GENERATION OF ELECTRICAL ENERGY QUIZ

Basic unit of of energy is

Joule/sec

Joule

Watt/sec

Watt

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If the diversity factor increases, the maximum demand on power station

Decreases

Increases

None of these

Remains same

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Pipe carrying steam are generally made up of

Steel

Aluminum

Copper

Cast iron

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The overall efficiency of thermal power plant is equal to

Carnot cycle efficiency

Rankine cycle efficiency

Regenerative cycle efficiency

Bioler efficiency × turbine efficiency × generator efficiency

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The efficiency of chimney is approximately

80 %

20 %

40 %

0.25 %

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The voltage of a single solar cell is

1.0 V

2.0 V

0.5 V

0.2 V

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The isentropic expansion of steam through nozzle for the steam initially dry saturated at inlet is approximated by equation.

pv

pv = C

pv1i = C

pv1A = C

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In case of ____ fuel transportation is the major problem.

Diesel power station

Thermal power plant

Nuclear power plant

Hydroelectric plant

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If the load factor of a power station increases, the cost of per unit generation will

Decreases

Remains same

Increases

Data incomplete

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Thermal efficiency of closed cycle gas turbine plant increases by

Intercooling

Regenerator

All of these

Reheating

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