Not Sure You Will Pass?
Get a Pass Guarantee
Get a Pass Guarantee
UPGRADE TO CDL PREMIUM
1.
To brake in a way that will keep your vehicle in a straight line and allow you to turn if it becomes necessary, you can use:
|
the "controlled braking" method.
|
|
|
the "controlled braking" method or the "stab braking" method.
|
|
|
the "stab braking" method.
|
|
|
None of the above.
|
2.
The air storage tanks:
|
protects the tank and the rest of the system from too much pressure.
|
|
|
stop the compressor from pumping air.
|
|
|
are used to hold compressed air.
|
|
|
are connected to the engine through gears or a v-belt.
|
3.
When the air system is fully-charged, the air loss rate for a single vehicle with the engine off should be less than:
|
4 psi in one minute.
|
|
|
3 psi in one minute.
|
|
|
2 psi in 30 seconds.
|
|
|
2 psi in one minute.
|
4.
Most heavy-duty vehicles use:
|
pump-the-brake systems.
|
|
|
dual air brake systems.
|
|
|
single air brake systems.
|
|
|
triple air brake systems.
|
5.
Air tanks usually hold enough compressed air to allow the brakes to be used _________ even if the compressor stops working.
|
for 3 days
|
|
|
for one day
|
|
|
for one stop
|
|
|
several times
|
6.
Spring brakes are usually held back by:
|
the antilock braking system.
|
|
|
the brake pedal.
|
|
|
modulating control valves.
|
|
|
air pressure.
|
7.
The tire load rating is stated:
|
on each axle.
|
|
|
inside the suspension system.
|
|
|
on the dashboard.
|
|
|
on the side of each tire.
|
8.
The supply pressure gauges tell you how much air pressure:
|
is going to the brake chambers.
|
|
|
is in the air brakes.
|
|
|
you are applying to the brakes.
|
|
|
is in the air tanks.
|
9.
The use of brakes on a steep downgrade is:
|
much more effective than the engine braking effect.
|
|
|
a supplement to the braking effect of the engine.
|
|
|
the main braking factor.
|
|
|
dangerous, and should be avoided at all costs.
|
10.
The total stopping distance for vehicles with air brake systems is made up of __ different factors.
|
3
|
|
|
2
|
|
|
4
|
|
|
5
|
Next page
NOT SURE YOU WILL PASS? GET CDL PREMIUM NOW! - Learn More
Rate This Free Test