GENERATION OF ELECTRICAL ENERGY QUIZ

Diesel power plants are used as________plant.

Peak load

Base load

Stand by

None of these

TRUE ANSWER : ?
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In thermal power plant, economiser are used to heat

Air

Steam

Feed water

None of these

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Example of overfeed type stoker is

travelling grate

chain grate

all of these

spreader

TRUE ANSWER : ?
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The thermal efficiency of a steam power plant is about

75%

28%

69%

80%

TRUE ANSWER : ?
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In a regenerative feed heating cycle, the optimum value of the fraction of steam extracted for feed heating

Decreases with increase in Rankine cycle efficiency

Increases with increase in Rankine cycle efficiency

Is unaffected by increase in Rankine cycle efficiency

None of these

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Steam turbines commonly used in steam power plant are

Non-condensing type

None of these

Condensing type

Both condensing and non-condensing type

TRUE ANSWER : ?
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Reflectors of a nuclear reactor are made up of

Boron

Beryllium

Cast iron

Steel

TRUE ANSWER : ?
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The value of the reheat factor is of the order of

1.0 to 1.5

Above 1.5

1.1 to 1.5

0.8 to 1.0

TRUE ANSWER : ?
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Rankine cycle efficiency of a good steam power plant may be in the range of

35 to 45 percent

90 to 95 percent

15 to 20 percent

70 to 80 percent

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The efficiency of chimney is approximately

20 %

0.25 %

80 %

40 %

TRUE ANSWER : ?
YOUR ANSWER : ?