Automobile Engineering in ME
The purpose of a balancer shaft is to

Reduce vibrations caused by the crankshaft rotation
Adjusts the timing of the intake and exhaust valve openings
Increase inertia force of the rotating crankshaft
Balance the timing in the movement of the two groups of pistons

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

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