A. Improved frequency of power supplied
B. Reduction in total installed capacity
C. Increased reliability
D. Economy in operation of plants
A. Electric clock
B. Mixer grinder
C. Ceiling fan
D. Room heater
__________ will be least affected due to charge in supply voltage frequency. Read More »
Economics of Power Generation A. remains unchanged
B. decreases
C. increases
D. none of the above
In an interconnected system, the diversity factor of the whole system: Read More »
Economics of Power Generation A. 0.5 lagging
B. 0.5 leading
C. 0.95 lagging
D. 0.95 leading
For a consumer the most economical power factor is generally____________? Read More »
Economics of Power Generation A. High maintenance cost
B. Continuous losses in motor
C. Noise
D. All of the above
Which of the following is the disadvantage of a synchronous condenser? Read More »
Economics of Power Generation A. at the receiving end
B. at the sending end
C. either A. or (b)
D. none of the above
A. rated r.p.m.
B. no load
C. 20 percent load
D. near full load
An induction motor has relatively high power factor at__________? Read More »
Economics of Power Generation A. Phase advancers
B. Synchronous compensators
C. Static capacitors
D. Any of the above
By the use of which of the following power factor can be improved? Read More »
Economics of Power Generation A. It should run at high speed
B. It should produce high voltage
C. It should be small in size
D. It should be capable of starting quickly
Which of the following is the essential requirement of peak load plant ? Read More »
Economics of Power Generation A. Nuclear power plant
B. Steam turbine plant
C. Pumped storage plant
D. None of the above
__________ is invariably used for peak load Read More »
Economics of Power Generation