AIR BRAKES CDL PRACTICE TEST - RHODE ISLAND
6.
When should you downshift automatic transmissions?
|
Watch your tachometer, and downshift when your engine reaches the top of the range.
|
|
|
When going down steep grades.
|
|
|
When you start to get drowsy.
|
7.
Truck tractors with air brakes built after March 1, 1997, are required to be equipped with:
|
a rear backup camera.
|
|
|
hydraulic brakes.
|
|
|
anti-lock brakes.
|
8.
Front wheel braking is good:
|
under all conditions.
|
|
|
Never.
|
|
|
only in wet conditions.
|
9.
Excessive use of the service brakes results in overheating. Too much heat can:
|
cause the brakes apply unevenly.
|
|
|
make the brakes stop working.
|
|
|
cause the brakes to grab.
|
10.
What is a dual air brake system?
|
2 separate air brake systems: one system operates the left brakes, the other system operates the right brakes.
|
|
|
2 separate air brake systems: one system operates the front brakes, the other system operates the rear brakes.
|
|
|
2 separate air brake systems: one system for daytime driving, the other system for nighttime driving.
|
Next page
NOT SURE YOU WILL PASS? GET CDL PREMIUM NOW! - Learn More