Chemical Engineering - Nuclear Power Engineering

31. 

Secondary cooling circuit is a must in molten sodium cooled fast breeder reactor for

A. achieving high degree of superheat in the steam.
B. faster heat removal rate from the core.
C. lowering the coolant circulation pressure.
D. avoiding the mixing of water with radioactive sodium, as it may cause explosion.

Answer: Option D

Explanation:

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32. 

The main purpose of control rod in a nuclear reactor is to control the

A. chain reaction and hence the power output by regulating the number of secondary neutrons causing fission.
B. emission of hazardous radiation.
C. conversion of fissile material into fertile material.
D. velocity of the secondary neutrons.

Answer: Option A

Explanation:

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33. 

Nuclear power reactor located at Tarapur is of __________ type.

A. fast breeder
B. pressurised water
C. boiling water
D. gas cooled

Answer: Option C

Explanation:

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34. 

Which of the following is not an ore of uranium ?

A. Pitchblende
B. Kyanite
C. Carnotite
D. Rescolite

Answer: Option B

Explanation:

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35. 

Which one is different for the neutral atoms of the isotopes of an element ?

A. Atomic weights
B. Atomic numbers
C. Number of protons
D. Number of electrons

Answer: Option A

Explanation:

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