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Generation of Electrical Energy

Generation of Electrical Energy
Thermal efficiency of closed cycle gas turbine plant increases by

All of these
Intercooling
Regenerator
Reheating

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Generation of Electrical Energy
In which of the following power plants the maintenance cost is usually high

Thermal power plant
Hydroelectric plant
Diesel power station
Nuclear power plant

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

28%
80%
75%
69%

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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
pv1i = C
pv = C
pv

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Generation of Electrical Energy
The efficiency of chimney is approximately

20 %
40 %
80 %
0.25 %

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Generation of Electrical Energy
Pelton turbines are mostly

Horizontal
None of these
Vertical
Inclined

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