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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?

Water treatment plant
Boiler
Steam turbine
Condenser

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Generation of Electrical Energy
For which of the following power plants highly skilled engineers are required for running the plants?

Solar power plant
Nuclear power plant
Diesel power plant
Hydroelectric plant

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Generation of Electrical Energy
The overall efficiency of thermal power plant is equal to

Bioler efficiency × turbine efficiency × generator efficiency
Rankine cycle efficiency
Carnot cycle efficiency
Regenerative cycle efficiency

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Generation of Electrical Energy
Francis, Kaplan and propeller turbines fall under the category of

Impulse turbine
Axial flow
Impulse reaction combined
Reaction turbine

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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.

pv1i = C
pv
pv = C
pv1A = C

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Generation of Electrical Energy
The draught in locomotive boilers is produced by

Only motion of locomotive
Chimney
Steam jet
Forced fan

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