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.Management Sciences
Category: Economics of Power Generation
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
Annual depreciation of the plant it proportional to the earning capacity of the plant vide
A. sinking fund depreciation
B. straight line depreciation
C. reducing balances depreciation
D. none of the above
_____________can generate power at unpredictable or uncontrolled times?
A. Solar power plant
B. Tidal power plant
C. Wind power plant
D. Any of the above
The load factor of domestic load is usually____________?
A. 10 to 15%
B. 30 to 40%
C. 50 to 60%
D. 60 to 70%
In which’of the following power plants the maintenance cost is usually high?
A. Nuclear power plant
B. Hydro-electric power plants
C. Thermal power plants
D. Diesel engine power plants
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