Which of the following element is used as a moderator in a nuclear reactor?
A. Light water
B. Dense water
C. Fresh water
D. Heavy water
Correct Answer: Heavy water
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A. Light water
B. Dense water
C. Fresh water
D. Heavy water
A. x + 7y
B. 3x + 7y
C. 7x + 3y
D. -7x – 3y
A. 50%
B. 125%
C. 100%
D. 25%
Submitted by: Ali
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A. 1
B. 2
C. 3
D. 4
A. Water
B. Iron
C. Glass
D. Vacuum
A. Dull
B. Dark
C. Obscure
D. Opaque
A. Troposphere
B. Stratosphere
C. Mesosphere
D. Thermosphere