CDL General Knowledge Practice Test Results

Question 1
73% answer correctly
Why is it important to use a helper when backing?
To warn traffic and pedestrians that you`re backing
It isn`t important to use a helper when backing
To let you know when you`ve backed far enough
To provide another set of eyes to avoid blind spots
Question 2
47% answer correctly
There are __________ classes of hazardous materials
12
6
9
3
Question 3
76% answer correctly
Which of the following are conditions in which you should downshift?
Before starting up or down a hill
Before entering and before leaving a curve
Before starting up a hill and before leaving a curve
Before starting down a hill and before entering a curve