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Generation of Electrical Energy

Generation of Electrical Energy
Which of the following component, in a steam power plant, needs maximum maintenance attention?

Boiler
Water treatment plant
Steam turbine
Condenser

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Generation of Electrical Energy
Rankine cycle efficiency of a good steam power plant may be in the range of

15 to 20 percent
35 to 45 percent
70 to 80 percent
90 to 95 percent

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Generation of Electrical Energy
Example of overfeed type stoker is

travelling grate
spreader
chain grate
all of these

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Generation of Electrical Energy
The function of a moderator in a nuclear reactor is

To speed up the slow moving electrons
To transfer heat produced inside the reactor to a heat exchanger
To start the chain reaction
To slow down the fast moving electrons

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Generation of Electrical Energy
Parson's turbine is

simple single wheel reaction steam turbine
pressure compounded steam turbine
multi wheel reaction steam turbine
simple single wheel, impulse steam turbine

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Generation of Electrical Energy
The diversity factor is always

Less than 1
None of these
Equal to 1
Greater than 1

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