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.Management Sciences
Category: Economics of Power Generation
By the use of which of the following power factor can be improved?
A. Phase advancers
B. Synchronous compensators
C. Static capacitors
D. Any of the above
A consumer has to pay lesser fixed charges in____________?
A. flat rate tariff
B. two part tariff
C. maximum demand tariff
D. any of the above
Load shedding is possible through which of the following?
A. Switching of the loads
B. Frequency reduction
C. Voltage reduction
D. Any of the above
For high value of diversity factor, a power station of given installed capacity will be in a position to supply?
A. less number of consumers
B. more number of consumers
C. neither A. nor B.
D. either A. or B.
The effect of electric shock on human body depends on which of the following?
A. current
B. voltage
C. duration of contact
D. all of the above
Which of the following plants is almost inevitably used as base load plant?
A. Diesel engine plant
B. Gas turbine plant
C. Nuclear power plant
D. Pumped storage plant
Which of the following is not a method for estimating depreciation charges?
A. Sinking fund method
B. Straight line method
C. Diminishing value method
D. Halsey’s 50—50 formula
An induction motor has relatively high power factor at__________?
A. rated r.p.m.
B. no load
C. 20 percent load
D. near full load
Large capacity generators are invariably___________?
A. water cooled
B. natural air cooled
C. forced air cooled
D. hydrogen cooled
__________ is invariably used for peak load
A. Nuclear power plant
B. Steam turbine plant
C. Pumped storage plant
D. None of the above
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