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Generation of Electrical Energy

Generation of Electrical Energy
The thermal efficiency of a steam power plant is about

69%
75%
28%
80%

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Generation of Electrical Energy
The knowledge of diversity factor helps in determining

Plant capacity
Units generated
None of these
Average load

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

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Generation of Electrical Energy
The voltage of a single solar cell is

0.5 V
1.0 V
2.0 V
0.2 V

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Generation of Electrical Energy
For the safety of a steam boiler the number of safety valves fitted are

three
four
one
two

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Generation of Electrical Energy
In thermal power plant, economiser are used to heat

Steam
Air
Feed water
None of these

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