Automobile Engineering in ME
The main function of an exhaust muffler is the

Reduction of exhaust noise
Reduction of the exhaust gas volume
Optimization of exhaust efficiency
Reduction of nitrogen oxide in the exhaust gases

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Automobile Engineering in ME
The main feature of Macpherson strut suspension is that

Non vertical external forces are supported by the suspension arms
The vertical size of the suspension can be made more compact
The assembly is slightly more complicated in design
The unsprung mass in lighter

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

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