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Arkansas CDL DMV Endorsement Double 2

Take 10 practice tests for CDL is the best way to prepare for your Arkansas DMV exam is by taking our free practice tests. The following question are from real Arkansas DMV practice test. More than 95% people pass a DMV exam when practice at DMV Practice Test.

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1. What does the trailer air supply control look like?
It is a square blue knob.
It is a triangular yellow knob.
It is an eight-sided red knob.
It is a circular orange knob.

On newer vehicles, the trailer air supply control is an eight-sided red knob. It's used to control the tractor protection valve.

2. The service brake system:
Applies and releases the brakes when you press the brake pedal while driving normally.
Applies and releases the parking brakes.
Applies and releases the emergency brake.
Applies and releases the axle brake.

Air brakes consists of three separate braking systems: the service brake system, the parking brake system, and the emergency brake system. The service brake system applies and releases the brakes when you use the brake pedal while driving normally.

3. Cargo inside a trailer:
Does not need to be secured.
Should be stacked no more than three feet high.
Should be secured to prevent movement.
Should be loaded with the heaviest items on top of lighter items.

Cargo needs to be secured appropriately to prevent it from moving in transit. Cargo should be arranged to keep the vehicle's center of gravity low and well-distributed.

4. When driving:
You should always drive at the posted speed limit.
You should always drive slightly below the posted speed limit.
You should adjust your speed according to conditions.
You should drive as fast as possible.

Operators driving too fast is a major cause of fatal crashes. You must continually adjust your speed to a rate that is safe for road and traffic conditions.

5. When parking a double or triple, you should:
Choose a spot that allows you to back up when exiting.
Choose a spot that allows you to pull forward when exiting.
Not be concerned with the location.
Choose a parking lot with a lot of tight corners.

When parking a double or triple, be careful to park only in spots that allow you to pull forward when exiting. Do not choose parking spots that require you to exit by backing up.

6. To avoid a collision with a hazard on the roadway:
You should always try to stop.
Swerving may be a safer option than stopping.
You should never swerve.

Swerving out of the way of a hazard is sometimes safer than trying to stop before reaching the hazard. You can usually turn away from something more quickly than you can come to a complete stop.

7. To make a stop in a vehicle using air brakes, the driver should:
Press down the brake pedal.
Lift the brake pedal toward them.
Push in the brake knob.
Pull out the brake knob.

To make a normal stop in an air-braked vehicle, push the brake pedal down and control the pressure so that the vehicle comes to a smooth, safe stop.

8. Having anti-lock brakes on only one axle:
Will not make a difference in braking.
Will provide increased control in braking.
Will likely cause the air brakes to malfunction.

If a vehicle has anti-lock brakes on just one axle, the driver will still have more control during braking than they would without any anti-lock brakes.

9. Placards should be used:
Any time a vehicle is carrying hazardous materials.
If there is open space in the truck.
If the amount of hazardous materials in the truck exceeds 200 pounds.
If the hazardous materials create an inhalation hazard.

Placards must be placed on the outside of vehicles carrying hazardous materials. They identify the specific class or classes of materials being carried and warn others of relevant hazards.

10. If approaching a vehicle with a distracted driver, you should:
Quickly pass the vehicle.
Maintain a safe distance from the vehicle.
Closely follow the vehicle.

If you see a distracted driver, give them plenty of space and maintain a safe following distance.

11. When driving a bobtail tractor, you should be aware that:
Bobtails stop very easily.
Bobtails cannot drive as fast as tractors with semitrailers.
Bobtails are more difficult to stop than tractors with semitrailers.
Bobtails are illegal in most states.

Bobtail tractors are tractors that are not attached to any semitrailers. When operating a bobtail, you should be aware that stopping can be difficult and that it will take a longer distance to bring the bobtail to a complete stop than it would a tractor attached to a loaded semitrailer.

12. Brakes can get out of adjustment quickly, especially:
If they are hot.
In the winter time.
If they are used frequently.

Brakes are particularly prone to getting out of adjustment if they are hot. Be sure to routinely check the adjustment of your brakes. For a vehicle to be safely controlled, all brakes must be properly functioning and adjusted.

13. After a vehicle is started, warning lights and buzzers:
Should stay on for several minutes.
Should turn off within a few seconds.
Should stay on until manually turned off.

After a vehicle is started, the warning lights and buzzers should go out after a few seconds. If the warning signals do not turn off, there may be something wrong with the vehicle.

14. When the wheels of a trailer lock up:
The trailer will be drivable.
The trailer may swing around.
The vehicle will maintain steering.

A trailer may swing out and strike other vehicles if its wheels lock up. This is especially likely with lightly-loaded trailers.

15. Eating while driving:
Is a good way to maximize time.
Is encouraged on long trips.
Creates a distraction for the driver.
Is mandatory so cargo is not left unsupervised.

To reduce the chances of driving distracted, you should avoid eating, drinking, or smoking while driving. Anything that diverts attention from the task of driving is a distraction.

16. When passing another vehicle, you should:
Make eye contact with the driver.
Assume the other driver doesn't see you.
Honk your horn.
Not use a turn signal.

When passing a pedestrian or another vehicle, you should assume that they don't see you.

17. A distracted driver:
Usually follows the rules of the road.
Usually has slowed perception.
Is a good person to follow.

Distracted drivers perceive hazards on the road more slowly than drivers who are focused, or they do not perceive hazards at all.

18. When connecting a converter dolly to a second trailer, the trailer height should be ____ the center of the fifth wheel.
Level with
Slightly higher than
Slightly lower than

When connecting a converter dolly to a second or third trailer, the trailer height should correct. It should be slightly lower than the center of the fifth wheel.

19. An Anti-Lock Braking System (ABS):
Cannot be used with air brakes.
Should be used on dry pavement.
Can assist in maintaining control when braking.
Should only be used if all axles have ABS.

Anti-Lock Braking Systems (ABS) are compatible with air braking systems. ABS helps maintain control of a vehicle and prevents the wheels from locking up during hard braking on slippery surfaces. ABS can still provide benefits even if is present on only one axle.

20. During a pre-trip inspection, belts should be:
Checked for tightness.
Scrubbed clean.
Left alone and not inspected.

When inspecting your vehicle, you should check all belts for tightness and excessive wear. You should learn how much "give" is appropriate for each belt.

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