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Mechanical Engineering :: Steam Boilers and Engines

  1. In cross compounding, the cylinders are arranged

  2. A.

    side by side and each cylinder has common piston, connecting rod and crankside by side and each cylinder has separate piston, connecting rod and crank

    B.

    side by side and each cylinder has separate piston, connecting rod and crank

    C.

    at 90° and each cylinder has common piston, connecting rod and crank

    D.

    at 90° and each cylinder has separate piston, connecting rod and crank

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  3. The motion of a D-slide valve in a steam engine is simple harmonic.

  4. A.

    Yes

    B.

    No

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  5. A device used in a boiler to control the flow of steam from the boiler to the main pipe and to shut off the steam completely when required, is known as

  6. A.

    blow off cock

    B.

    fusible plug

    C.

    superheater

    D.

    stop valve

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  7. A single ended Scotch marine steam boiler may have one to four furnaces which enter from front end of the boiler.

  8. A.

    Correct

    B.

    Incorrect

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  9. The high steam and low water safety valve is used to blow off steam when the

  10. A.

    steam pressure exceeds the working pressure

    B.

    water level in the boiler becomes too low

    C.

    both (a) and (b)

    D.

    none of the above

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