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Generation of Electrical Energy

Generation of Electrical Energy
Artifical draught is produced by

Air fans
All of these
Steam jet
Fan or steam jet

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

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Generation of Electrical Energy
Bio gas consist of

Only methane
A special organic gas
Methane and CO2 with some impurities
None of these

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Generation of Electrical Energy
Steam pressure in a steam power station, which is usually kept now-a-days is of the order of

80 kgf/cm²
20 kgf/cm²
50 kgf/cm²
100 kgf/cm²

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Generation of Electrical Energy
Pipe carrying steam are generally made up of

Cast iron
Steel
Aluminum
Copper

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Generation of Electrical Energy
The capacity of the power plant is generally made _______ more than the maximum demand to meet the future load requirements.

55% to 60%
60% to 70%
90% to 95%
15% to 20%

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