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Florida CDL Permit Test - Combination

Number of questions: 20
Passing score: 16
Directions: All applicants who are applying for a Class A CDL should be prepared to take the Combination test. This test covers information found in Section 6 of the Commercial Driver License Manual. Section 6 provides the information needed to safely operate tractor-trailers, doubles, triples, and straight trucks with trailers. The test is made up of 20 multiple-choice questions, and applicants will have one hour to correctly answer a minimum of 16 questions. The Combination test is not a replacement for the Double/Triple endorsement test.
You have made error so far
Passing grade —
4 or fewer errors
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1.
Avoid needing to make sudden lane changes by:
Using your horn to encourage other drivers to move out of your lane.
Only driving slower than the posted speed limit.
Watching the road ahead while driving.
Pulling off the road and waiting when there is high traffic.
2.
After connecting the air lines to the trailer while coupling, you should:
Supply air to the trailer.
Chock the wheels.
Inspect the fifth wheel.
Connect the electrical cord.
3.
What does the trailer air supply control look like?
It is a square blue knob.
It is a triangular yellow knob.
It is an eight-sided red knob.
It is a circular orange knob.
4.
Pull out the trailer air supply control to test:
The parking brake.
The trailer emergency brakes.
The trailer service brakes.
The landing gear.
5.
Rollovers happen when drivers:
Turn too quickly.
Do not driving fast enough.
Pay attention to the road.
Drive illegally.
6.
Driving a combination vehicle ____ than driving a single vehicle.
Is easier
Requires more driving skill
Is better for training
Is safer in inclement weather
7.
The emergency air line:
Is controlled by the foot brake.
Is connected to the relay valves.
Supplies air to the trailer air tanks.
Prevents skids.
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