Economics of power generation Archives

81. Load factor of a power station is defined as

$$rac{{{ ext{Maximum demand}}}}{{{ ext{Average load}}}}$$

$${ ext{Average load}} imes { ext{Maximum demand}}$$

$$rac{{{ ext{Average load}}}}{{{ ext{Maximum demand}}}}$$

$${left( {{ ext{Average load}} imes { ext{Maximum demand}}} ight)^{rac{1}{2}}}$$

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82. A power transformer is usually rated in

kVAR

kWh

kVA

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83. The effect of electric shock on human body depends on which of the following

current

voltage

duration of contact

all of the above

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84. Different generating stations use following prime movers

Diesel engine

Hydraulic turbine

Gas turbine

Any of the above

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85. A consumer has to pay lesser fixed charges in

flat rate tariff

two part tariff

maximum demand tariff

any of the above

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86. Salvage value of the plant is always

positive

negative

zero

any of the above

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87. Annual operating expenditure of a power plant consists of

fixed charges

semi-fixed charges

running charges

all of the above

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