New York CDL Practice Test

These questions are part of the practice quiz. Start practicing

• When you turn suddenly while pulling doubles, which trailer is most likely to turn over?
• What does "load shifting" refer to in commercial driving?
• If your speed doubles, how does your stopping distance change?
• If the brakes lock up on a vehicle with an antilock braking system (ABS), what should the driver do?
• What type of headlights should be used while driving a commercial vehicle in foggy conditions?
• Which valve must you pull out to check that the trailer emergency brakes are engaged?
• What factors influence your choice of a "safe" speed when descending a downgrade?
• What should be your primary concern if you're first at an accident?
• What is hydroplaning?
• What can poorly distributed weight in a vehicle cause?
• When should you use low beams while driving?
• When backing a trailer, which direction should you position your vehicle to ensure a smooth maneuver?
• What action should a driver take when suddenly encountering an obstacle on the road?
• What is the minimum tread depth required for front tires?
• The use of brakes on a long, steep downgrade is only a supplement to the braking effect of the engine. True or False?
• Why is it important to check cargo before a trip?
• What does the Gross Combination Weight include?
• How far ahead should you typically look while driving?
• What should you do after pushing the air supply knob in for the tractor protection valve test?
• What is a signal that shock absorbers may be leaking?
• What should be done if you notice the temperature gauge rising while driving?
• How often should you drain air tanks?
• What are "blind spots" and where are they typically found on a truck?
• During a walk-around inspection, what should be checked on the front of the vehicle?
• When driving in rainy conditions, what should you be cautious of?
• What is the "5-step process" for executing a safe lane change?
• What is the minimum number of tie downs required for any flat bed load?
• Do retarders help prevent skidding on slippery roads?
• What is the procedure to test the trailer emergency brakes?
• Why should you be in the proper gear before starting down a hill?
• How can you ensure the trailer is properly coupled?
• What are the three types of emergency equipment a vehicle should have?
• What type of vehicles require a Class A CDL?
• What should a driver do after securing their load with chains?
• What should a driver do if they see a vehicle coming into their lane?
• Where are shut-off valves typically located?
• In driving, what does the "2-second rule" refer to?
• What is a potential indicator that an air loss rate is too high?
• How often should you check your cargo on a long trip?
• What should you do if your brakes start to fade while driving downhill?
• How often must a CDL holder renew their medical certification?
• What driving condition is characterized by an almost invisible layer of ice?
• In order to prevent a collision, how should a driver communicate?
• Which type of violation typically results in fewer penalties?
• If you swing wide to the left before making a right turn, what could another driver attempt to do?
• Should you decrease your following distance if someone is tailgating you?
• Which items should be checked during a trip inspection?
• When is it essential to be aware of vehicles turning into your lane?
• Why is it important to ensure efficient operation of spring brakes?
• What is the recommended following distance for trucks behind other vehicles at highway speeds?
• What is the most important hand signal to agree on with your helper?
• What is the importance of checking the emergency line shut-off valve?
• What should you do if you notice brake lights from slowing vehicles?
• Is it advisable to let air out of hot tires to normalize pressure?
• What is a hazardous materials placard?
• How can you determine your following distance in seconds?
• What is the function of spring brakes?
• Define "gross vehicle weight rating" (GVWR).
• Which is a safe action to take while driving near an accident scene?
• Before transporting a sealed load, what must you check?
• How do extreme weather conditions affect commercial driving?
• What does Gross Combination Weight Rating (GCWR) refer to?
• Should you check tire pressure when tires are hot or cold?
• How frequently should you check your vehicle's tire pressure?
• Which three components make up the total stopping distance?
• How can you identify if your vehicle has antilock brakes?
• Should you get as close as possible to a fire when using your extinguisher?
• What is "highway hypnosis" and a method to avoid it?
• How can slack adjusters be checked for functionality?
• What is the recommended following distance at highway speeds?
• What type of vehicles require a Class C CDL?
• What should you do before entering a curve to ensure safety?
• Which federal agency regulates commercial driving standards?
• What is the legal blood alcohol concentration (BAC) limit for CDL drivers in New York?
• What could be a consequence of a speeding violation for a CDL holder?
• Drivers are responsible for knowing if their cargo restricts access to what?
• What is the penalty for refusing a chemical test as a CDL holder?
• What is the purpose of the emergency air line in a combination vehicle?
• What should you do if you encounter an aggressive driver?
• What is the function of the trailer air supply control?
• What could happen if you do not properly check the trailer's air supply before driving?
• What is key to effective communication with other road users?
• How often must you stop while on the road to check your cargo?
• What is the outcome of violating "hours of service" regulations?
• How do you test hydraulic brakes for leaking?
• Why should chocks be used when parking a trailer that does not have spring brakes?
• What is a "no-zone"?
• Before navigating a steep incline, what should you ensure?
• What should you expect if you fail to comply with "hours of service" regulations?
• What can help reduce stress while driving?
• What is the primary focus of New York DMV's CDL training and testing?
• How should you use in-vehicle communications equipment safely?
• What is one responsibility drivers have related to cargo?
• What is the primary purpose of the Commercial Learner's Permit (CLP)?
• What does the service line in a trailer do?
• What are the maximum acceptable leakage rates for single vehicles?
• Which condition is related to drowsy driving signals?
• What is the minimum number of tiedowns necessary for a 20-foot load?
• What is the primary purpose of a logbook for commercial drivers?
• What is classified as a hazard in driving?
• What factor contributes to hydroplaning on wet roads?
• How do you know if the trailer rolls freely when testing the emergency brakes?
• Why should the starter switch key be placed in your pocket during a pre-trip inspection?
• What can under-inflated tires lead to?
• Which component helps to stabilize the vehicle during turns?
• What is black ice?
• Why should you not use the trailer hand brake to straighten out a jackknifing trailer?
• Why are placards used on vehicles?
• Why must air tanks be drained?
• How long is a Commercial Learner's Permit valid in New York?
• What is a possible risk associated with an air leak in a trailer's brake system?
• Which equipment must be present in a truck for roadside emergencies?
• What does "sleep debt" refer to?
• When is it acceptable to use your high beams?
• What should you check to ensure the fifth wheel is securely locked onto the kingpin?
• What would be a cause for brake failure while driving down a steep hill?
• You still have normal brake functions if your ABS is not working. True or False?
• To test the trailer service brakes, what should you do first?
• Which of the following is a defect related to the suspension system?
• What mindset can help prevent distraction during driving?
• What is "oversteering" and how can it be avoided?
• What types of vehicles might get stuck on a railroad-highway crossing?
• What is the first step in obtaining a CDL in New York?
• What should be the air pressure drop when applying the brakes?
• What should happen to the spring brakes when air pressure is reduced?
• What is the effect of overusing brakes on a long drive?
• What is the role of the Transportation Security Administration (TSA)?
• Which behavior is indicative of aggressive driving?
• Why should you back toward the driver side when reversing?
• What is one primary reason for covering cargo on an open bed?
• What can occur when brakes get wet?
• What should drivers know about their cargo regarding securing it?
• What does the acronym CDL stand for?
• What must you do before taking the driving test for a CDL?
• What can be an indicator of improper air pressure in tires?
• How can you identify if a vehicle is equipped with antilock brakes (ABS)?
• What action is beneficial when stopping on a hill?
• What should always be checked before starting a journey in a commercial vehicle?
• What is the "Pre-Trip Inspection" in the context of CDL testing?
• What is a good practice when using a cell phone in the car?
• Why is it important to make emergency plans when you see a hazard?
• What is a "chaining down" procedure?
• What should wheel bearing seals be checked for?
• When should a driver check their cargo while transporting a load?
• What are the two main types of vehicle inspections for commercial vehicles?
• Why is a pre-trip inspection important for commercial vehicles?
• What are the two methods to know when to shift gears?
• What is defensive driving?
• What can be the consequence of not having enough weight on the front axle?
• How high should you raise the landing gear to prepare for driving?
• What is one cause of tire fires?
• What are some danger signals of drowsy driving?
• What is the importance of weight distribution in cargo loads?
• What should you do if you see a vehicle with a flat tire on the road?
• How can you test the tractor protection valve effectively?
• What is the purpose of a supply pressure gauge?
• What type of endorsement is required to transport hazardous materials?
• Why is it advised not to use the trailer hand valve while driving?
• Which of the following actions is crucial during extreme weather driving conditions?
• What should you do if a slack adjuster moves more than an inch?
• What happens if a driver allows their Commercial Learner's Permit to expire?
• Does coffee and fresh air help a person sober up?
• If you are away from your vehicle only a short time, do you need to use the parking brake? True or False?
• What is required to apply for a CDL after obtaining a CLP?
• What distinguishes a Major vehicle violation from a Minor vehicle violation?
• In what situation should you try to brake hard to stop your vehicle?
• What is "jackknifing" in trucking?
• What is the purpose of the air brake test?
• Which of the following is true about the Class A CDL?
• What is an "escape ramp"?
• How should a CDL driver handle a situation when they feel fatigued?
• What should be done if you encounter a flooded roadway?
• What should you do before driving if you feel drowsy?
• After properly coupling a trailer, what is the ideal space between the upper and lower fifth wheel?
• What distinguishes aggressive driving from road rage?
• Why is it important to maintain a safe speed?
• Are front wheel brakes effective under all conditions?
• How can you start driving on a hill without rolling back?
• Why is it important to secure cargo?
• Which of the following is NOT a key part of the steering system?
• How can a driver maintain their vehicle's stopping capability?
• What should you do if you encounter a school bus with flashing red lights?
• If a tire blows out, you should apply the brakes hard to stop quickly. True or False?
• When should you use the foot brake while towing a trailer?
• What are the basic vehicle control skills tested in the CDL road test?
• What is one of the key aspects of operating with a Gross Combination Weight Rating?
• What does a dual air brake system include?
• What should you do while braking down a long steep downgrade?
• What is the maximum weight for a Class B vehicle?
• How long does it typically take for a tractor-trailer to clear a double track?
• What is the most important reason for conducting vehicle inspections?
• What does a "third-party skills test" for CDLs entail?
• Why is it important to use a helper when backing up?
• What should be the focus when performing a pre-trip inspection?
• What is the primary method for seeing the sides and rear of your vehicle?
• What is the purpose of the CDL holder's medical certification?
• Why is it important to be in the proper gear before going down a hill?
• Which statement about empty trucks and braking is true?
• True or False: Stopping is always the safest thing to do in an emergency.
• What are the three primary components of the air brake system?
• What is the primary function of the tie rod in a vehicle?
• Can you safely remove the radiator cap if the engine is not overheated?
• What is a common misconception about braking forces and empty trucks?
• What should you always inspect before coupling a trailer?
• What type of fires is a B:C extinguisher NOT effective against?
• If confronted by an aggressive driver, what should you do?
• What is the purpose of slack adjusters?
• What should you do if you are involved in an accident while driving a commercial vehicle?
• How do antilock brakes assist drivers?
• What is the function of the "runaway truck ramp"?
• What are some common causes of vehicle fires?
• When should you downshift an automatic transmission vehicle?
• What signal must all vehicles with air brakes have?
• What factors can cause brakes to fade or fail?
• When should you downshift while driving?
• When is the best time to check your trailer's load?
• What should you do if you become sleepy while driving?
• What is one recommended tip to avoid becoming a distracted driver?
• What is a sign of poorly balanced weight in cargo?
• How is the low pressure warning signal tested?
• In driving, what is an "evasive maneuver"?
• What is the potential danger of forcing an automatic transmission into a lower gear at high speed?
• How should you handle a tire blowout while driving?
• What should you do when you feel stressed while driving?
• Describe the process of "distracted driving."
• What adverse effect can driving through deep puddles have on your vehicle?
• If a trailer is too high when trying to couple, what might occur?
• What are two main things to watch for ahead while driving?
• What two things are important to prevent rollover?
• What is the function of a tachograph?
• How often should the brake fluid be checked?
• What should you do at an accident scene to prevent another accident?
• What function do reflective triangles serve in a vehicle's emergency kit?
• When preparing for a trip, what is essential to check regarding the trailer?
• What is an effective way to prepare for unexpected hazards on the road?
• What is the proper braking technique when driving a vehicle with antilock brakes?
• How do you brake when you drive a tractor-trailer combination with ABS?
• If you are driving a 30-foot vehicle at 55 mph, what is the recommended following distance?
• How can you minimize the risk of a jackknife situation?
• For combination vehicles, what is the maximum leakage rate acceptable?
• In the context of safe driving, what does "communicating" refer to?
• What does off tracking refer to in driving a vehicle with a trailer?
• What is the minimum age to obtain a Commercial Driver's License (CDL) in New York?
• How should you safely change lanes in a commercial vehicle?
• In which situations might legal maximum weights not be safe?
• What are signs that a driver may be distracted?
• What can help combat yawning while driving?
• What is the best way to handle a skid?
• What should a driver do if a traffic signal turns yellow while approaching?
• What indicates that a trailer is equipped with antilock brakes?
• Where should reflectors be placed when stopped on a divided highway?
• What is one advantage of going right instead of left around an obstacle?