WEST VIRGINIA CDL AIR BRAKES PRACTICE TEST
16.
If you get stuck on railroad tracks, you should:
|
get out of the vehicle and away from the tracks.
|
|
|
check the engine compartment quickly.
|
|
|
have a helper push your vehicle.
|
|
|
stay in the vehicle and call for help.
|
17.
With the air pressure built up to governor cutoff, the maximum leakage rates per minute are ___ psi for single vehicles and ___ psi for a combination of 2 vehicles.
|
5; 6
|
|
|
4; 5
|
|
|
3; 2
|
|
|
3; 4
|
18.
When should you downshift automatic transmissions?
|
When you want to go faster.
|
|
|
When you start to get drowsy.
|
|
|
Watch your tachometer, and downshift when your engine reaches the top of the range.
|
|
|
When going down steep grades.
|
19.
Service brakes should:
|
be checked before each trip.
|
|
|
always be checked before applying the brakes.
|
|
|
only be checked by a mechanic.
|
|
|
All of the above.
|
20.
You are coming down a long, steep downgrade. Which of the following is a sign that your brakes may have started to fade?
|
The brake pedal feels spongy or goes to the floor.
|
|
|
The steering feels heavy.
|
|
|
You have to apply your brakes harder and harder to get the same stopping power.
|
|
|
You hear a loud "bang".
|
Next page
NOT SURE YOU WILL PASS? GET CDL PREMIUM NOW! - Learn More