Practice question
Why can a tanker roll over even when the driver is below the normal highway speed limit?
- Curve radius, ramp design, high center of gravity, and liquid movement can make the safe speed much lower
- Tankers can only roll over above 80 mph
- Rollover is impossible below the posted limit
- Only empty tankers roll over
Answer: A — Curve radius, ramp design, high center of gravity, and liquid movement can make the safe speed much lower
The correct answer is shown above. Try the full quiz for additional practice.
Practice more: Pennsylvania CDL Tanker Test Practice Questions - Pennsylvania Commercial Driver License (CDL) Tanker Vehicles Endorsement Test Exam →