AIR BRAKES PRACTICE TEST - HAWAII
11.
The ABS malfunction lamp on the instrument panel is:
|
Orange
|
|
|
Red
|
|
|
Yellow
|
12.
Pressing and releasing the brake pedal unnecessarily can:
|
let air out faster than the compressor can replace it.
|
|
|
causes friction, which slows the vehicle.
|
|
|
apply more air pressure.
|
13.
The braking power of the spring brakes:
|
is not affected by the condition of the service brakes.
|
|
|
is not affected by the air pressure level.
|
|
|
depends on the brakes being in adjustment.
|
14.
On
a tractor-trailer equipped with a trailer brake hand
valve, the hand valve can be used to:
|
hold compressed air.
|
|
|
keep from rolling back.
|
|
|
prevent movement of cargo.
|
15.
In air-operated disc brakes, the pressure of the ______ on the ______ turns a "power screw".
|
brake chamber; slack adjuster
|
|
|
brake camshaft; tie rod
|
|
|
slack adjuster; tie rod
|
Next page
NOT SURE YOU WILL PASS? GET CDL PREMIUM NOW! - Learn More