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New Hampshire Commercial Driver's License (CDL) Practice Test

Browse all practice questions for the New Hampshire Commercial Driver's License (CDL) Practice Test. Search by topic, open any question and review its full explanation, then test yourself in the practice quiz.

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Adjust Your Speed for Safer Driving According to Road ConditionsHow should one adjust their driving speed according to road conditions?Avoiding High-Risk Maneuvers: A Must for Any CDL DriverWhat is considered a High Risk Maneuver for a commercial vehicle?Backing Safely: Mastering Commercial Vehicle ManeuversHow can a driver safely back up a commercial vehicle?Ensuring Cargo Stability: The Key to Safe TransportationWhat is the most critical aspect to check when transporting cargo?Finding Your Way to a CDL: The Minimum Age in New HampshireWhat is the minimum age to obtain a Commercial Driver's License (CDL) in New Hampshire for intrastate driving?Handling a Tire Blowout: Key Tips for Commercial DriversHow should you handle a tire blowout while driving a commercial vehicle?Handling Brake Failure: What Every Commercial Driver Should KnowWhat is a suggested method for handling brake failure?Handling Safe Distance During Inclement WeatherHow should you handle maintaining a safe distance during inclement weather?Heavy Cargo and Its Impact on Stopping Distance in New Hampshire CDL TrainingWhat is the effect of heavy cargo on stopping distance?Here’s What to Do During Your Pre-Trip InspectionWhat should drivers do during a routine pre-trip inspection?How Many Hours Should a Driver Sleep Every Day?The average driver needs ______hours of sleep every 24 hours.How to Avoid Collisions with Tailgaters: Smart Driving TipsWhat steps can help avoid a collision with a tailgater?How to Correct a Rear-Wheel Acceleration Skid EffectivelyHow do you correct a real-wheel acceleration skid?How to Handle Brake Failure on a Downhill DriveWhat should be done if the vehicle loses its brakes while driving downhill?How to Identify Icy Road Conditions When Driving in New HampshireWhat is a good indicator that ice may be forming on the roadway?How to Manage Fatigue While Driving a Commercial VehicleWhat is the best practice for managing fatigue while driving a commercial vehicle?How to Properly Secure Cargo in a Commercial VehicleHow should cargo be secured in a commercial vehicle?How to Safely Enter a Highway with a Commercial VehicleWhat is the correct way to enter a highway with a commercial vehicle?How to Safely Handle Aggressive Drivers on the RoadWhen confronted by an aggressive driver, the very first thing you should do is:How to Safely Navigate a Traffic Emergency When Driving a Large VehicleIf you need to leave the road in a traffic emergency, you should:How to Safely Transport Cargo as a Commercial DriverWhat should a commercial driver do to ensure cargo is transported safely?How to Stay Safe on the Road with Aggressive DriversHow should drivers react to aggressive drivers?Keep Your Distance: A Guide for New Hampshire CDL DriversWhat is the recommended following distance for commercial drivers when driving under 40 mph?Navigating the Rules of Mobile Device Use for New Hampshire CDL DriversIs it legal to use a handheld mobile device while driving a commercial vehicle?Smart Moves to Prevent Rollover Risks in Commercial VehiclesHow can one reduce the risk of a rollover in a commercial vehicle?The Importance of Convex Mirrors for Commercial DriversWhat does a "convex mirror" allow a commercial driver to see?The Importance of Understanding Vehicle Weight LimitsWhy is it crucial to understand the vehicle's weight limits?The Importance of Well-Lit Trucks in Accident PreventionWhat role do well-lit trucks play in accident prevention?Tips for Safely Stopping and Starting Heavy Vehicles on Uphill GradesWhen stopping a heavy vehicle on an uphill grade, what is a good rule to follow when getting it back in motion?Understand the Importance of Your Vehicle's Mirrors for Safe DrivingWhat is the primary purpose of your vehicle's mirrors?Understanding Air Brake Systems in Commercial VehiclesWhat does the air brake system in commercial vehicles primarily prevent?Understanding CDL Classifications: What You Need to Know About Class BWhat is one of the three primary types of CDL classifications?Understanding CVSA: Why It Matters for New Hampshire CDL CandidatesWhat does the acronym "CVSA" stand for in commercial driving?Understanding Defensive Driving for New Hampshire CDL ApplicantsWhat driving approach involves preparing for potential hazards?Understanding Hazardous Materials for Commercial DriversWhat are classified as "hazardous materials" for commercial vehicles?Understanding How to Safely Pass Other Road Users in New HampshireWhen you are passing another vehicle, pedestrian, or bicyclist, you should assume that:Understanding How Weather Impacts Commercial DrivingHow can adverse weather conditions affect the operation of a commercial vehicle?Understanding No-Zones: The Key to Safe Driving Around Large VehiclesWhat does the term "no-zone" refer to in commercial driving?Understanding Red Traffic Signals for Commercial DriversWhat does a red traffic signal mean for a commercial driver?Understanding Safe Vehicle Passing Techniques for New Hampshire DriversWhich of the following is NOT a suggestion when passing a vehicle?Understanding the Air Braking System: The Role of the Brake PedalWhat is the primary control device of the air braking system?Understanding the BAC Limit for Commercial Drivers: What You Need to KnowWhat is the maximum allowable blood alcohol concentration (BAC) for a commercial driver?Understanding the CDL Road Skills Test: What You Need to KnowWhat key skill does the CDL road skills test evaluate?Understanding the Consequences of Brake Failure in Commercial VehiclesWhat is a common consequence of brake failure in commercial vehicles?Understanding the Dangers of Distracted Driving in Commercial VehiclesWhat is a potential hazard of distracted driving in a commercial vehicle?Understanding the Dangers of Wet and Slippery Roads for CDL DriversCommercial drivers should be especially cautious of which type of road condition?Understanding the Emergency Stop: Key to Safe Commercial DrivingWhat is the primary purpose of the Emergency Stop on a commercial vehicle?Understanding the FMCSA's Role in Highway SafetyWhat is the primary goal of the Federal Motor Carrier Safety Administration (FMCSA)?Understanding the Impact of Fatigue on Driving: A Critical Insight for New Hampshire CDL Test-takersWhat is one effect of fatigue on driving ability?Understanding the Importance of Bridge Formulas for CDL DriversWhat is the purpose of bridge formulas?Understanding the Importance of Pre-Trip Inspections for New Hampshire CDL LearnersWhat is a pre-trip inspection?Understanding the Importance of Proper Maintenance for Commercial VehiclesWhy is proper maintenance essential for commercial vehicles?Understanding the Importance of Safe Backing Practices for Heavy VehiclesWhich of these statements about backing a heavy vehicle is true?Understanding the Importance of the Tires Section in a Pre-Trip InspectionWhat is the significance of the "Tires" section in a pre-trip inspection?Understanding the Important Role of Dashboard Warning LightsWhat is the role of the dashboard warning lights?Understanding the Logbook: A Key Tool for Commercial DriversWhat is the primary purpose of the Logbook for a commercial driver?Understanding the Pre-Pass System for Commercial DriversWhat is a "pre-pass" system designed to do?Understanding the Requirements for a New Hampshire Commercial Driver's LicenseWhich of the following is a requirement for obtaining a CDL in New Hampshire?Understanding the Risks of Crossing Railroad Tracks on Dirt RoadsWhat is a potential danger of crossing railroad tracks on dirt roads?Understanding the Risks of Hazardous Materials for CDL DriversWhich of these is true about hazardous materials?Understanding the Risks of Improper Cargo Loading for Your CDLWhat can improper cargo loading lead to?Understanding the Role of Tachometers in Double-Clutching and Gear ShiftingWhat is a true statement about double-clutching and shifting?Understanding Truck Rollovers: The Surprising Dynamics at PlayWhat is the primary cause of truck rollovers?Understanding Vehicle Inspection Responsibilities for CDL DriversWhat must drivers do after an inspection of their vehicle for defects?Understanding What a Yellow Traffic Light Really Means for DriversWhat does a yellow traffic signal indicate to drivers?What DOT Means and Why It Matters for Your CDLWhat does the acronym "DOT" stand for?What to Check During a Pre-Trip Inspection for Your CDLWhat should you look for during a pre-trip inspection?What to Do After a Vehicle Collision: A Guide for DriversWhat action should a driver take after a vehicle collision?What to Do First After a Collision in a Commercial Vehicle?What should you do first if involved in a collision while driving a commercial vehicle?What to Do If Hazardous Materials Spill from Your Commercial VehicleWhat is the protocol if hazardous materials spill out of a commercial vehicle?What to Do If You Must Use Your Cell Phone While DrivingIf you must use a cell phone while you're driving you should:What to Do When a Warning Light Comes On While DrivingWhat should a driver do if a warning light turns on while driving?What to Do When Your ABS Malfunction Lamp Lights UpIf a tractor, truck, or bus has anti-lock brakes and the yellow ABS malfunction lamp lights up on the instrument panel when you are underway, you should know?What To Do When Your Truck Starts Overheating: A Practical GuideWhat should be your immediate response if your truck starts to overheat?What to Do When Your Truck's Engine Overheats During a Trip?What is the recommended action if your truck's engine begins to overheat during a trip?What to Do When Your Vehicle Starts to SkidWhat should a driver do if their vehicle starts to skid?What You Need to Know About a Class A CDLWhat does a Class A CDL allow you to drive?What You Need to Know About CDL Age RequirementsFor which driving is 21 years old the minimum age to obtain a CDL?What You Need to Know About Gross Combination Weight for New Hampshire CDLThe total weight of a powered unit, the trailer, and the cargo is called?What You Need to Know About Transporting Hazardous Materials in New HampshireWhat is required by law when transporting hazardous materials?What You Need to Know About Vehicle Registration for Commercial Use in New HampshireWhat must be included on a vehicle's registration for commercial use?What You Need to Know When Approaching a Railroad CrossingWhat must drivers do when approaching a railroad crossing?What You Should Do Before Merging into Traffic: A Necessary Safety CheckWhat should a driver do before merging into traffic?When and Why to Use Turn Signals: A Driver's GuideWhen should a driver use turn signals?When is it Safe to Drive in Fog?When is it safe to drive in foggy weather?When Should You Use Hazard Lights?When should a driver utilize hazard lights?When to Learn How a Fire Extinguisher Works for SafetyWhen is it necessary to learn how a fire extinguisher works?Why Checking Your Vehicle's Lights and Signals is Crucial in a Pre-Trip InspectionWhat is one of the first checks in a Pre-Trip Inspection?Why Exceeding Weight Limits in Commercial Vehicles Can Be DangerousWhat is a key consequence of driving a commercial vehicle that exceeds weight limits?Why Increasing Following Distance Matters in New Hampshire's Inclement WeatherIn which situation is it most crucial to increase following distance?Why Keeping Your Truck Well-Lit at Night MattersWhy should you keep your truck well-lit at night?Why Maintaining Your Brake System is Crucial for Safe DrivingWhat is a common result of driving with poorly maintained brakes?Why Matching Traffic Speed is Crucial for Commercial Vehicles Merging onto HighwaysWhen merging onto a highway, what is critical for a commercial vehicle?Why Pre-Trip Inspections Are Key Before You Hit the RoadWhat is essential to perform before every trip in a commercial vehicle?Why Pre-Trip Inspections Are Key for Commercial DriversHow often should a commercial driver perform pre-trip inspections?Why Proper Lane Usage is Crucial for Commercial Vehicle SafetyHow can improper lane usage affect the safety of a commercial vehicle?Why Situational Awareness is Key for Safe DrivingWhich underlying trait should a driver aim to develop for safety?Why Situational Awareness Makes or Breaks Your Driving SuccessWhy is situational awareness important for drivers?Why the CDL Road Skills Test Matters: It's More Than Just DrivingWhat is the purpose of the Commercial Driver's License (CDL) road skills test?Why Vehicle Credential Checks Matter For Commercial DriversWhat is the primary purpose of vehicle credential checks on the road?Why You Should Always Inspect Your Brakes Before Every TripHow often should you inspect your vehicle's brakes while driving commercially?

More practice questions

These questions are part of the practice quiz. Start practicing

When must you use your headlights while driving?
What is the purpose of a Commercial Driver's License?
How can you identify a distracted driver on the road?
During low visibility conditions like dawn or rain, how can you ensure you are seen by others?
Which of these is NOT a type of retarder?
Perception distance is the distance your vehicle travels from the time:
Which of these statements about cargo loading is true?
When is it especially important to increase your following distance?
Most skids are caused by?
What is the best method to choose a safe speed when driving on grades?
Which of these is true about the radiator shutters and the winterfront during winter driving?
If heavy traffic is moving at 35 mph, and you could safely drive at 55 mph, what is the safest speed for your vehicle?
Regarding engine braking, which statement is true?
When driving on a snow-packed road, how much should you reduce your speed by?
What is true about checking the coolant level in a pressurized system?
Anti-lock braking systems (ABS) use sensors and computers to sense what?
Which statement about speed management is true?
Which of these statements is true regarding pre-trip inspections?
What is the primary reason for having a safe following distance?
Placards must be:
What should you do when you encounter a school bus with flashing lights?
You do NOT have a hazardous Materials Endorsement on your Commercial Driver's License. Under what circumstance can you drive a vehicle hauling hazardous materials?
When driving in cold weather, your tire tread should:
When braking for an emergency stop with a vehicle that has anti-lock brakes on all axles, you should?
What causes your vehicle's speed to naturally increase on a downgrade?
What is the recommended distance to keep from the vehicle ahead of you in good driving conditions?
What should a driver do before making a lane change?
Which of these is true about other drivers?
When driving on roads with lower speed limits for trucks, what should a driver do?
When should you turn on your 4 way emergency flashers?
Which of these is NOT something you should do if your headlights are not working properly?
Which of these is true about proper use of a steering wheel?
What should you do to merge safely onto a road?
When dealing with an aggressive driver, what is the first course of action?
What is the primary purpose of a pre-trip inspection?
Strong winds most affect driving in which situation?
What is the recommended action if you see a vehicle tailgating you?
What is true about using a heater in winter conditions?
What does counter steering involve?
How should your vehicle's outside mirrors be adjusted?
What should you do when your vehicle hydroplanes?
When should you downshift for a curve?
When should a helper be used to assist while backing your vehicle?
The primary cause of fatal crashes is:
What is the correct protocol for notifying authorities after an accident?
What is the best way to handle a skid?
Which document is essential for commercial drivers to have during transport?
What is the best thing to do if you feel sleepy after driving for several hours on a long trip?
What is a danger signal of drowsy driving?
You should wear your seat belt in a moving vehicle:
If your vehicle gets struck on a raised railroad-highway crossing, what should you do?
Under what conditions should you use low-beam headlights?
Which statement about overhead clearance is accurate?
What should a driver do if they receive a tire blowout while driving?
If you have a heavy load that is slowing you down on an upgrade, what should you do?
When should drivers of commercial vehicles regularly check their mirrors?
What should you do if your drive wheels start to spin when starting from a stop?
Drivers of trucks and truck tractors with cargo must check that the cargo is well-secured within the first ___ miles of a trip.
Which of these may be a sign of tire failure?
When is it appropriate to use your horn while driving?
What can happen if you do not properly secure a load?
Which of the following is NOT a danger when an automatic transmission is forced into a lower gear at high speed?
When starting a bus on a level surface with good traction, what is often unnecessary?
Containerized loads:
What is controlled braking primarily used for?
You are driving in an area with few streetlights on a clear night. If your headlights do not provide enough visibility, what should you do?
If you must return to the road before stopping on the shoulder, what is the best procedure?
What is the primary purpose of using a low gear in mountainous driving?
Which of these is true about bad weather and driving conditions?
How many missing or broken leaves in any spring will cause a commercial vehicle to be placed out of service?
Your vehicle has hydraulic brakes. When traveling on a level road, you press the brake pedal and find that it goes to the floor. Which of these statements is true?
What is the purpose of truck escape ramps?
Should brake adjustment be checked often?
In which scenario is it best to avoid using cruise control?
What is the safest method for using in-vehicle communications equipment?
Why is it important to check your mirrors frequently while driving?
Which of these is NOT a brake check you normally do during your walk-around inspection?
During an inspection of hydraulic brakes, if the brakes are working properly, what should happen to the brake pedal after pumping it three times and applying firm pressure for five seconds?
What is the main purpose of a commercial driver maintaining a logbook?
When checking your wheels and rims during a pre-trip inspection, which statement is true?
Why is it important to shift gears correctly?
What is the recommended action if your vehicle's brake system fails?
Over-length, over-width, or over-weight loads require what?
What should you do when you encounter a stopped school bus with flashing lights?
What does a round, black on yellow warning sign indicate?
What is a potential consequence of overloading your vehicle?
What does emergency braking mean?
Which of these is NOT true about braking in an emergency situation?
What should you do if a car coming toward you at night keeps its high beams on?
What is true about rear drive wheel braking skids?
Which of the following can keep you from being distracted while you drive?
What was the focus of the latest safety regulations for commercial vehicles?
Which of the below is NOT characteristic of front tire failure?
Which transmission type does NOT add extra gears to some trucks?
If you must enter the oncoming lane while turning, what should you do?
Which statement about drugs while driving is accurate?
Which type of fire can be extinguished using water?
What should a driver do before driving in mountainous terrain?
When is a full stop required at a railroad grade crossing?
What is the proper way to handle a situation where your vehicle starts to skid?
If you are being tailgated, you should:
Which of these should be tested while the vehicle is stopped?
When driving on slippery roads, what should you do?
What can cause you to get hung up on railroad tracks?
What factor does NOT affect your choice of gears in mountain driving?
By how much can your reaction time slow due to a distraction, increasing the chance of a crash?
What is the appropriate reaction to seeing a red traffic light?
You do NOT have a hazardous materials endorsement on your CDL. What should you do if asked to deliver hazardous materials in a placard vehicle?
Brake fade can be caused by?
Why is it recommended to limit the use of your horn?
Which of the following is a hazard when driving a large commercial vehicle?
Where or how is cargo blocking utilized in a vehicle?
When should you use your turn signals?
What action can help prevent accidents while driving?
What does a convex (curved) mirror do compared to flat mirrors?
What special care is required when driving with dry bulk tanks?
When backing your vehicle and unsure of your position, what should you do?
Hydroplaning is more likely to occur under which circumstance?
What is the recommended use of tire chains when driving in winter weather?
What must you do when parked at the side of the road at night?
For safety, how should you set out reflective triangles?
What is the best practice to maintain a safe following distance in a commercial vehicle?
Your vehicle is in a traffic emergency and may collide with another vehicle if you do not take action. Which of these is a good rule to remember at such a time?
When approaching a railroad crossing, what should you always do?
What is a consequence of oversteering when making a wide turn?
In your mirror, you see a car approaching from the rear. The next time you check your mirror, you do not see the car. You wish to change lanes. You should:
Which statement about drugs is true?
During a skid, what is the most effective way to regain control of the vehicle?
What is one key aspect to focus on during vehicle maintenance?
What should you do if you experience brake failure while driving?
Which space is most important to manage around your vehicle?
As the Blood Alcohol Concentration (BAC) increases, what consequence occurs?
What effect does hot weather have on tar in road pavement?
When approaching a railroad crossing, what should a driver do?
When should you use your headlights while driving?
The distance that you should look ahead of your vehicle while driving at highway speed is about _____ mile?
Which of these is NOT true about alcohol consumption and absorption?
To determine Blood Alcohol Concentration (BAC) for a person, it is necessary to know?
What should you do before driving in mountainous areas?
What is the term used to describe a commercial vehicle's tendency to swing wide on turns?
What should you do if you encounter a road blockage?
How far ahead should you look while driving at low speeds?
Which of these items is NOT typically checked in a pre-trip inspection?
What is a good way to react to an aggressive driver?
Which of these is usually true about driving in tunnels?
What should you do if you encounter a vehicle driving slowly in front of you?
What is a key factor in maintaining traction while driving on slippery surfaces?
How does vehicle weight impact stopping distances?
How can hazardous materials be identified?
What is a significant effect of medicines used for the common cold while driving?
Which of these is NOT required knowledge for drivers needing the hazardous materials endorsement?
What is the proper way to signal to change lanes?
Which type of vehicle is likely to have the most difficulty staying in its lane during strong winds?
You will know if the vehicle you are driving has anti-lock brakes by?
If you do not have a CB radio, what is the first thing you should do at an accident scene?
Which two components are crucial when preparing for a long trip?
When driving a new truck with a manual transmission downhill, what gear should you use?
If your brakes fail on a downgrade, you must first:

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