Q.1
The service air line is often controlled by the foot brake and is attached to the ____ valves.
Q.2
More than half of all accident-related truck driver deaths are caused by:
Q.3
If an air supply control is in its "emergency" position:
Q.4
In a double or triple combination, the ____ trailer should be directly behind the cab.
Q.5
Keeping cargo low can:
Q.6
Combination vehicles need extra space on the road because they:
Q.7
How much space should be between the upper and lower fifth wheel?
Q.8
The trailer hand valve:
Q.9
All trailers made after ____ must be equipped with Anti-Lock Braking Systems (ABS).
Q.10
The best way to recognize that your trailer has started to skid is by:
Q.11
The trailer hand valve should not be used while you are driving because:
Q.12
Place the trailer air supply control in its "emergency" position to test:
Q.13
What is a bobtail tractor?
Q.14
Rollovers happen when:
Q.15
Maintain a following distance of at least ____ for every 10 feet of your vehicle if you are traveling at a speed under 40 mph.
Q.16
If a trailer begins to jackknife, the driver:
Q.17
Which of the following will not help prevent a rig from rolling over?
Q.18
To find out if a vehicle that was built before 1998 has an Anti-Lock Braking System (ABS), you can:
Q.19
Keeping cargo centered on a rig can:
Q.20
Operating combination vehicles usually requires ­­­­­____ operating single vehicles.
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