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Arkansas CDL DMV Endorsement Tank 1

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. If you notice hazardous materials leaking while you are driving, you should:
Drive to a phone booth.
Park the vehicle as soon as possible.
Leave the area to find help.
Drive around looking for a person to repair the leak.

If a cargo leak develops while you are carrying hazardous materials, do not continue driving any farther than safety requires. The farther you drive, the larger the contaminated area will become. You should park the vehicle, secure the area, and stay with the vehicle while sending someone else to get help.

2. You can find the identification numbers assigned to hazardous chemicals:
In the DOT Emergency Response Guide.
In the truck's driver’s manual.
On the company's website.

The U.S. Department of Transportation (DOT)'s Emergency Response Guide provides information about hazardous materials, indexed by proper shipping names and hazardous materials identification numbers.

3. Of the following, surge is strongest in:
Bulkhead tanks.
Tanks with an open manhole.
Unbaffled tanks.

Smooth bore tanks, which lack internal bulkheads to limit the flow of liquid, are the most vulnerable to surge.

4. Because of tanks' high centers of gravity, drivers of tanks should:
Take curves at the posted speed limit.
Reduce their speed on curves.
Drive on the shoulder whenever possible.
Slam on their brakes.

Due to their high centers of gravity, tanks are especially prone to rollovers. When driving a tank vehicle, you should take curves well below the posted speed limit.

5. Wheel rims that have been welded should:
Be placed in the front of the vehicle.
Be placed in the rear of the vehicle.
Be placed on dual tires.
Not be used.

Wheels and rims with welding repairs are not safe to be used. Replace any damaged wheels and rims.

6. A hand valve can be used to:
Add fuel to a vehicle.
Prevent a truck from rolling backwards when starting from a stop.
Check the oil.
Load cargo.

If a tractor-trailer is equipped with a trailer brake hand valve, the hand valve can be applied to keep the vehicle from rolling backwards when the vehicle is started from a stop.

7. Smooth bore tanks have:
Bulkheads with holes that allow the passage of liquids.
Bulkheads that limit the flow of liquids.
Nothing inside to slow the flow of liquids.

Smooth bore tanks lack internal baffles. Compared to other types of tanks, unbaffled tanks are the most prone to front-to-back surge.

8. How can you prevent drowsiness before a trip?
Get about four hours of sleep.
Plan stopping points into your trip in advance.
Drive alone.
Schedule long trips at night.

To prevent drowsiness on a long trip, strategies include getting adequate sleep beforehand; planning out the route and stopping points in advance; driving with a passenger; and driving at times during which you are normally awake.

9. Scan the road ____ ahead of your vehicle.
Two to three seconds
Five to six seconds
12 to 15 seconds

Good drivers scan the road at least 12 to 15 seconds ahead of their vehicles. Looking ahead will allow you to identify and react to hazards before meeting them. Be sure to specifically look for vehicles that are coming onto the highway, entering into your lane, or turning.

10. When using road speed to know when to switch gears, you should:
Learn what speeds each gear is good for and shift up when necessary.
Watch other vehicles and try to keep pace.
Watch other trucks and shift when they shift.
Use the speed limit as a guide.

There are two indicators that determine when you need to shift into a higher gear. One indicator is the engine speed (rpm). You should read your vehicle's manual to learn its rpm range and shift up when you reach the top of that range. The other indicator is road speed (mph). You should learn which speeds each gear can accommodate, then keep an eye on the speedometer and shift up as needed.

11. When making a lane change, your turn signal:
Should always be used.
Should only be used if there is traffic present.
Should only be used between dusk and dawn.

You must always properly signal before turning or changing lanes.

12. If a package of explosives has an oily stain or shows dampness, the driver should:
Continue to transport the load.
Decline transporting the load.
Use towels to absorb the liquid.

You should never transport damaged packages of explosives. Do not accept a package that seems damp or has an oily stain.

13. Emergency response information provided by the shipper must include:
Risks of fire or explosion.
Value of the materials.
Date of packing.
Origination of the materials.

At a minimum, emergency response information must include the basic descriptions and technical names of the materials being transported; immediate hazards to health; risks of fire or explosion; immediate precautions to be taken in the event of an accident or incident; immediate methods for handling fires; initial methods for handling spills or leaks in the absence of fires; and preliminary first aid measures.

14. ____ is a thin layer of ice that forms on road surfaces.
White ice
Black ice
Green ice
Blue ice

Black ice is a layer of ice that is thin and clear enough for the road to be visible through it. This makes the road look as if it is merely wet.

15. If backing a truck:
You should rely on your mirrors to guide you.
You should first walk the area to become more familiar with obstacles.
You should look straight ahead.

If you must drive in reverse, you should first walk around your vehicle to look at the path of travel and check for obstacles. Because mirrors have blind spots, you cannot rely exclusively on them. It is recommended to use a helper whenever possible.

16. If the brakes “pull” to one side or the other when you use them, it's a sign that:
The brakes are working properly.
The brakes need to be checked.
The brakes are new.
The brakes have too much stopping power.

If your vehicle "pulls" to one side when braking, you may have brake trouble. If there is an issue with your brakes, you should fix the issue before driving. Operating an unsafe vehicle is against federal and state laws.

17. When driving, knowing what is happening behind you is:
Rarely important.

To travel safely, it is essential that you know what is happening on all sides of your vehicle at all times. Use your mirrors frequently to help you remain aware of your surroundings.

18. A driver should always:
Stay in one lane.
Have an emergency plan.
Stay in the left lane.
Travel faster than the speed limit.

When driving, you should always scan the road for potential hazards. Formulate plans for how to deal with the hazards if they develop into emergencies.

19. You will often have to drive your vehicle under bridges and overpasses. If approaching such an opening, you should:
Assume the posted clearance height is accurate.
Assume the posted clearance height is inaccurate.
Measure the height of the opening before proceeding.

Do not assume that posted height clearances are accurate. If the road was repaved after the sign was posted, or if there is packed snow on the ground, the actual height of the opening may be different than what is indicated. If you are not confident that your vehicle will be able to safely clear an upcoming bridge or overpass, you should slow down and find another path, if possible.

20. When backing with a trailer, turning toward the driver’s side is encouraged:
Because it allows the driver a better view.
Because turning toward the passenger side is illegal.
Because other drivers can offer assistance.

If you must back up, it is safest to back toward the driver's side of the vehicle. This way, as the driver, you will have the best possible view of your path of travel.

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