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

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

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Automobile Engineering in ME
The composition of the electrolyte in a fully charged battery is that

The electrolyte is pure distilled water
The electrolyte is a mixture of 90% distilled water and 10% sulphuric acid by weight
The electrolyte is pure sulphuric acid
The electrolyte is a mixture of 64% distilled water and 36% sulphuric acid by weight

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