Texas CDL Permit Test - Class A

Number of questions: 70
Passing score: 56
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.
You have made error so far
Passing grade —
14 or fewer errors
On a truck with air brakes, what does the braking system’s air compressor do?
It pumps air into the air storage tanks
It fills the tires
It moves air to the back of the truck
It cleans the brakes
If ABS malfunctions:
The driver will not know
A yellow lamp will light up on the control panel
The brakes will lock up
The brakes will not work
The best advice for driving in fog is:
Stay in the left lane
Don’t drive in fog
Use low beam lights
Follow closely behind other vehicles
Looking far ahead when driving is:
Discouraged since it is far ahead and there is little you can do
Encouraged to identify hazards as soon as possible
Not allowed
Only encouraged when driving hazardous materials
During the vehicle inspection test, when inspecting engine compartment belts:
Belts should be checked for snugness, with up to 3 inches of play
The water pump belt does not need to be identified
The air compressor belt should be taken off
If any components are not belt drive, the applicant must tell the examiner which items re not belt drive
You should be able to stop within:
10 feet
1,000 feet
Your view of the road ahead
A minute
When checking the automatic transmission fluid:
The vehicle should be placed on an incline
The vehicle should be placed on a decline
The vehicle may have to be running
The vehicle should be lifted with a jack
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