136. During the vehicle inspection checking of ___ will NOT prevent a fire?
Battery fluid level.
137. When it is necessary to learn how a fire extinguisher works?
Before the fire happens.
138. What is the most important reason to inspect your truck or bus?
Safety.
139. You are checking your steering and exhaust system in a pre-trip inspection. Which of these problems, if found, should be fixed before the vehicle is driven:
Steering wheel play of more than 10 degrees (2 inches on 20 inches steering wheel).
140. Convex (curved) mirrors:
They show the wider area than flat mirrors show.