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Nuclear Power Engineering

Nuclear Power Engineering
Nuclear reactors are provided with shield to guard against the emission of mainly __________ rays.

Neutrons & gamma
Infrared
X
α and β

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Nuclear Power Engineering
Fission of U-235 on slow neutron bombardment can be represented by

92U235 + 0n1 → 56Ba143 + 36Kr90 + 3 0n1
92U235 + 0n1 → 56Ba143 + 36Kr90
92U235 + 0n1 → 56Ba143 + 36Kr90 + 3 0n1 + Q (energy)
92U235 + 0n1 → 92U236 + 3 0n1+ Q (energy)

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Nuclear Power Engineering
The ratio of mass of a neutron to that of an electron is about 1839. What is the ratio of the mass of a proton to that of an electron?

159
1837
2537
10000

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Nuclear Power Engineering
The most abundant isotope of natural uranium is

92U238
92U235
92U234
None of these

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Nuclear Power Engineering
Which of the following is not, a fertile material?

Th-232
U-233
U-238
None of these

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Nuclear Power Engineering
'Heavy water' is termed as 'heavy' because it is

An oxide of heavier isotope of oxygen
An oxide of deuterium
Denser than water
A heavy liquid

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