Delaware CDL Permit 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 50-question test. To pass, applicants must answer 40 questions correctly. Each question has three or four possible answer choices. Test questions come from the State of Delaware Commercial Driver License Manual. Questions come from chapters covering: Introduction, Driving Safely, Transporting Cargo Safely, Air Brakes (if applicable), Combination, Doubles and Hazardous Materials. Endorsements that may be used with a Class A CDL are: Hazardous materials, Tank, Passenger, HazMat and Tank, Air Brakes and School bus.
You have made error so far
Passing grade —
10 or fewer errors
What is sleep debt?
When you fall behind on sleep
When you want to take a nap
Excess sleep
The amount of time it takes to get ready to drive after sleeping
Most heavy duty vehicles use:
Single air brake systems.
Dual air brake systems.
Triple air brake systems.
Quadruple air brake systems.
Poisonous fumes can enter the cab due to:
A defective exhaust system
Wrong type of fuel
Lack of oil in the engine
Why are roads slippier right after it begins to rain?
Because the water washes off the grease and oil from the road
Because the roads are naturally slippery
Because the gravel gets washed to the middle of the lane
Because some tires are not designed for rain
What is black ice?
A thick layer of ice on the road
A thin layer of ice on the road
Ice that is black from debris on the road
Ice that is easily seen
When taking a driving test:
You must supply the type of vehicle you will be using with the CDL
You must supply any type of vehicle, even if it is not the type of vehicle you will be using with the CDL
The testing station will supply the vehicle
Anti-Lock Braking Systems (ABS):
Reduce a vehicle's normal braking capacity.
Are in addition to other braking systems and do not reduce a vehicle's braking power.
Are not effective on larger vehicles.
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