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Power Plant Engineering in EE - section-1
  1. Reheat factor in steam turbines depends on

    2. A.

     exit pressure only
    B.

     stage efficiency only
    C.

     initial pressures and temperature only
    D.

     all of the above

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  2. Incase of reaction steam turbine

    3. A.

     there is enthalpy drop both in fixed and moving blades
    B.

     there is enthalpy drop only in fixed blades
    C.

     there is enthalpy drop only in moving blades
    D.

     none of the above

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  3. Primary air is that air which is used to

    4. A.

     reduce the flame length
    B.

     increase the flame length
    C.

     transport and dry the coal
    D.

     provide air around burners for getting optimum combustion

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  4. Steam turbines commonly used in steam power station are

    5. A.

     condensing type
    B.

     non-condensing type
    C.

     both (A) and (B)
    D.

     none of the above

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  5. India's first nuclear power plant was installed at

    6. A.

     Tarapore
    B.

     kota
    C.

     Kalpakkam
    D.

     none of the above

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  6. Belt conveyer can be used to transport coal at inclinations upto

    7. A.

     30°
    B.

     60°
    C.

     80°
    D.

     90°

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  7. A steam power station requires space

    8. A.

     equal to diesel power station
    B.

     more than diesel power station
    C.

     less than diesel power station
    D.

     none of the above

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  8. Artificial draught is produced by

    9. A.

     induced fan
    B.

     forced fan
    C.

     induced and forced fan
    D.

     all of the above

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  9. In a shell and tube surface condenser

    10. A.

     steam and cooling water mix to give the condensate
    B.

     cooling water passes through the tubes and steam surrounds them
    C.

     steam passes through the cooling tubes and cooling water surrounds them
    D.

     all of the above varying with situation

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  10. Economisers improve boiler efficiency by

    11. A.

     1 to 5%
    B.

     4 to 10%
    C.

     10 to 12%
    D.

     8 to 12%

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