A boiling water reactor is the one, in which the
A. coolant water is allowed to boil in the core of the reactor
B. coolant water, after being heated in the reactor core, generates steam in a boiler
C. pressurised water is pumped into the core
D. fuel & the coolant are thoroughly mixed to form a homogeneous solution
Answer: Option A
An ideal coolant for a nuclear reactor should be
A. a good absorber of neutrons
B. capable of attaining high temperature, only when it is pressurised
C. of high density, but of low heat transfer coefficient
D. free from radiation damage & non-corrosive
Decay product of tritium which is a Beta emitter is
A. hydrogen
B. helium
C. deuterium
D. none of these
The function of moderators in nuclear reactor is to
A. slow down the secondary neutrons
B. absorb the secondary neutrons
C. control the chain reaction
D. none of these

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