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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