Wisconsin CDL DMV Endorsement Tank 2
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Identification numbers, shipping names, and hazard classes must never be abbreviated when listed on a shipping paper. The only exception to this is if the abbreviation is specifically authorized in the hazardous materials regulations.
While speaking on a hands-free phone while driving is less dangerous than speaking on a hand-held phone, it is just as likely to mentally distract a driver. Simply engaging in conversation takes their mental focus away from the task of driving.
A vehicle's regular stopping distance increases on slippery surfaces because there is less available traction.
On many vehicles, multi-speed rear axles and auxiliary transmissions are used to provide extra gears.
When driving a tractor-trailer combination equipped with an Anti-Lock Braking System (ABS), you should brake in the same manner that you would in a vehicle without ABS.
Drive vehicles with unbaffled tanks slowly and carefully, especially when stopping and starting. Brake well in advance of any stops and increase your following distance.
When a vehicle goes around a corner, the rear wheels follow a different path than the front wheels. This is called off-tracking. This effect is especially pronounced on vehicles with trailers.
Truck tractors with air brakes built on or after March 1, 1997 are required to be equipped with Anti-Lock Braking Systems (ABS).
Correctly following the steps to couple and uncouple trailers is vital to safely operating a combination vehicle. After connecting the air lines to the trailer while coupling, you should supply air to the trailer.
There should be at least 4/32 of an inch of tread depth in every major groove on front tires and 2/32 of an inch on other tires. Valve stems should not be cut or cracked. Tire sizes should not be mismatched.
Shippers must retain a physical copy or an electronic image of hazardous materials shipping papers for a minimum of two years after the materials are accepted by the initial carrier. For hazardous waste, this increases to three years.
Be careful around pedestrians, joggers, and cyclists who are wearing headphones. They may not be able to clearly hear surrounding traffic and may not be aware that you are there.
Rust around wheel nuts may mean that they are loose. Check the tightness of the nuts if you see any rust in the area.
To determine which hazardous materials placards to use, you must know the hazard class of the materials; the amount of hazardous materials being shipped; and the total weight of all classes of hazardous materials in the vehicle.
In general, a smaller vehicle will be able to come to a complete stop faster than a larger vehicle. Keep this in mind when determining your following distance.
If you use the parking brakes when the weather is very wet and the temperature is below freezing, the brakes may become frozen, preventing the vehicle from moving.
Flammable liquids should not be transferred from one vehicle to another on a public roadway, unless being moved due to an emergency. Always warn others of the hazards presented by the materials.
The function of an Anti-Lock Braking System (ABS) is to prevent the vehicle's wheels from locking up from hard brake application.
You should not brake while making a quick turn to avoid a hazard. Doing so could cause your wheels to lock and make your vehicle skid out of control.
Always protect containers of hazardous materials. When loading hazardous materials, never use equipment that could damage containers or packaging, such as hooks.
- 0Incorrect (4 allowed to pass)