Question 2 of 120

You find a small leak near a valve on a tank vehicle during inspection. What should you do?

Pick an answer

Tighten the valve and continue the trip
Do not drive the vehicle until the leak is fixed
Drive slowly to reduce pressure on the leak until you reach a shop that can look at it
Note it for the next scheduled inspection

Correct!

Not quite. The correct answer is highlighted.

Show answer

Correct answer to question 2 (Tank Vehicles): Do not drive the vehicle until the leak is fixed

Why

A leaking valve on a loaded tank can worsen once the vehicle is moving and vibrating, so it needs to be fixed before the trip, not managed around.

Updated: November 2026

Get ready for the knowledge testFree for iPhone and Android