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Nuclear Power Engineering

Nuclear Power Engineering
The ratio of volume of an atom to that of its nucleus is

10⁻¹²
10¹²
10⁸
10⁻⁸

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Nuclear Power Engineering
Which of the following is the most harmful for the human being?

Β-rays
Ultra violet rays
Γ-rays
X-rays

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Nuclear Power Engineering
Pressure of CO₂ gas (which is a coolant) in the Calder-Hall nuclear reactor is __________ kgf/cm² .

0.2
7
35
50

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

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

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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.

10
20
30
5

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Nuclear Power Engineering
Biological shield is provided in a nuclear power reactor to protect the __________ from radiation damage.

None of these
Walls of the reactor
Fuel elements
Operating personnels

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