North Carolina CDL License Exam Questions and Answers 2025, Exams of Nursing

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North Carolina CDL License Exam

Questions and Answers 2025

If you are approaching a law enforcement vehicle that is stopped on the right side of the road with its lights flashing, you should: - ANSWER-Move into the left lane to pass the vehicle. If you are confronted by an aggressive driver, you should: - ANSWER-Ignore the driver's gestures. The use of a hand-held mobile device while driving is: - ANSWER-Prohibited. If stopped on the road or shoulder, within 10 minutes, you must: - ANSWER-Place emergency warning devices. When carrying a sealed load, the driver should: - ANSWER-Ensure the weight of the cargo does not violate weight limits. When performing a pre-trip inspection, you should make sure that: - ANSWER- Nothing is obstructing the pedals. To confirm that a trailer has ABS, you can: - ANSWER-Look under the trailer for wheel speed sensors coming from the back of the brakes. The penalty for a first-time violation of an out-of-service order is: - ANSWER-A license suspension for at least 90 days. Areas of the road that are shaded: - ANSWER-Will remain slick after ice on other areas of the road has melted. If a roadway is covered by fog, it is best for you to: - ANSWER-Avoid driving. If the low pressure warning signal activates while you are driving you should: - ANSWER-Exit the roadway as soon as safely possible. If the spring brakes are on, you should: - ANSWER-Not use the brake pedal.

If the low air pressure warning signal comes on, you should: - ANSWER-Pull over and inspect the brakes. When driving you should: - ANSWER-Adjust your speed according to condition; while still driving as fast as possible. People working on a disabled vehicle: - ANSWER-May be distracted by the repair and not pay attention to the roadway. Joggers (pedestrians and cyclists) who are wearing headsets: - ANSWER-May not be aware of what is happening around them. While driving, you should: - ANSWER-Develop plans to get out of any dangerous situation that could arise. If an aggressive driver is involved in a crash on the road ahead of you, you should: - ANSWER-Stop after the crash scene and report the driver's aggressive behavior to the police. A distracted driver: - ANSWER-Usually has slowed perception. If backing a truck: - ANSWER-You should first walk the area to become more familiar with obstacles. Why do you need to drain air tanks regularly: - ANSWER-Because compressed air contains some water which must be drained from the tanks. Looking far ahead of your vehicle while driving is: - ANSWER-Encouraged to help you identify hazards as early as possible. It is illegal to operate a CMV with a minimum blood alcohol concentration (BAC) of: - ANSWER-0.04 percent. To start alert while driving, you should: - ANSWER-Ride with a second person who can share driving responsibilities. To obtain a hazardous materials endorsement on a CDL, an applicant must be at least: - ANSWER-21 years old.

How many air storage tanks are used in an air brake system: - ANSWER-The number varies. The two markings on a front brake limiting valve usually read: - ANSWER- "Normal" and "slippery." Most heavy trucks with manual transmissions require to change gears: - ANSWER-Double clutching. If turning to avoid a hazard: - ANSWER-You should not brake as it may cause the wheels to lock. When using the controlled braking method in an emergency situation, you should: - ANSWER-Apply the brakes as hard as possible without locking the wheels. Texting while driving is especially dangerous because: - ANSWER-It is both a mental and physical distraction. If feeling tired and frequently yawning, you should: - ANSWER-Pull over and take a nap. Service brakes should: - ANSWER-Be tested before every trip. During a walk-around inspection, ensure there are no cracks on the brake drums that more than of the width of the friction area: - ANSWER-One half. Broken suspension parts: - ANSWER-Are extremely dangerous. If the low air pressure warning signal comes on in a vehicle with air brakes, the driver should: - ANSWER-Immediately stop driving. In a dual air brake system, if one air system is very low on pressure: - ANSWER- Either the front or rear brakes will not be fully operable. When taking the basic control skills test, drivers are: - ANSWER-Allowed to leave the vehicle, but only if the vehicle is placed in neutral and the parking brake is set. Before beginning downhill, you should: - ANSWER-Decelerate and downshift.

Cargo inside a trailer: - ANSWER-Should be secured to prevent movement. When backing up, follow a turning trailer by: - ANSWER-Changing the direction of the steering wheel. When making a a turn, when should you cancel your turn signal: - ANSWER-After the turn is complete. Skids caused by over-acceleration can usually be resolved by: - ANSWER- Removing your foot from the accelerator. If you have more than one license: - ANSWER-You will be penalized (jail time/fined up to $5000). An after-trip inspection should be done: - ANSWER-After every trip. What can change the height of a vehicle: - ANSWER-Weight. If convicted of driving a CMV while your CDL is suspended, the penalty is: - ANSWER-License suspension for at least one year. When driving at highway speeds, you should watch the road about ahead of your vehicle: - ANSWER-One quarter mile. An open automobile window in cold weather may indicate that the driver is: - ANSWER-Driving impaired. When traveling down a steep downgrade: - ANSWER-The vehicle should be placed in a low gear and the driver should use engine braking. You should test the low pressure warning signal by: - ANSWER-Rapidly pressing and releasing the brake pedal. Failing to drain the tanks in an air brake system can result in: - ANSWER-Water freezing and causing brake failure. Pressing and releasing a brake pedal unnecessarily can: - ANSWER-Release air from the braking system faster than the compression can replace it.

Brake fading is caused when: - ANSWER-Brakes overheat. Some air brake systems use alcohol to: - ANSWER-Reduce the risk of ice forming in air brake valves. What is often found in compressed air: - ANSWER-Water. What kind of brakes do most newer heavy-duty trucks use: - ANSWER-Dual air brakes. The most common type of foundation brake used is the: - ANSWER-S-cam drum brake. What do the two systems of a dual air brake system share: - ANSWER-An air compressor. Vehicles equipped with Anti-Lock Braking Systems (ABS) have malfunction lamps to indicate when the ABS is not working: - ANSWER-Yellow. The air pressure in a dual air brake system should build from 85 to 100 psi within:

• ANSWER-45 seconds. During an applied leakage test, the maximum leakage rate for a double combination vehicle is: - ANSWER-4 psi in a minute. Where is the safety relief valve usually located: - ANSWER-In an air tank. If the safety relief valve in the air brake system releases air: - ANSWER-The air pressure has become too high. A wig wag is: - ANSWER-A low pressure warning device. What is not part of an air brake system: - ANSWER-An axle brake system. An emergency brake must be controlled by: - ANSWER-Mechanical force. If the low pressure warning light comes on while you are driving: - ANSWER- Braking will only occur if there is enough air in the tanks.

During an applied leakage test, the maximum leakage rate for a single vehicle with air brakes is: - ANSWER-3 psi in one minute.