Section 8

Maximum braking at amy wheel occurs

• just before wheels lock up

• just as wheels lock up

• just as wheels release from lock up

• in the lowest gears

ABS is designed to offset the risks of driving too fast for conditions.

• true

• false

What safety related advances have been made on newer tractors?

• kingpin locks

• electronic on board recorders

• auto transmission stop (ATS)

• anti-lock braking systems (ABS)

ABS always provides a shorter distance in CMS's

• true

• false

Jackknifing occurs most rapidly when

• Steer tires lock up

• trailer wheels lock up

• tractor drive wheels lock up

• wheen all wheels lock up

A driver should maintain a following distance of how long on an open highway?

• 6 seconds

• 3 seconds

• 4 seconds

• 5 seconds

Stopping is controlled by

• gravity

• pressure

• friction

• grinding

How does a professional driver keep traction on a slippery road?

• drive at a low rate of speed

• gradual application of accelerator and brakes with no abrupt turning

• adequate tread depth on tires

• all of the above

To recover from a skid, the driver should steer in which direction?

• the opposite direction that the front of the vehicle is skidding in

• the same direction that the from fo the vehicle is skidding in

• the opposite direction that the rear of the vehicle is skidding in

• the same direction that the rear of the vehicle is skidding in

In a curve, cintrifugal force is already pulling the vehicle towards the inside of the curve

• true

• false