Economics of power generation

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

Sinking fund method
Straight line method
Diminishing value method
Halsey

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

Nuclear
Hydro
Thermal
Diesel

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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

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

Induction motor
Under excited synchronous motor
Over excited synchronous motor
D.C. generator

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75. A company can raise funds through

fixed deposits
shares
bonds
any of the above

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76. The load factor of domestic load is usually

10 to 15%
30 to 40%
50 to 60%
60 to 70%

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usually" class="read-more button" href="https://exam.pscnotes.com/mcq/the-load-factor-of-domestic-load-is-usually/#more-47812">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

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a fixed cost?" class="read-more button" href="https://exam.pscnotes.com/mcq/which-of-the-following-in-a-thermal-power-plant-is-not-a-fixed-cost/#more-47653">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%

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if the maximum demand on the plant is equal to the plant capacity, then" class="read-more
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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

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at" class="read-more button" href="https://exam.pscnotes.com/mcq/an-induction-motor-has-relatively-high-power-factor-at/#more-47491">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

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