Q.1
To prevent a trailer from rolling over, you should:
Q.2
In a double or triple combination:
Q.3
Large combination vehicles take the longest amount of time to stop:
Q.4
Avoid needing to make sudden lane changes by:
Q.5
The service air line is attached to the:
Q.6
A loss of air pressure in the emergency line will cause:
Q.7
Compared to other commercial motor vehicles, combination vehicles need more space on the road because they are longer and they:
Q.8
To lower the risk of a rollover, you should:
Q.9
An Anti-Lock Braking System (ABS):
Q.10
If unsure if a trailer is equipped with ABS, you can:
Q.11
An air supply control lever should be in its "normal" position when you are:
Q.12
If your trailer goes off course while you are backing, you should:
Q.13
Operating a combination vehicle usually requires ­­­­­____ operating a single vehicle.
Q.14
If a trailer begins to skid, the driver should:
Q.15
When connecting a converter dolly to a second or third trailer, the trailer height should be:
Q.16
Fully-loaded rigs:
Q.17
What is off-tracking?
Q.18
Look for matching colors when coupling glad hands. Service lines are often:
Q.19
When lightly loaded, combination vehicles:
Q.20
The best way to recognize that your trailer has begun to skid is by:
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