Technician a says that the aspect ratio of a tire represents the relationship between the tire's cross-sectional height to its cross-sectional width. technician b says that low aspect ratios provide a softer ride because they will deflect more over irregular surfaces and under heavy loads. who is correct?
a. technician a
b. technician b
c. both a and b
d. neither a nor b

Technician A

Explanation:

Often referred to as the profile or series, the aspect ratio of a tire is determined by dividing a tire’s section height by its section width when the tire is: inflated to maximum air pressure, mounted on the approved measuring rim, and under no load. This rules out Technician B.

A tire with a lower aspect ratio responds to lateral force more effectively than a tire with a higher aspect ratio. The aspect ratio affects steering stability. Generally, the shorter the sidewall, or the lower the aspect ratio, the less time it takes to transmit the steering input from the wheel to the tread. The result is quicker steering response. Aspect ratio also affects the tread contact patch. As a rule, a low-profile tire produces a wider tread contact patch. This wider tread contact patch creates a stiffer footprint that reduces distortion and provides improved cornering traction. Aspect ratio also impacts ride. A low-profile tire usually has a stiffer ride than the standard aspect ratio of 75 or more.

as technology advances, new experiments often expose problems in accepted theories. c

hope i

-lavira: )

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