CDL Combination Vehicles Practice Test Results

Question 1
88% answer correctly
Large combination vehicles that are empty take __________ time to stop than those that are fully loaded.
More
The same amount of
Half
Less
Question 2
75% answer correctly
The locking jaws should close around the __________ of the kingpin.
Base
Neck
Top
Shank
Question 3
63% answer correctly
Suppose a trailer separates from the tractor and pulls apart the air lines. The trailer brakes would apply causing which of the following to occur?
The tractor brakes would lock up
The tractor would lose air pressure through the parted air lines
There would be no impact to the tractor brakes
The tractor brakes would apply