Ace Your DMV Written Test with our Guaranteed Cheat Sheet.
Cheat Sheet

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
advertising
1.
Failure to keep the fifth wheel plate properly greased could:
Cause the trailer to disconnect.
Cause steering problems.
Cause braking problems.
Affect the lights.
2.
Pull out the trailer air supply control to test:
The parking brake.
The trailer emergency brakes.
The trailer service brakes.
The landing gear.
3.
Rollovers are most likely to happen when:
Drivers turn too fast.
Driver turn too slowly.
It is windy.
It is raining.
4.
A loss of air pressure in the emergency line will cause:
The suspension springs to extend.
The tractor protection valve to open.
The rear trailer to detach from the combination.
The emergency brakes to activate.
5.
If oil and water build up in your vehicle's air tanks, the brakes:
May not work correctly.
May feel squishy.
Will squeal loudly when used.
Will be extremely sensitive.
6.
Before a drive, ensure that air flows to all trailers by:
Opening the rear shut-off valves and listening for escaping air.
Closing the rear shut-off valves and listening for escaping air.
Disconnecting air supply lines and listening for escaping air.
Rolling each trailer down a hill and testing the brakes.
7.
Starting in which year were newly manufactured trailers required to have ABS?
1972
1987
1998
2004
Ace Your DMV Written Test
Get your Cheat Sheet Now!

Wait, before you go

Ace your DMV Written Test with our Guaranteed Cheat Sheet.

  • Cheat Sheets Save Time
  • Cheat Sheets pass on your first try