CDL Combination Vehicles Practice Test Results

Question 1
49% answer correctly
Rearward amplification array(the "crack-the-whip" effect) is greater in combinations where there are __________ and __________ trailers.
Fewer, shorter
Fewer, longer
More, longer
More, shorter
Question 2
87% answer correctly
After hooking the trailer to the tractor you should check the fifth wheel connection by:
Pulling the tractor ahead slowly with the trailer brakes locked
Pulling the tractor ahead quickly with the trailer brakes unlocked
Backing the tractor slowly with the trailer brakes locked
Backing the tractor quickly with the trailer brakes unlocked
Question 3
94% answer correctly
To avoid rollovers:
Drive slowly on on-ramps and off-ramps
Drive slowly around corners
All of these are correct
Avoid quick lane changes