In accordance with Coast Guard Regulations (46 CFR Part 112), which of the listed starting aids is acceptable for use with the emergency diesel generator?

Correct Answer: Option B — Thermostatically controlled electric water jacket heater.

Title 46 CFR Part 112 mandates dependable starting systems for emergency generators. A thermostatically controlled electric water jacket heater ensures proper engine block temperature for reliable, immediate starting without hazardous chemical aids.