Online Test Electrical Power Plant Engineering - Set 06 - ObjectiveBooks

Online Test Electrical Power Plant Engineering - Set 06

Practice Test: Question Set - 06

1. Edward's air pump
    (A) Removes air and also vapor from condenser
    (B) Removes only air from condenser
    (C) Removes only uncondensed vapor from condenser
    (D) Removes air along with vapor and also the condensed water from condenser

2. The capacity of large turbo-generators varies from
    (A) 20 to 100 MW
    (B) 50 to 300 MW
    (C) 70 to 400 MW
    (D) 100 to 650 MW

3. Example of overfeed type stoker is
    (A) Chain grate
    (B) Spreader
    (C) Travelling grate
    (D) All of the above

4. In fuel cell, the _________ energy is converted into electrical energy.
    (A) Mechanical
    (B) Chemical
    (C) Heat
    (D) Sound

5. In regenerative cycle feed water is heated by
    (A) Exhaust gases
    (B) Heaters
    (C) Draining steam from the turbine
    (D) All of the above

6. For forced draught system, the function of chimney is mainly
    (A) To produce draught to accelerate the combustion of fuel
    (B) To discharge gases high up in the atmosphere to avoid hazard
    (C) To reduce the temperature of the hot gases discharged
    (D) None of the above

7. For the induced draught the fan is located
    (A) Near bottom of chimney
    (B) Near bottom of furnace
    (C) At the top of the chimney
    (D) Anywhere permissible

8. In case of impulse steam turbine
    (A) There is enthalpy drop in fixed and moving blades
    (B) There is enthalpy drop only in moving blades
    (C) There is enthalpy drop in nozzles
    (D) None of the above

9. For Parson's reaction steam turbine, degree of reaction is
    (A) 75 %
    (B) 100 %
    (C) 50 %
    (D) 60 %

10. Steam turbines commonly used in steam power station are
    (A) Condensing type
    (B) Non-condensing type
    (C) Both (A) and (B)
    (D) None of the above

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