CDL Requirements
A Commercial Driver's License (CDL) is required to operate a vehicle with a Gross Vehicle Weight Rating (GVWR) of: a) 10,001 pounds or more b) 26,001 pounds or more
b) 26,001 pounds or more
What is required for certain types of commercial driving? a) A high school diploma b) A medical examiner’s certificate
b) a medical examiners certificate
What should be checked before driving a CMV? a) Pre-trip inspection or b) Trip directions
a) Pre-trip inspection
What safety equipment must a CDL driver carry with them?
A. A fire extinguisher, spare electrical fuses (if applicable), and warning devices such as reflective triangles.
B. First aid kit, jumper cables, and a flashlight.
A. A fire extinguisher, spare electrical fuses (if applicable), and warning devices such as reflective triangles.
What is the main purpose of the air compressor in an air brake system?
A. To release air from the system.
B. To pump air into the air storage tanks.
B. To pump air into the air storage tanks.
What is a key consideration when driving a combination vehicle compared to a single vehicle?
A. Combination vehicles have a shorter stopping distance.
B. The risk of jackknifing is higher with combination vehicles.
B. The risk of jackknifing is higher with combination vehicles.
Which test is a required part of the CDL skills test? a) The pre-trip inspection b) The road sign test
a) The pre-trip inspection
What is the consequence of a first DUI conviction with a BAC of .04% or higher while driving a CMV? a) A 30 day suspension of the CDL b) One year loss of CDL
b) One year loss of CDL
Which statement is true about the braking distance for heavier commercial vehicles compared to passenger vehicles? a) Braking distance is shorter. b) Braking distance is longer.
b) Braking distance is longer.
What is the safest approach when backing up a commercial vehicle?
A. Backing toward the passenger side to increase visibility.
B. Backing toward the driver’s side to increase visibility.
B. Backing toward the driver’s side to increase visibility.
What should the air pressure be for a properly functioning air brake system in most commercial vehicles?
A. 20–40 psi.
B. 100–125 psi.
B. 100–125 psi.
What is the primary purpose of the service air line in combination vehicles?
A. To provide air to the suspension system.
B. To carry air to the trailer brakes.
B. To carry air to the trailer brakes.
Which CDL test is not required for Class A CDL permit? a) General Knowledge Test or b)On-Road Driving Test
b) On-road driving test
Serious traffic violations can result in what action being taken against your CDL? a) A fine b) Suspension of your CDL
b) Suspension of your CDL
What is a major cause of commercial vehicle accidents? a) Poor road conditions b) Driver fatigue
b) Driver fatigue
What is a recommended best practice to ensure safety while backing a commercial vehicle?
A. Avoid using mirrors and rely solely on cameras.
B. Use a helper when available and agree on hand signals beforehand.
B. Use a helper when available and agree on hand signals beforehand.
What happens when the air pressure in an air brake system drops below a safe level?
A. The brakes automatically release to prevent wheel damage.
B. The spring brakes automatically activate.
B. The spring brakes automatically activate.
What is the proper procedure for coupling a trailer to a tractor?
A. Secure the fifth wheel lock after confirming no space between the apron and skid plate. B. Connect the air lines first before locking the fifth wheel.
A. Secure the fifth wheel lock after confirming no space between the apron and skid plate.
To drive interstate you need to be at least a) 18 years old b) 21 years old
b) 21 years old
Within how many days must you notify the DMV of an out-of-state traffic conviction? a) 7 days b) 10 days
b) 10 days
What is an illegal and dangerous behavior for commercial drivers? a) Changing lanes frequently b) Distracted driving
b) Distracted driving
How often must the securement of cargo be inspected during transit?
A. Only at the beginning of the trip.
B. After the first 50 miles and then every 150 miles or three hours.
B. After the first 50 miles and then every 150 miles or three hours.
How often should the air tanks in a vehicle equipped with air brakes be drained?
A. Every 5,000 miles.
B. At the end of each driving day.
B. At the end of each driving day.
What should you do if the trailer begins to skid while driving?
A. Apply the trailer brakes.
B. Release the brakes and steer gently.
B. Release the brakes and steer gently.
What type of tests are CDL drivers subject to? a) Annual vision tests b) Random drug and alcohol tests
b) Random drug and alcohol tests
What is required for commercial drivers to record their hours of service? a) Logbooks b) Time cards
a) Logbooks
What can occur when the trailer skids or loses control? a) Tire blowout b) Jackknifing
b) Jackknifing
What should a CDL driver check when inspecting cargo for securement?
A. That the load is balanced and properly blocked, braced, or tied down.
B. That the cargo does not exceed the height of the trailer.
A. That the load is balanced and properly blocked, braced, or tied down.
What is the correct procedure for testing the low air pressure warning signal?
A. Press and hold the brake pedal until the signal activates.
B. Reduce air pressure by pumping the brake pedal until the signal activates.
B. Reduce air pressure by pumping the brake pedal until the signal activates.
Why is it important to test the tractor protection valve?
A. To ensure the trailer does not detach during driving.
B. To confirm the emergency brakes engage if air pressure is lost.
B. To confirm the emergency brakes engage if air pressure is lost.