Nuclear Engineering Question:

Which is the most commonly used molten metal for cooling of nuclear reactors ?

A. Calcium
B. Sodium
C. Mercury
D. Zinc

Nuclear Engineering Interview Question
Nuclear Engineering Interview Question

Answer:

Option B


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An electron has a mass that is approximately __________ that of the proton.

A. 1836 (approximately)
B. 1/1836 (approximately)
C. 1
D. ∞?		The amount of a radioactive material (having a half life of 100 years) remaining after 400 years will be __________ of its original weight.

A. 1/2
B. 1/4
C. 1/8
D. 1/16