CDL General Knowledge Practice Test Results

Question 1
77% answer correctly
Retarders:
Increase fuel efficiency during highway driving
Are appropriate only in rainy and snowy conditions
Can cause drive wheels to skid when they have poor traction
Increase break wear
Question 2
63% answer correctly
If your vehicle is stopped on a hill how can you start moving without rolling back?
Use a higher gear
Partially engage the parking brake releasing it as you start moving forward
Partially engage the clutch before releasing the brake
Use wheel chocks under the front or rear wheels
Question 3
47% answer correctly
What is reaction distance?
The distance required to stop your vehicle
The distance traveled between when you see a hazard and when you start to take action to avoid it
The distance traveled from the time your brain tells your foot to move from the accelerator to the time you actually push down on the brake pedal
The distance traveled from the time your brain tells you to brake to the time you stop your vehicle