CDL Doubles and Triples Practice Test Results

Question 1
35% answer correctly
Which of the following statements about rearward amplification is not true?
The longer the trailers you`re pulling the larger the effect
The more trailers you`re pulling the larger the effect
Another name for rearward amplification is the crack-the-whip effect
The rearmost trailer is the most affected
Question 2
65% answer correctly
When making a lane change, check your mirrors:
After completing the lane change
Before signaling the lane change
When starting the lane change
All of these are correct
Question 3
29% answer correctly
You`re driving a 100 ft. double trailer at 35 mph. If the pavement is dry and weather is good how many seconds of following distance should you maintain?
35
8
12
10