Automobile Engineering in ME
The aspect ratio (expressed in percentage) of the tyre is defined as the ratio of

Section height to section width
Wheel diameter to section width
Section width to section height
Wheel diameter to section height

ANSWER DOWNLOAD EXAMIANS APP

Automobile Engineering in ME
An imbalance wheel during vehicle operation

Bounces vertically or deflects from side to side (as seen from front or rear)
Makes large noise when its heavy point hits the road surface
Deflects in the vehicle's longitudinal direction
Creates a standing wave

ANSWER DOWNLOAD EXAMIANS APP