Automobile Engineering in ME
In a square type engine

Stroke length and cylinder bore are same
Diameter and length of piston are same
Two cylinders are placed horizontal and two vertical
Geometrical shape is square

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Automobile Engineering in ME
An imbalance wheel during vehicle operation

Deflects in the vehicle's longitudinal direction
Creates a standing wave
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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Automobile Engineering in ME
In radial tyres

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

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