Economics Of Power Generation MCQ Questions & Answers

1

Which of the following is not a source of power ?

A) Thermocouple B) Photovoltaic cell C) Solar cell D) Photoelectric cell

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Answer & Solution

Answer: Option A

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2

Depreciation charges are high in case of

A) thermal plant B) diesel plant C) hydroelectric plant D) none of the above

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Answer & Solution

Answer: Option A

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3

_______ is invariably used as base load plant.

A) Diesel engine plant B) Nuclear power plant C) Gas turbine plant D) Pumped storage plant

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Answer & Solution

Answer: Option B

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4

An alternator coupled to a _____ runs at slow speed, as compared to as compared to others.

A) diesel engine B) hydraulic turbine C) steam turbine D) gas turbine

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Answer & Solution

Answer: Option B

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5

For a consumer the most economical power factor is generally

A) 0.5 lagging B) 0.5 leading C) 0.95 lagging D) 0.95 leading

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Answer & Solution

Answer: Option C

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6

A pilot exciter is provided on generators for which of the following reasons ?

A) To excite the poles of main exciter B) To provide requisite starting torque to main exciter C) To provide requisite starting torque to generator D) None of the above

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Answer & Solution

Answer: Option A

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7

Which of the following source of power is least reliable ?

A) Solar energy B) Geothermal power C) Wind power D) MHD

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Answer & Solution

Answer: Option C

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8

Which lightening stroke is most dangerous ?

A) Direct stroke on line conductor B) Indirect stroke on conductor C) Direct stroke on tower top D) Direct stroke on ground wire

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Answer & Solution

Answer: Option A

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9

Direct conversion of heat into electric power is possible through

A) fuel cell B) batteries C) thermionic converter D) all of the above

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Answer & Solution

Answer: Option C

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10

Direct conversion of heat into electrical energy is possible through

A) fuel cells B) solar cells C) MHD generators D) none of the above

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Answer & Solution

Answer: Option C

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Economics Of Power Generation MCQ Questions & Answers | Electrical Engineering