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
In the middle of the jackknife
Never
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.
Less
Half
More
The same amount of
Question 3
85% answer correctly
Why is it important to ensure that the fifth wheel is properly greased?
To prevent steering problems
To ensure good electrical connections
To ensure good hose connections
To ensure a secure connection to the trailer