Economics of power generation Archives - Page 7 of 10 - MCQ and Quiz for Exams

61. The knowledge of diversity factor helps in determining

plant capacity

average load

peak load

kWh generated E. none of the above

Detailed SolutionThe knowledge of diversity factor helps in determining

62. In which?of the following power plants the maintenance cost is usually high?

Nuclear power plant

Hydro-electric power plants

Thermal power plants

Diesel engine power plants

Detailed SolutionIn which?of the following power plants the maintenance cost is usually high?

63. Low power factor is usually not due to

Arc lamps

Induction motors

Fluorescent tubes

Incandescent lamp

Detailed SolutionLow power factor is usually not due to

64. Which of the following component, in a steam power plant, needs maximum maintenance attention?

Steam turbine

Condenser

Water treatment plant

Boiler

Detailed SolutionWhich of the following component, in a steam power plant, needs maximum maintenance attention?

65. For which of the following power plants highly skilled engineers are required for running the plants?

Nuclear power plants

Gas turbine power plants

Solar power plants

Hydro-electric power plants

Detailed SolutionFor which of the following power plants highly skilled engineers are required for running the plants?

66. Diversity factor has direct effect on the

fixed cost of unit generated

running cost of unit generated

both (A) and (B)

neither (A) nor (B)

Detailed SolutionDiversity factor has direct effect on the

67. ________ is invariably used for peak load

Nuclear power plant

Steam turbine plant

Pumped storage plant

None of the above

Detailed Solution________ is invariably used for peak load

68. A nuclear power plant is invariably used as a

peak load plant

base load plant

stand-by plant

spinning reserve plant E. any of the above

Detailed SolutionA nuclear power plant is invariably used as a

69. Maximum demand on a power plant is

the greatest of all ?short time interval averaged? demand during a period

instantaneous maximum value of kVA supplied during a period

both (A) or (B)

none of the above

Detailed SolutionMaximum demand on a power plant is

70. Load curve is useful in deciding the

operating schedule of generating units

sizes of generating units

total installed capacity of the plant

all of the above

Detailed SolutionLoad curve is useful in deciding the

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