Practice question

Which step most reduces fill-site cycle time?

  1. Switching to a smaller diameter supply line
  2. Pre-staging connections and using dual LDH supply with a top fill
  3. Adding extra appliances inline
  4. Waiting for the engine to cool before refilling

Answer: B — Pre-staging connections and using dual LDH supply with a top fill

The correct answer is shown above. Try the full quiz for additional practice.

Practice more: NFPA D O Mobile Water Supply Practice Questions - NFPA 1002 Driver/Operator - Mobile Water Supply Apparatus Exam →