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Generation of Electrical Energy

Generation of Electrical Energy
In a thermal power station, superheater heats

Air
Feed water
Steam
None of these

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Generation of Electrical Energy
Area under the daily load curve divided by 24 hrs gives

Units generated
Average load
None of these
Maximum demand

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Generation of Electrical Energy
Francis turbine is usually used for

High heads
Any of these
Low heads
Medium heads

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Generation of Electrical Energy
The pressure at the furnace is minimum in case of

induced draught system
balanced draught system
forced draught system
natural draught system

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Generation of Electrical Energy
The isentropic expansion of steam through nozzle for the steam initially dry saturated at inlet is approximated by equation.

pv1A = C
pv
pv = C
pv1i = C

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Generation of Electrical Energy
Artifical draught is produced by

Steam jet
Air fans
Fan or steam jet
All of these

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