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

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

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Automobile Engineering in ME
The ball joints are used on the tie rod ends, because they

Reduce the amount of sliding resistance
Can deal with movement of the suspension both vertically and in other directions
Improve the force transmission speed
Reduce the amount of noise generated

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