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Nuclear Power Engineering

Nuclear Power Engineering
If 4 gm of a radioisotope has a half life period of 10 days, the half life of 2 gm of the same istotope will be __________ days.

20
5
30
10

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Nuclear Power Engineering
The time taken for a radioactive element to reduce to 50% of its original weight is __________ years, if its half life period is 12 years.

18
6
24
36

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Nuclear Power Engineering
Primary purpose of a __________ nuclear reactor is to supply a high neutron flux of the order of 10¹³ to 10¹⁴ neutrons/cm² second.

Research
Homogeneous
Power
Breeder

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Nuclear Power Engineering
Spent fuel from the nuclear thermal reactor contains

Fission products
Unused fuel
Plutonium
All of these

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

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

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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-239
U-235

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