Economics of power generation Archives - Page 8 of 10 - MCQ and Quiz for Exams

71. Which of the following is not a method for estimating depreciation charges?

Sinking fund method

Straight line method

Diminishing value method

Halsey

Detailed SolutionWhich of the following is not a method for estimating depreciation charges?

72. Which of the following generating station has minimum ruiyiing cost ?

Nuclear

Hydro

Thermal

Diesel

Detailed SolutionWhich of the following generating station has minimum ruiyiing cost ?

73. The increased load during summer months is due to

increased business activity

increased water supply

increased use of fans and air conditioners

none of the above

Detailed SolutionThe increased load during summer months is due to

74. A synchronous condenser is virtually which of the following?

Induction motor

Under excited synchronous motor

Over excited synchronous motor

D.C. generator

Detailed SolutionA synchronous condenser is virtually which of the following?

75. A company can raise funds through

fixed deposits

shares

bonds

any of the above

Detailed SolutionA company can raise funds through

76. The load factor of domestic load is usually

10 to 15%

30 to 40%

50 to 60%

60 to 70%

Detailed SolutionThe load factor of domestic load is usually

77. Which of the following, in a thermal power plant, is not a fixed cost?

Fuel cost

Interest on capital

Depreciation

Insurance charges

Detailed SolutionWhich of the following, in a thermal power plant, is not a fixed cost?

78. In a power plant if the maximum demand on the plant is equal to the plant capacity, then

Plant reserve capacity will be zero

Diversity factor will be unity

Load factor will be unity

Load factor will be nearly 60%

Detailed SolutionIn a power plant if the maximum demand on the plant is equal to the plant capacity, then

79. An induction motor has relatively high power factor at

rated r.p.m.

no load

20 percent load

near full load E. none of the above

Detailed SolutionAn induction motor has relatively high power factor at

80. Which of the following is not an operating cost ?

Maintenance cost

Fuel cost

Salaries of high officials

Salaries of operating staff

Detailed SolutionWhich of the following is not an operating cost ?

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