ECONOMICS OF POWER GENERATION QUIZ

For the same cylinder dimensions and speed, which of the following engine will produce least power?

Petrol engine

Supercharged engine

All of these

Diesel engine

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Maximum demand tariff is generally not applied to domestic consumers because

They consume less power

None of the listed here

Their maximum demand is low

Their load factor is low

TRUE ANSWER : ?
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Power generation cost reduces as

Diversity factor decreases and load factor increases

Both diversity favtor as well as load factor decrease

Diversity factor increases and load factor decreases

Both diversity factor as well as load factor increase

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

Load factor will be unity

Plant reserve capacity will be zero

Diversity factor will be unity

Load factor will be nearly 60%

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Generating capacity connected to the busbars and ready to take load when switched on is known as

Firm power

Spinning reserve

Hot reserve

Cold reserve

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______ public sector undertaking is associated with erection and sometimes running of thermal power plants.

SAIL

BHEL

NTPC

BEL

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The load factor of domestic load is usually

10 to 15%

30 to 40%

60 to 70%

50 to 60%

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The connected load of a IVMIM uir consumer is around

120 kW

80 kW

40 kV

5 kW

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When power factor is improved, the lagging kVAR drawn from the supply will

None of the listed here

Remains same

Increase

Decrease

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The most economical power factor for a consumer is generally

0.6 lagging

1

0.75 lagging

0.95 lagging

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