If a Nuclear Fission Reactor Produces an Average Power of 1.0

question 103

Multiple Choice

If a nuclear fission reactor produces an average power of 1.0 GW over the course of a year,what mass of ²³⁵U is used up for a 365-day year if 200 MeV are released per fission reaction? (1 eV = 1.60 × 10^-19 J,m_neutron ≈ m_proton = 1.67 × 10-27 kg)

• A)0.35 kg
• B)1.75 kg
• C)390 kg
• D)1.1 × 10⁸ kg
• E)3.3 × 10⁸ kg

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Definitions:

Masseter

A facial muscle that plays a major role in the chewing of solid foods, one of the strongest muscles in the human body.

Semitendinosus

A muscle in the back of the thigh, part of the hamstring group.

Gastrocnemius

A large muscle located on the back portion of the lower leg, forming part of the calf, that aids in walking, running, and jumping.

Biceps Femoris

A muscle of the thigh that is part of the hamstrings, involved in knee flexion and thigh extension.