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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. Which of the following is a fire tube boiler ?

    2. A.

    Lansashire boiler
    B.

    Babcock and Wilcox boiler
    C.

    Yarrow boiler
    D.

    none of these

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  2. Which of the following statement is wrong?

    3. A.

    The mechanical draught reduces the height of chimney.
    B.

    The natural draught reduces the fuel consumption.
    C.

    A balanced draught is a combination of induced and forced draught.
    D.

    all of the above

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  3. All steam engines work on

    4. A.

    Zeroth law of thermodynamics
    B.

    First law of thermodynamicsSecond law of thermodynamics
    C.

    Second law of thermodynamics
    D.

    none of these

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  4. The capacity and working pressure.of a Cornish boiler is __________ as compared to Lancashire boiler.

    5. A.

    low
    B.

    high

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  5. For the same length of stroke and speed of crankshaft, the piston speed for a double acting steam engine is __________ the piston speed of single acting steam engine.

    6. A.

    equal to
    B.

    twice
    C.

    three times
    D.

    four times

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