Pre-Trip Inspection & Special Equipment
18 free questions, part of the Tanker (N) Endorsement CDL practice test
Before you load, unload, or move a tank vehicle, check that every valve is in the right position and that manhole covers and vents are secure. Driving with a leaking tank gets you placed out of service and cited, and on top of that you can be held liable for the spill. ELDT.io's free bank has 18 practice questions covering valve checks, leak detection, and special equipment like grounding and bonding cables.
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Start Class A CDL Theory ($15)Questions about Pre-Trip Inspection & Special Equipment
What's the most important thing to check on a tank vehicle pre-trip?
Checking for leaks is the top priority. A leaking tank gets the vehicle placed out of service and the driver cited, and the driver can also be held liable for whatever the leak damages or contaminates.
What are grounding and bonding cables for on a tanker?
They equalize static electricity between the tank and the receiving container during loading or unloading of flammable liquids, which prevents a spark from igniting vapors. This comes from 49 CFR 177.837(b)-(c), and the equipment has to be hooked up correctly before transfer starts, not just carried on the truck.