WISCONSIN CDL COMBINATION PRACTICE TEST

11. The two most important things that a driver can do to prevent a rollover when driving a combination vehicle are:
Driving slowly around turns and keeping the cargo as close to the ground as possible
Keeping cargo near the ground and driving slowly on the highway
Keeping cargo near center of vehicle and driving slowly on the highway
Keeping cargo near the center of the vehicle and driving slowly on turns
12. If you will be transporting hazardous materials that require placards, you must:
obtain a special transit permit.
transport the materials at night only.
obtain a hazardous materials endorsement.
ask permission of the local transportation agency.
13. When backing a tractor under a trailer, you should:
back at an angle.
stop before when the kingpin is locked into the fifth wheel.
always use the lowest reverse gear.
All of the above.
14. When a vehicle goes around a corner, the rear wheels:
will turn freely.
will lock up.
follow a different path than the front wheels.
follow the same path as the front wheels.
15. How can you tell if a converter dollie has ABS?
There is an ABS system on the right side of the dolly.
There is a yellow lamp on the left side of the dolly.
There is an ABS plaque on the right side of the dolly.
There is a red lamp on the left side of the dolly.
16. You should always try to back toward the driver's side because:
you can more easily correct any steering errors.
you can watch the rear of your vehicle out the side window.
backing toward the left side is more dangerous.
None of the above.
17. If a worker is close to the roadway in a work zone, you should:
pull off the road and stop.
drive on the shoulder.
reduce your speed below the posted speed limit.
drive at the posted speed limit.
18. Anti-lock brakes:
increase your stopping distance.
keep your brakes from locking up when you brake hard.
reduce the perception distance.
help you stop faster.
19. Tar in the road pavement rising to the road surface in very hot weather:
is very sticky and will slow down your vehicle.
might get in your engine.
causes the road to become very slippery.
does not affect the road surface or driving conditions.
20. When uncoupling a trailer, after shutting off the trailer air supply to lock the trailer brakes, you should:
inspect the trailer supports.
back up gently to ease the pressure on the fifth-wheel locking jaws.
immediately apply your tractor parking brakes.
pull the tractor forward until the fifth-wheel comes out from under the trailer.
GRADE ME
NOT SURE YOU WILL PASS? GET CDL PREMIUM NOW! - Learn More