CDL Practice Tests

General Knowledge Practice Test










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Question #1 of 67

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Brake hard enough to feel a slowdown, when your speed has been reduced to 5 mph below your safe speed, release the brakes. When your speed has increased to your safe speed, repeat these steps.


This is the procedure for a blown tire.

This is the procedure for driving on slippery roads.

This is the procedure for coming down long steep grades.

All of the above.

None of the above.



The CDL General Knowledge Practice Tests

All commercial drivers are required to pass general knowledge test questions to obtain a CDL. Our permit practice test questions cover all of the following subjects from your state CDL manual:

Basic Vehicle Control - Know how to safely back, turn, and handle a commercial vehicle in multiple driving situations.

Vehicle Inspections - Test questions covering the basic pre-trip, during a trip, and post-trip vehicle inspections.

Seeing - These questions cover scanning the road ahead while driving in the city and on the highway, as well as the use of mirrors while driving commercial vehicles.

Shifting Gears - Understand when and how to shift gears properly in all regular driving scenarios while using manual and automatic transmissions.

Space Management - These questions cover the importance of keeping a safe distance around your vehicle all at times.

Communicating - Understand when you should communicate your intentions while driving by using headlights, turn signals, 4-way flashers, brake lights, and your horn.

Distracted Driving - Understand how to identify distracted drivers while driving, and the procedures to avoid becoming a distracted driver yourself.

Identifying Hazards - Know how to identify hazards and make plans should these hazards become emergencies.

Aggressive Drivers & Road Rage - You should be able to define the difference between the two and how to deal with each of these types of drivers if confronted.

Controlling Speed - General knowledge test questions covering posted speed limits on highway ramps and how to control vehicle speed in curves.

Driving in Fog - Be able to explain how to deal with this low visibility condition while driving a commercial vehicle.

Night Driving - These questions cover the procedures for safe night driving.

Driving in Hot Weather - These questions cover how to recognize hot slippery pavement, removing a radiator cap, and driving with hot tires.

Mountain Driving- Questions about the procedures for coming down a long steep grade in a commercial vehicle safely.

Winter Driving - Study the precautions for driving in snow and be able to define black ice.

Railroad Crossings - You will need to know the different types of rail crossings, when the law requires that you must stop, and how to drive across these obstacles safely.

Driving Emergencies - Explain how to respond when hazards develop into driving emergencies.

ABS - Understand how Antilock brake systems affect driving and how to check if your ABS is functioning properly.

Fires - Learn how to respond to vehicle fires properly, and know the type of fire extinguisher required for commercial drivers to carry in the vehicle.

Skid Recovery and Control - Skid Recovery and Control - Understand the different types of skids and how to prevent them, and how to recover from a skid properly.

Basic Hazardous Materials - Understand the hazmat basics. All commercial drivers are required to know about hazardous materials regardless of their CDL classification.

Accident Procedures - Understand how to respond to accidents whether you are involved, or stopping to assist other drivers.

Staying Alert - Questions covering sleep debt, alcohol, and how to prevent driving while drowsy.

You will need to answer multiple-choice questions about each of these topics to pass the general knowledge CDL test. Passing all of our practice tests with a score of 100% will ensure that you are prepared for this portion of the CDL permit test.

CDL Test Source: Federal Motor Carrier Safety Administration.


 

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