Economics of Power Generation PART 2
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Attempt Free Economics of Power Generation PART 2 Here. Read The Important Electrical MCQ From Below.
16. The load of a system is shown in the figure above. The load factor of the system is
(A) 0.778
(B) 0.667
(C) 0.438
(D) 0.331.
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17. Load factor for the 0-6 hour period alone is
(A) 0.438
(B) 0.876
(C) 0.999
(D) 1.0.
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Economics of Power Generation PART 2
18. Load factor for the period 6-24 hours period is
(A) 0.438
(B) 0.5
(C) 0.876
(D) 1.0.
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19. Which plant can never have 100% load factor ?
(A) Nuclear power plant
(B) Hydro electric plant
(C) Peak load plant
(D) Base load plant.
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20. Which meter is installed at the premises of a consumer for recovery of charges of electrical energy
(A) Voltmeter
(B) Ammeter
(C) kVA meter
(D) kWh meter.
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Economics of Power Generation PART 2
21. For certain industrial applications the energy requirement is 500 kWh. If the heat losses are 20 percent the total energy to be made available will be
(A) 5000 kWh
(B) 4000 kWh
(C) 6000 k Wh
(D) 6000 kWh.
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22. A consumer finds that after running 10 kVA equipment on full load for six hours his energy consumption was 48 kW. It can be concluded that
(A) the load factor of the consumer for the day was unity
(B) the maximum demand of the consumer was 10 kW
(C) the equipment was drawing reactive power only
(D) power factor of the equipment was 0.8.
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23. Which equipment provides fluctuating load?
(A) Lathe machine
(B) Exhaust fan
(C) Welding transformer
(D) All of the above.
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Economics of Power Generation PART 2
24. A power plant supplying energy to a city will usually experience peak demand
(A) from midnight to early morning
(B) 8 AM to 12 noon
(C) 2 PM to 6 PM
(D) 6 PM to 12 PM.
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25. The ratio, maximum demand of the installation / sum of individual maximum demands is known as
(A) Demand factor
(B) Plant use factor
(C) Diversity factor
(D) Plant capacity factor.
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26. In a power plant a reserve generating capacity which is in operation but not in services known as
(A) Hot reserve
(B) Cold reserve
(C) Spinning reserve
(D) Firm power.
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27. Five consumers having peak demands of A, B, C, D, and E have individual load factors of 0.5. It can be concluded that
(A) their combined load factor will be 0.5
(B) their peak demand during the day will be
(A + B + C + D + E)
(C) their combined power consumption in a day will be 12 (A + B + C + D + E)
(D) their average demands are equal.
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Economics of Power Generation PART 2
28. In an interconnected system consisting of a nuclear power stations, steam station and diesel generating station, which plant can be used as base load plant ?
(A) Steam station
(B) Diesel generation plant
(C) Nuclear power station
(D) Any of the above.
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29. Fuel transportation cost is least in
(A) Diesel generating plant
(B) Steam power stations
(C) Nuclear powers plants.
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30. Capital cost per MWh is highest in case of
(A) steam power plants
(B) diesel engine power plants
(C) nuclear power plants
(D) hydroelectric power plants.
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