CDL AIR BRAKES PRACTICE TEST - IDAHO
6.
The spring brakes come on:
|
when you bring the vehicle to a complete stop right away.
|
|
|
when main air pressure is lost.
|
|
|
when air pressure in both air brake systems rises to a value set by the manufacturer.
|
7.
Vehicles with air brakes require more stopping distance than vehicles with hydraulic brakes. Why?
|
Stopping distance for vehicles with air brakes is made up of six different factors.
|
|
|
Air brakes use different brake drums.
|
|
|
It takes one half second or more for the air to flow through the lines to the brakes.
|
8.
Radial and bias-ply tires:
|
should be used together only when driving in packed snow.
|
|
|
should not be used together.
|
|
|
should be used together.
|
9.
When using a fire extinguisher, you should stay:
|
as far away from the fire as possible.
|
|
|
as close to the fire as possible, without getting burnt.
|
|
|
at least 10 feet away from the fire.
|
10.
A low air pressure warning signal is required on:
|
all vehicles with air brakes.
|
|
|
all vehicles with air brakes built after 2005.
|
|
|
all vehicles with air brakes built after 2009.
|
Next page
NOT SURE YOU WILL PASS? GET CDL PREMIUM NOW! - Learn More