Power system MCQ #1

Power system MCQ 01 to 05:

1) Tarapur nuclear power plant has which type of reactor?
           A) Boiling water type.
           B) Pressurized water reactors.
           C) CANDU type reactors.
           D) None of these.

2) Air- preheater in a steam power plant_____________.
           A) Recovers the heat from the flue gases leaving the economiser.
           B) Improves combustion rate.
           C) Raises the temperature of the furnace gases.
           D) All of these.

3) A condenser condenses the steam coming out from___________.
           A) Boiler
           B) Turbine
           C) Economiser
           D) Super heater

4) The best coal suitable for the production of energy is_________________.
           A) Lignite
           B) Bituminous
           C) Anthracite
           D) Peat

5) The coal with highest ash content is ________.
           A) Lignite
           B) Steam coal
           C) Coking coal
           D) Bituminous coal

ANSWER: | 1-A | 2-D | 3-B | 4-C | 5-A |


Power system MCQ 06 to 10:

6) What is the percentage of ash content in Indian coal?
           A) 5 %
           B) 10 %
           C) 20 %
           D) 30 %

7) Which state in India among these doesn’t have a gas turbine plant?
           A) Jammu Kashmir
           B) Tripura
           C) Tamil Nadu
           D) Bihar

8)  Gas turbine plants are not used ___________.
           A) as peak load plants.
           B) as base load plants.
           C) as standby power plants.
           D) in combination with the steam power plants.

9) The diesel plants are mainly used ________.
           A) as peak load plants.
           B) as base load plants.
           C) as standby power plants.
           D) both peak and stand by plants.

10) A module in a solar panel refers to_______________.
           A) series arrangement of solar cells.
           B) parallel arrangement of solar cells.
           C) series and parallel arrangement of solar cells.
           D) None of the above

ANSWER: | 6-C | 7-C | 8-B | 9-D | 10-C |


Power system MCQ 11 to 15:

12) The installed capacity of wind energy in India is about
           A) 8000 MW
           B) 1500 MW
           C) 6000 MW
           D) 4000 MW

13) Tidal energy utilises
           A) Kinetic energy of water
           B) Potential energy of water
           C) Both (a) and (b)
           D) None of the above

14)  In Geothermal power plants waste water is
           A) Discharged back to earth.
           B) Discharged into the sea.
           C) Recirculated after cooling in cooling towers.
           D) Evaporated in ponds.

15) What is a load curve?
           A) A plot of load vs current.
           B) A plot of load vs time.
           C) A plot of load vs duration of time.
           D) Total number of units generated vs time.

ANSWER: | 11-B | 12-A | 13-B | 14-A | 15-B |


Power system MCQ 16 to 20:

16)  Load curve of a generation is always
           A) Positive slope
           B) Zero slope
           C) Negative slope
           D) Combination of (a), (b) and (c)

17) What is a load factor?
           A) The ratio of average to maximum demand.
           B) The ratio of maximum demand to average load.
           C) The product of maximum demand and average load.
           D) The ratio of average load to the plant capacity.

18) What is operating value of diversity factor?
           A) Greater than unity
           B) Less than unity
           C) Always more than unity
           D) Normally more than unity

19) A large diversity factor of the load in a power system
           A) Reduces the installation cost.
           B) Increases the installation cost.
           C) Does not affect the installation cost.
           D) None of the above

20)  Maximum demand on the power system is
           A) Sum of the maximum demands of all its consumers.
           B) Greatest average load in a specified time.
           C) Peak value of load in a specified time.
           D) All of the above.

ANSWER : |16-D | 17-A | 18-A | 19-A | 20-D |