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Generation of Electrical Energy

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

pv
pv1A = C
pv = C
pv1i = C

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Generation of Electrical Energy
The modern steam turbine are

Impulse-reaction turbines
Impulse turbine
None of these
Reaction turbine

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Generation of Electrical Energy
In an interconnected grid system, the diversity factor of the whole system

Increases
None of these
Decreases
Remains same

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Generation of Electrical Energy
Blowing down of boiler water is the process

None of these
to increase the steam temperature
to reduce the boiler pressure
to control the solid concentration in the boiler water by removing some of the concentrated saline water

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Generation of Electrical Energy
To supply base load of a power station, _______ power plant is very suitable.

Diesel power station
Gas power station
None of these
Nuclear power plant

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Generation of Electrical Energy
The value of the reheat factor is of the order of

0.8 to 1.0
Above 1.5
1.0 to 1.5
1.1 to 1.5

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