Automobile Engineering in ME
The battery is an electrochemical device, which means battery

Makes chemicals by mechanical means
Does not use an electrolyte
Uses chemical action to provide electricity
Has curved plates instead of flat plates

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Automobile Engineering in ME
The rigid suspension is beneficial when

Large changes in load make it necessary to have a large suspension stroke
It is desired to have more flexibility in design
It is desired to reduce the unsprung mass
It is desired to improve tyre to ground contact characteristics

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