Chemical Engineering - Nuclear Power Engineering

41. 

The phenomenon of nuclear fission is opposite to that of

A. radioactive decay
B. thermionic emission
C. nuclear fusion
D. combustion

Answer: Option C

Explanation:

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42. 

An ideal coolant for a nuclear reactor should

A. be a good absorber of neutrons.
B. be capable of attaining high temperature, only when it is pressurised.
C. have high density, but low heat transfer co-efficient.
D. be free from radiation damage and non-corrosive.

Answer: Option D

Explanation:

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43. 

The size of an atom is of the order of one

A. °Angstrom
B. fermi
C. micron
D. mm

Answer: Option A

Explanation:

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44. 

'Light water' used as a coolant in nuclear reactor is nothing but

A. ordinary water.
B. mildly acidic (pH = 6) water.
C. mildly alkaline (pH = 8) water.
D. none of these.

Answer: Option A

Explanation:

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45. 

Isotopes of an element have different

A. mass number
B. electronic configuration
C. nuclear charge
D. chemical properties

Answer: Option A

Explanation:

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