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Combination CDL review page 6-1 to 6-3

Horizontales
DOT ______ are prominently located near crossings. DOT ______ might be attached to a nearby railroad equipment shack, the crossing mechanism, the crossing arm, or a crossbuck pole
If your truck gets ______ on railroad tracks, get out of the vehicle and move away from the tracks. Contact help.
_______ amplification causes crack-the-whip. caused by quick lane changes, with the rear trailer most likely to roll.
The load should always be ______ on your rig. Cargo should be spread out as much as possible for a even load.
The ______ is connected to the trailer with a fifth wheel and/or converter dolly
_______ notification information should be obtained along with a DOT number to provide landmarks at the crossing where assistance is needed.
Empty trucks take much longer to stop than those that are fully loaded and are at a greater risk of ________. try to be cognizant of what you see in your mirrors.
This can overturn the trailer even without overturning the tractor. avoid quick lane changes, especially when fully loaded. There are more accidents where only the trailer has overturned.
tractors with no trailers attached that take even longer to stop than a combination vehicle with an empty load.
The truck becomes easier to ______ when the "center of gravity" moves higher up on the road because more cargo is plied up in the truck.
Control your _____ whether fully loaded or empty.
Once a trailer swings out of your lane, its very difficult to _____ a jackknife. This is especially prone to happen when the trailer is light or unloaded.
Risk of ____ greatly increases with combination vehicles because they are longer, heavier, and require more driving skill. Happens when you turn too fast
If you can’t _____ the turn from completely inside your own lane w/o entering another traffic lane, turn wide as you ______ the turn (button hook) not before you start the turn (jug handle).
Units that can get stuck on raised crossings (lowboy, car carrier, moving van, possum-belly livestock trailer, and single axle tractors pulling long trailers)
When the _____ of a trailer lock up, the trailer will tend to swing around. more likely to happen to empty or lightly loaded trailers.
Verticales
______ the front wheels wide enough that the last, inside wheel will clear the curb and other obstructions/pedestrians.
Stiff suspension springs and strong brakes five poor ______ and make it very easy to lock up wheels.
_________ tracks(highway) can cause problems for combination vehicles, especially when pulling trailers with low clearance underneath (low underneath clearance-same thing, different way to say it).
When a vehicle goes around a corner, the rear wheels follow a different path. Each wheel takes a “shortcut.” This “shortcut” is called ______(or, “cheating”). The last wheels off-track the most. Long trailers will off-track more than short trailers.
a ________ vehicle is the combining of a tractor with one or more trailers. commonly called a semi or semi truck.
Always ______ early when driving a combination vehicle. Stay aware of your surroundings. Avoid panic stops. Any time you apply them hard, always check to make sure the trailer is staying where its supposed to be.
Recovering from a trailer skid: _________ the skid. Whenever you brake strongly, check your mirrors. Get off the brakes. Release the brakes to recover wheel traction. Do not use the trolly bar (trailer hand brake). Trailer brakes caused the skid—releasing the brakes will fix the problem.
Two things to decrease risk: keep the ___ as close to the ground as possible
Seeing your trailer in your mirrors is a clear sign that it is ______. If this occurs, release the brakes immediately and try to regain control of your vehicle.
When the wheels _____ again, the trailer will start following the tractor again and straighten. Resume braking.
______ vehicles take longer to stop than smaller vehicles
Never ______ any vehicle on railroad tracks. Never shift gears while crossing the railroad tracks.
Keep the rear of the vehicle close to the _____. don’t swing so wide that you leave a gap between your trailer and the _____. You don’t want other drivers passing you on the right, or getting between the rear of your trailer and the _____.
Two things to decrease risk: drive _____ around turns. use gentle steering. This is essential because of the “crack-the-whip” effect that happens when vehicles pull trailers