GENERATION OF ELECTRICAL ENERGY QUIZ

For which of the following power plants highly skilled engineers are required for running the plants?

Hydroelectric plant

Diesel power plant

Nuclear power plant

Solar power plant

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The efficiency of a modern boiler using coal and heat recovery equipment is about

25 to 30%

65 to 70%

40 to 50%

85 to 90%

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Francis turbine is usually used for

Low heads

Medium heads

High heads

Any of these

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The peak power supplied by peak load station is

None of these

Very costly

Same expensive as base load

Very cheap

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The ideal load factor should be

0.5

0.8

1

0.2

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

pv = C

pv

pv1A = C

pv1i = C

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Load factor is generally

None of these

Equal to 1

More than 1

Less than 1

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The highest point on the daily load curve represent

Maximum demand

None of these

Load factor

Average demand

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The diesel power station is generally used as

Base load plant

None of these

Both peak & base load plant

Peak load plant

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For satellite the source of energy is

Battery

Any of these

Solar cell

Cryogenic storage

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