Q.1
When connecting a converter dolly to a second or third trailer, the trailer height should be:
Q.2
Before a drive, ensure that air flows to all trailers by:
Q.3
What is another name for the service line?
Q.4
An Anti-Lock Braking System (ABS):
Q.5
Having ABS on only one axle:
Q.6
The trailer hand valve:
Q.7
Rollovers happen when:
Q.8
After connecting the air lines to the trailer while coupling, you should:
Q.9
A combination vehicle has:
Q.10
If a trailer is too high:
Q.11
Trailers with low underneath clearance may be difficult to drive:
Q.12
Combination vehicles:
Q.13
What is off-tracking?
Q.14
When backing up to couple a trailer, you should position the tractor:
Q.15
When coupling a trailer:
Q.16
Proper coupling technique:
Q.17
After finishing a pre-trip inspection, you should:
Q.18
Fully-loaded rigs:
Q.19
Pull out the trailer air supply control to test:
Q.20
A loss of air pressure in the emergency line will cause:
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