GENERATION OF ELECTRICAL ENERGY QUIZ

In which of the following power plants the maintenance cost is usually high

Hydroelectric plant

Thermal power plant

Nuclear power plant

Diesel power station

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Parson's turbine is

simple single wheel reaction steam turbine

simple single wheel, impulse steam turbine

pressure compounded steam turbine

multi wheel reaction steam turbine

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Pelton turbines are mostly

Inclined

Vertical

None of these

Horizontal

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In a power station, diversity factor _______ as we move from consumer to power station

Decreases

None of these

Increases

Remains same

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Steam turbines commonly used in steam power plant are

Non-condensing type

None of these

Both condensing and non-condensing type

Condensing type

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The overall efficiency of thermal power plant is equal to

Bioler efficiency × turbine efficiency × generator efficiency

Rankine cycle efficiency

Regenerative cycle efficiency

Carnot cycle efficiency

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In a thermal power station, superheater heats

Air

None of these

Feed water

Steam

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Example of overfeed type stoker is

all of these

chain grate

travelling grate

spreader

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Pelton turbine is suitable for high head and

None of these

Both low and high discharge

Low discharge

High discharge

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Area under the daily load curve divided by 24 hrs gives

None of these

Units generated

Average load

Maximum demand

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