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Generation of Electrical Energy

Generation of Electrical Energy
Which of the following material is used as a moderator in nuclear power plant?

Boron
Calcium
Plutonium
Graphite

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Generation of Electrical Energy
Binary vapor cycles are used to

Increase the performance of the condenser
Increase efficiency of the turbine
None of these
Increase the efficiency of the plant

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Generation of Electrical Energy
Steam turbines commonly used in steam power plant are

Condensing type
Both condensing and non-condensing type
None of these
Non-condensing type

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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 = C
pv
pv1A = C

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Generation of Electrical Energy
In coal preparation plant, magnetic separators are used to remove

Sand
Clinkers
Iron particles
Dust

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Generation of Electrical Energy
The draught produced by steel chimney as compared to that produced by brick chimney for the same height is

Same
Less
May be more or less
More

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