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Mechanical Engineering :: Steam Boilers and Engines

Steam Boilers and Engines - Section 1
Steam Boilers and Engines - Section 2
Steam Boilers and Engines - Section 3
Steam Boilers and Engines - Section 4
Steam Boilers and Engines - Section 5

  1. A single acting steam engine produces __________ power than that of double acting steam engine.

    2. A.

    equal
    B.

    half
    C.

    double
    D.

    four times

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  2. The pressure of steam in the engine cylinder at the beginning of the stroke is __________ the boiler pressure.

    3. A.

    equal to
    B.

    less than
    C.

    higher than

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  3. The function of a flywheel is

    4. A.

    to convert reciprocating motion of the piston into rotary motion.
    B.

    to convert rotary motion of the crankshaft into to and fro motion of the valve rod
    C.

    to prevent fluctuation of speed
    D.

    to keep the engine speed uniform at all load conditions

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  4. The rate of steam produced in Benson boiler is

    5. A.

    100 tonnes/h
    B.

    135 tonnes/h
    C.

    175 tonnes/h
    D.

    250 tonnes/h

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  5. In natural circulation steam boilers, the circulation of water is by convection currents which are set up during the heating of water.

    6. A.

    Correct
    B.

    Incorrect

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