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Texas CDL Permit Test - Knowledge Test Class A

Number of questions: 50
Passing score: 40
Directions: This license is required for driving any legal combination of vehicles,with a gross combination weight rating of 26,001 pounds or more, provided the GVWR of a trailer exceeds 10,000 pounds. To receive this license, applicants must pass a 70-question test. Test questions come from the Texas Commercial Motor Vehicle Drivers Handbook. Each question has four answer choices. To pass, applicants must answer 56 questions correctly. Test questions come from the Texas Commercial Motor Vehicle Drivers Handbook. Questions come from chapters covering: Introduction, Driving Safely, Transporting Cargo Safely, Air Brakes (if applicable), Combination Vehicles, Pre-Trip Vehicle Inspection Test, Basic Vehicle Control Skills Test and On-Road Driving. Endorsemetns that may be used with a Class A CDL are: Hazardous materials, Tank, Passenger, Doubles/Triples, HazMat and Tank, Air Brakes and School bus.
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Passing grade —
10 or fewer errors
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8.

When driving with a load, the driver should:

Stop and check on the cargo within the first 50 miles of the trip.
Ask other drivers about the condition of their load.
Use the side mirrors only to check on the cargo.
Not check on the cargo if it was secured properly before starting the trip.
9.

What can change the height of a vehicle?

Color
Length
Weight
Number of windows
10.

When checking the air and electrical lines during a vehicle inspection, all of the following should be true, except:

The air hoses are making a hissing noise.
The air hoses and electrical lines are not cut.
The air lines are not pinched.
The air lines are not dragging against tractor parts.
11.

If a truck's Anti-Lock Braking System (ABS) is not working:

The truck will not have any brakes.
The truck should be driven only at slow speeds.
The truck will still have brakes.
The truck will lack brakes on its left side.
12.

When passing another vehicle, you should:

Make eye contact with the other driver.
Assume the other driver doesn’t see you.
Honk your horn.
Wave to other drivers.
13.

During exercises that are not the straight line backing exercise, you may exit your vehicle to check its position no more than:

One time.
Two times.
Three times.
Four times.
14.

When nearing a construction worker who is close to the road, you should:

Increase your speed.
Decrease your speed.
Not drive in any lane.
Wait until the construction is complete before proceeding.
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