AIR BRAKES PRACTICE TEST - MISSOURI
11.
Supply pressure gauges tell you:
|
when the air pressure in the tanks falls below 60 psi.
|
|
|
how much pressure is in the air tanks.
|
|
|
how much air pressure you are applying to the brakes.
|
12.
In vehicles with air brakes, water and compressor oil in the bottom of the air tank:
|
should be drained completely.
|
|
|
should be added regularly.
|
|
|
should not be removed.
|
13.
The parking brake:
|
should be used when driving in bad weather.
|
|
|
should be used when you need to apply the brakes firmly.
|
|
|
should be used whenever you park.
|
14.
You should drain the air tanks completely. If water and oil collect in the air tanks:
|
your brakes could fail.
|
|
|
your brakes could become hard to press.
|
|
|
your brakes could heat up.
|
15.
Which of the following is NOT correct? An ABS system:
|
helps you stop faster.
|
|
|
helps you avoid wheel lock up.
|
|
|
is a safety anti-skid braking system.
|
Next page
NOT SURE YOU WILL PASS? GET CDL PREMIUM NOW! - Learn More