Air Brakes Practice Test - Illinois
21.
In a vehicle with a dual air brake system:
|
one system supplies air to the trailer.
|
|
|
each system has its own air tanks.
|
|
|
both systems typically operate the regular brakes on the rear axle.
|
|
|
All of the above.
|
22.
What should you do to correct a drive-wheel braking skid?
|
Turn in the same direction as the skid.
|
|
|
Stop braking, turn the steering wheel quickly, push in the clutch, and countersteer.
|
|
|
Fully apply the brakes, turn the steering wheel quickly, push in the clutch, and countersteer.
|
|
|
None of the above.
|
23.
Rough acceleration:
|
is recommended during long trips.
|
|
|
can cause mechanical damage.
|
|
|
improves gas mileage.
|
|
|
is necessary to warm up the engine.
|
24.
Which of the following is NOT part of the air brake system?
|
Emergency brake system
|
|
|
Service brake system
|
|
|
Anti-lock brake system
|
|
|
Parking brake system
|
25.
ABS helps you:
|
steer gently and smoothly while you are braking.
|
|
|
avoid wheel lock up and maintain control of your vehicle when you brake.
|
|
|
increase your normal braking capability.
|
|
|
stop much faster.
|
GRADE ME
NOT SURE YOU WILL PASS? GET CDL PREMIUM NOW! - Learn More