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

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Automobile Engineering in ME
In radial tyres

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
Inner tubes are always used

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