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SUBJECT 1 · VEHICLE BASICS

What role does the ABS system play during emergency braking of a motor vehicle?

A
Cut off power output.
B
Control direction automatically.
C
Reduce braking inertia.
D
Prevent wheel lock-up.
ANSWER · D
ABS is the anti-lock braking system. It is a safety brake control system with anti-skid and anti-lock advantages. It prevents loss of direction control and wheel slip during emergency braking, prevents wheels from locking up, prevents tires from rubbing the ground at one point, increases friction, and achieves a braking efficiency of over 90%.
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