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Combination Vehicles #5
Practice Test
Active Practice Session
Combination Vehicles #5
Question 1 of 20
5% complete
Question 1
What should you do first when coupling a tractor-semitrailer?
A
Adjust the rearview mirrors
B
Fill the fuel tank.
C
Inspect the fifth wheel
D
Hook up all air lines to the trailer
Select an answer to continue.
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