Q.1
An air supply control lever should be in its "normal" position when you are:
Q.2
Older trailers are not equipped with spring brakes. This means that if the air supply for a vehicle's air braking system leaks away:
Q.3
In a double or triple combination:
Q.4
To prevent a rollover, cargo should be:
Q.5
The trailer hand valve should:
Q.6
Watching the road ahead:
Q.7
What is a bobtail tractor?
Q.8
The trailer hand valve should be used:
Q.9
If you are operating a vehicle built before 1998 and are unsure if the trailer has an Anti-Lock Braking System (ABS), you can:
Q.10
When a vehicle goes around a corner, the rear wheels:
Q.11
To find out if a vehicle that was built before 1998 has an Anti-Lock Braking System (ABS), you can:
Q.12
If a load is placed on one side of a trailer, the trailer:
Q.13
What can the “crack-the-whip” effect do?
Q.14
When connecting a converter dolly to a second trailer, the trailer height should be ____ the center of the fifth wheel.
Q.15
When braking while pulling a trailer equipped with anti-lock brakes, you should:
Q.16
Rearward amplification refers to:
Q.17
In a double or triple combination, the ____ trailer should be directly behind the cab.
Q.18
Bobtail tractors are ____ to stop than tractors attached to full semitrailers.
Q.19
Before a drive, ensure that air flows to all trailers by:
Q.20
A trolley valve:
0 h : 0 m : 1 s