You are doing a walk around inspection of a double or triple trailer rig. You should be sure the converter dolly air tank drain valves are _ and the pintle hook is _____.

A closed, latched

explanation

Coupling System Areas: Converter dolly air tank drain valve: Closed. Make sure pintle hook is latched.

Take more free practice tests for other CDL topics with our free cdl prep test now!

Comments

You are doing a walk around inspection of a double or triple trailer rig. You should be sure the converter dolly air tank drain valves are _____ and the pintle hook is _________.