Automobile Engineering in ME
In radial tyres

Inner tubes are always used
All plies run parallel to one another and vertical to tyre bead
None of these
One ply layer runs diagonally one way and another layer runs diagonally the other way

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Automobile Engineering in ME
An imbalance wheel during vehicle operation

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

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