CDL Combination Vehicles Practice Test Results

Question 1
89% answer correctly
When is the proper time to use the trailer handbrake to straighten out a trailer that`s jackknifing?
When you start to recover from the jackknife
Never
In the middle of the jackknife
As soon as you start to jackknife
Question 2
88% answer correctly
Large combination vehicles that are empty take __________ time to stop than those that are fully loaded.
Half
Less
The same amount of
More
Question 3
85% answer correctly
Why is it important to ensure that the fifth wheel is properly greased?
To ensure good electrical connections
To ensure a secure connection to the trailer
To prevent steering problems
To ensure good hose connections