Q.1
Operating combination vehicles usually requires ­­­­­____ operating single vehicles.
Q.2
During a trip, landing gear should be:
Q.3
In a double or triple combination, the ____ trailer should be directly behind the cab.
Q.4
Trailers with low underneath clearance can present challenges when driving over:
Q.5
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.6
During a trip, the ____ should be open.
Q.7
The trailer hand valve should be used:
Q.8
What is a bobtail tractor?
Q.9
What is a bobtail tractor?
Q.10
When connecting a converter dolly to a second trailer, the trailer height should be ____ the center of the fifth wheel.
Q.11
Shut-off valves:
Q.12
The service air line is often controlled by the foot brake and is attached to the ____ valves.
Q.13
The trailer hand valve:
Q.14
Look into the back of the fifth wheel:
Q.15
If your vehicle gets stuck on railroad tracks, you should:
Q.16
In an empty combination vehicle, the stiff suspension springs and strong brakes will have:
Q.17
A trailer that is too high:
Q.18
The ____ trailer is the most likely to turn over if a driver takes a turn too quickly.
Q.19
If you must cross traffic while driving a combination vehicle, you should:
Q.20
A driver should test the tractor protection valve by:
0 h : 0 m : 1 s