Economics of power generation
total installed capacity of the plant
sizes of the generating units
operating schedule of generating units
all of the above
Answer is Right!
Answer is Wrong!
52. Which of the following should be used for extinguishing electrical fires?
Water
Carbon tetrachloride fire extinguisher
Foam type fire extinguisher
CO2 fire extinguisher
Answer is Right!
Answer is Wrong!
Detailed SolutionWhich of the following should be used for extinguishing electrical fires?
53. The area under a load curve gives
average demand
energy consumed
maximum demand
none of the above
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Answer is Wrong!
54. Which of the following is the essential requirement of peak load plant?
It should run at high speed
It should produce high voltage
It should be small in size
It should be capable of starting quickly
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Answer is Wrong!
Detailed SolutionWhich of the following is the essential requirement of peak load plant?
55. The expected useful life of an hydroelectric power station is around
15 years
30 years
60 years
100 years
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Answer is Wrong!
Detailed SolutionThe expected useful life of an hydroelectric power station is around
56. Power plant is expected to have the longest life.
Steam
Diesel
Hydroelectric
Any of the above
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Answer is Wrong!
Detailed SolutionPower plant is expected to have the longest life.
57. Which of the following is not necessarily an advantage of interconnecting various power stations?
Improved frequency of power supplied
Reduction in total installed capacity
Increased reliability
Economy in operation of plants
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Answer is Wrong!
58. Generating capacity connected to the bus bars and ready to take load when switched on is known as
firm power
cold reserve
hot reserve
spinning reserve
Answer is Right!
Answer is Wrong!
59. The primary reason for low power factor is supply system is due to installation of
induction motors
synchronous motors
single phase motors
d.c. motors
Answer is Right!
Answer is Wrong!
Detailed SolutionThe primary reason for low power factor is supply system is due to installation of
60. Which of the following power plants need the least period for installation ?
Thermal power plant
Diesel power plant
Nuclear power plant
Hydro-electric power plant
Answer is Right!
Answer is Wrong!
Detailed SolutionWhich of the following power plants need the least period for installation ?