Prioritize types of controls from most preferred to least preferred.

• A. Engineering, administrative, physical.
• B. Administrative, engineering, physical.
• C. Physical, engineering, administrative.
• D. Engineering, physical, administrative.

Answer: (A)

The main concept here is the hierarchy of controls, arranged from most to least effective. Engineering controls are preferred because they remove or minimize the hazard at the source without depending on people’s actions. Administrative controls come next, changing how people work through procedures, training, or policies, which reduces risk but relies on consistent human behavior. Physical controls (PPE) are used last because they depend on individuals to wear and properly use protective gear, and they don’t remove the hazard themselves.

So, ordering engineering first, then administrative, then physical aligns with this hierarchy, making it the best fit. The other sequences place less reliable options (like PPE) higher up, which weakens the overall protection.