Practice question

What is the rule for open valves or manhole covers?

It is allowed for nonhazardous liquids
It is allowed only on local roads
Never drive with open valves or manhole covers
Drive slowly if less than half full

Answer: C — Never drive with open valves or manhole covers

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

Practice more: FL CDL Tanker Practice Questions - Florida CDL Tanker Vehicles Endorsement Test Exam →