As a commercial driver, you should wear a seatbelt anytime you are operating a moving vehicle.
If you have committed three serious traffic violations within a three-year period involving a CMV, you will likely lose your CDL at least 120 days.
If you have committed your first violation of an "out-of-service order", you will likely lose your CDL for 180 days.
You must have a CDL to operate any single vehicle with a gross vehicle weight rating of 26,001, a vehicle designed to transport 16 or more passengers (including the driver) and any size vehicle which requires hazardous materials placards.
When driving down a steep hill, you will need to make sure you maintain the proper speed to stay in control of your vehicle. You want to maintain a speed that is not too fast for the total weight of the vehicle and cargo, the length of the grade, the steepness of the grade and road conditions.
Objects in a convex mirror appear smaller than if you were looking at it directly.
Crossbuck signs require you to yield the right-of-way to the train.
When you're trying to correct a drive-wheel braking skid you should stop braking. This will let the rear wheels roll again and keep the rear wheels from sliding.
You should check the tire shortly after it's been changed to re-check the tightness of the nuts.
Every 150 miles of your trip you should make sure the cargo is secure.
The gross vehicle weight is the total weight of a single vehicle plus its load.
Hanging meat in a refrigerated truck can be a very unstable load with a high center of gravity.
Typically, containerized loads are used when freight is carried part way by rail or ship.
Bulk packaging is a single container with a capacity of 119 gallons or more of hazardous materials.
The driver is responsible for finding the necessary permits and special routes needed to haul hazardous materials.
There are no exemptions. You may not drive a commercial motor vehicle if you are disqualified for any reason.
You will lose your CDL for at least three years if you are caught committing an alcohol-related offense (e.g. leaving the scene of an accident or committing a felony) while operating a CMV that is placarded for hazardous materials.
During the pre-trip vehicle inspection of the skills test, you will be tested to see if you know when your vehicle is safe to drive.
Talking on a cellphone, reading billboards, using telematic devices like navigation systems, talking to passengers can all be distractions to you while you are driving a commercial vehicle.
If you must stop on a one-way highway, you should place devices 10 ft., 100 ft. and 200 ft. toward the approaching traffic.
If you take a curve too fast, two things may happen. One is that the tires may keep their traction and the vehicle may roll over. The other possibility is that the tires can lose their traction and cause you to skid off the road.
Excessive heat can cause brakes to fade, fail and cause chemical changes in the brake lining.
You should cover cargo during its transportation to protect people (pedestrians, passengers and other civilians) from the cargo's contents if it spills and to protect the cargo from weather.
You should frequently use your mirrors to check your covered cargo because a flapping cover can tear loose and possibly block your view or someone else's.
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