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NUCLEAR POWER ENGINEERING

Nuclear Power Engineering
Thermal shield is used in high powered nuclear reactors to

Absorb the fast neutrons
Slow down the secondary neutrons
Protect the walls of the reactor from radiation damage
Protect the fuel element from coming in contact with the coolant

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Nuclear Power Engineering
Which of the following undergoes fission reaction easily?

Th-232
U-235
None of these
U-238

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Nuclear Power Engineering
H₂ is a better coolant than CO₂, due to its relatively

Non-reactivity to uranium
Higher specific heat
Lower neutron capture cross-section
Lower density

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Nuclear Power Engineering
Out of the following, nucleus of __________ atom contains the largest number of neutrons.

U-238
Pu-239
U-235
U-239

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Nuclear Power Engineering
The sum of masses of two nuclei produced in nuclear fission compared to the mass of original nucleus is

Less
Same
Much more
More

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