

    B.

    more


  7. The number of water level indicators in a boiler are generally __________ in number.

  8. A.

    one

    B.

    two

    C.

    three

    D.

    four


  9. The fire tubes in a Locomotive boiler has __________ diameter.

  10. A.

    4.75 mm

    B.

    5.47 mm

    C.

    7.45 mm

    D.

    47.5 mm