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Question 1

91% answer correctly

When backing up under a trailer you should line the tractor up:

	Directly in front of the trailer
	Diagonally to the left so you can see the connection area in the passenger side mirror
	Diagonally to the left so you can see the connection area in the driver side mirror
	The right side wheels of the tractor with the left side wheels of the trailer

Question 2

96% answer correctly

To reduce the risk of rollover when driving a combination vehicle:

	Concentrate the cargo to one side of the rig
	Concentrate the cargo at the front and back of the rig
	Keep the cargo as close to the ground as possible
	Keep the cargo as far away from the ground as possible

Question 3

49% answer correctly

Rearward amplification array(the "crack-the-whip" effect) is greater in combinations where there are __________ and __________ trailers.