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Questions and Answers
What is the primary purpose of hazardous materials placards on a commercial motor vehicle?
What is NOT a key skill that is required to operate a commercial motor vehicle?
When is it permissible to transport hazardous materials without a HazMat endorsement on your CDL?
How often should you stop to check your cargo while on the road?
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What is a potential consequence of letting the air out of hot tires?
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What is the penalty for driving a commercial motor vehicle that has been ordered out of service by federal or state inspectors?
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What is the gross vehicle weight (GVW) of a commercial motor vehicle?
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Which component is a key part of the steering system in a commercial motor vehicle?
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What is the minimum duration of CDL disqualification for a first offense of a major violation?
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Why is it important to cover your cargo?
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Study Notes
Hazardous Materials Placards
- Hazardous materials placards are signs on the outside of a vehicle that identify the hazard class of the cargo.
- Simplified: Signs on trucks show what dangerous stuff they're carrying.
Basic Skills for Commercial Motor Vehicle Operations
- First-aid certification is not one of the four basic skills required to operate a commercial motor vehicle.
Transporting Hazardous Materials
- You can transport hazardous materials without a hazardous materials (HazMat) endorsement on your CDL if your vehicle doesn't require placarding.
- Simplified: You can carry dangerous stuff without a special permit if your truck doesn't need big signs.
Cargo Safety
- You must stop to check your cargo while on the road, and the frequency of these stops depends on various factors.
- Simplified: You should stop to check your stuff while driving, but it's not specified how many times.
Tire Maintenance
- Letting the air out of hot tires is a bad idea because when the tires cool off, the pressure will be too low.
- Simplified: Don't let air out of hot tires because they'll be too flat when they cool down.
Commercial Driving Disqualification
- If you are convicted of driving a commercial motor vehicle (CMV) that federal or state inspectors have ordered out of service, you will be disqualified from commercial driving for at least 90 days.
- Simplified: If inspectors say your truck is too dangerous to drive, you can't drive for at least 90 days.
Gross Vehicle Weight (GVW)
- The gross vehicle weight (GVW) is the total weight of a single vehicle and its load.
- Simplified: The total weight a truck can carry is everything it's carrying.
Steering Components
- The gear box is a key steering component.
- Simplified: The gear box helps you steer.
CDL Revocation
- You will lose your CDL for at least one year if you are convicted of certain offenses, depending on what it is.
- Simplified: If you do something wrong while driving, you might lose your license for a year.
Cargo Protection
- You should cover your cargo for all of the above reasons.
- Simplified: Why cover your stuff? For all these reasons.
Safe Turning
- If you swing wide to the left before you turn right, someone might try to pass you on your right.
- Simplified: Be careful when turning, or someone might try to pass you on the right side.
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Description
Test your knowledge of commercial driving regulations and hazardous materials transportation. Learn about placards, HazMat endorsements, and basic skills required for driving big trucks.
