Generally in nuclear engineering programs, one takes introductory mathematics, physics, chemistry, and engineering courses, and the engineering course is usually related to nuclear engineering. By the second year, one should have at least one course, or possibly two, in modern physics and nuclear physics. That covers some level of atomic and nuclear physics, with some particle physics. Assuming one wishes to work with nuclear reactors and power plants, one would take allied courses in mechanical and electrical engineering. The mechanical engineering courses include thermodynamics, fluid mechanics/dynamics and heat transfer as a minimum. The electrical engineering courses include introductory circuit theory, and perhaps an advanced course in circuit theory, electromechanics/electromagnetics, since nuclear energy in nuclear power plants is primarily used for generating electrical power, but there is also instrumentation and control, and radiation detection.
The core of the upper level involves courses in neutron physics, or reactor physics, and nuclear plant design. There are various electives, e.g., nuclear safety, environmental engineering (related to nuclear energy), radiation effects on materials (materials science and engineering related to radiation), fusion engineering, . . . . One would probably take a course in radiation protection.
I took courses in physics, materials science and engineering, corrosion engineering, aerospace engineering, and more advanced electrical engineering courses, since I was interested in advanced concepts, including nuclear propulsion for spacecraft .
