What is the visual difference in Power Density, Fuel Temperature, Moderator Temperature, and Moderator Density? What is the most efficient state of the power plant BOL, MOL, or EOL?
A) BOL refers to the beginning of life when power density is highest
B) MOL is the most efficient state with optimal moderator density
C) EOL indicates the end of life where fuel temperature decreases
D) Moderator temperature varies depending on the power plant's operational state