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Generation of Electrical Energy

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

75%
28%
80%
69%

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Generation of Electrical Energy
Francis turbine is usually used for

Low heads
High heads
Any of these
Medium heads

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Generation of Electrical Energy
The diesel power station is generally used as

None of these
Base load plant
Peak load plant
Both peak & base load plant

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Generation of Electrical Energy
Reflectors of a nuclear reactor are made up of

Boron
Beryllium
Cast iron
Steel

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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.

pv = C
pv1A = C
pv1i = C
pv

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Generation of Electrical Energy
The function of a moderator in a nuclear reactor is

To speed up the slow moving electrons
To start the chain reaction
To transfer heat produced inside the reactor to a heat exchanger
To slow down the fast moving electrons

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