Which item is considered special-purpose tank-vehicle equipment that must be checked for proper operation?
Correct answer: B. – A vapor-recovery kit
A vapor-recovery kit is special-purpose equipment found on some tank vehicles. If the vehicle has one, the driver must make sure it works. Other examples include grounding and bonding cables, emergency shutoff systems, and built-in fire extinguishers, while headlights and windshield wipers are standard vehicle equipment.
Source: Georgia Commercial Driver's Study Guide — § 8.1.2, “Check Special Purpose Equipment”

