Nuclear Power Engineering
Liquid metal (e.g, . molten sodium) is preferred as a coolant in case of a/an __________ reactor.

Homogeneous
Fast breeder
Enriched uranium (3% U-235) fuelled
Graphite moderated

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Nuclear Power Engineering
The main purpose of control rod in a nuclear reactor is to control the

Chain reaction and hence the power output by regulating the number of secondary neutrons causing fission
Velocity of the secondary neutrons
Conversion of fissile material into fertile material
Emission of hazardous radiation

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