Foundamentals of Nuclear energy please help me to do this quize. True/False (mar

Question

Foundamentals of Nuclear energy please help me to do this quize.

True/False (mark the correct answer; some explanation is required to support your answer) (1 times 10 = 10) Generally, a CANDU reactor has a large pressure vessel. True False the ideal c/a of a HCP unit cell is 1.363. True False Hafnium can serve as a good fuel cladding material. True False Alpha-Zr has a face centered cubic crystal structure. True False For a crystallographic plane (hail) in a HCP crystal, the following relationship, h + k = i, is valid. True False the normal direction to any plane (hail) in a HCP crystal will always have a Miller-Braais index of [hail], True False the atomic packing factor of simple cubic crystal is about 0.32. True False One of the reasons that aluminum is not used as a fuel cladding material in LWRs is because it has a low neutron capture cross-section. True False the U^238 isotope of uranium is known as a 'fertile' fuel. True False Divacancies are more prevalent than monovacancies under general conditions. True False

Explanation / Answer

a) CANDU ( Canada deuterium uranium) are reactore used to generate power from heavy water (D2O) i.e. dueterium oxide. Fuel used is Uranium. It is a large pressure vessel.

Hence it is True.

i) U-238 also called as fertile fuel.

Hence it is True.

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