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

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

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Automobile Engineering in ME
In which of the following conditions, the idle CO percentage should be measured with the vehicle?

Headlights and other electrical devices are switched off
Headlights and other electrical devices are switched on
Headlights and other lights are switched off
Headlights are switched on

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