AIR BRAKES PRACTICE TEST - IDAHO
21.
Parking brakes are:
|
not required on commercial vehicles with air brakes.
|
|
|
required on all vehicles.
|
|
|
not required on trailers.
|
22.
It may not be safe to operate at legal maximum weights:
|
on two-way streets.
|
|
|
in hot weather.
|
|
|
during bad weather or in mountains.
|
23.
With brake drums, if brakes become too hot:
|
your ABS will malfunction.
|
|
|
the brakes may stop working.
|
|
|
the brakes will supply too much power to the drive wheels.
|
24.
The parking brake:
|
should be used whenever you park.
|
|
|
should be used when driving in bad weather.
|
|
|
should be used when you need to apply the brakes firmly.
|
25.
Most heavy duty vehicles use ___ air brake systems for safety.
|
triple
|
|
|
single
|
|
|
dual
|
GRADE ME
NOT SURE YOU WILL PASS? GET CDL PREMIUM NOW! - Learn More