During loading of cargo tanks of flammable liquid, the driver must remain:
Correct. Driver must stay within 25 feet of the cargo tank during loading or unloading of flammable liquid and remain ready to act in emergency.
CDL Practice Question #287
Category: Hazmat
Why this question matters
This question is one of 68 in our Hazmat bank. The reasoning above comes directly from the AAMVA CDL Manual, the source document used by every U.S. state DMV. Memorizing the underlying rule — not just the letter answer — is what separates passing on the first attempt from a return trip and another fee.