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

None of these
Mildly acidic (pH = 6) water
Ordinary water
Mildly alkaline (pH = 8) water

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Nuclear Power Engineering
A control rod

Should have large absorption cross-section
Should have small absorption cross-section
Is generally made of boron, hafnium or cadmium
Both B and C

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