Automobile Engineering in ME
The main function of a resonator is that it

Enhances intake efficiency
Reduces the intake air noise
Regulates the intake air flow rate
Regulates the intake air temperature

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Automobile Engineering in ME
The basic purpose of a four wheel drive (4WD) system is that it

Delivers improved cornering on dry road surfaces
Ensures that effective braking can be performed, even on slippery surfaces
Ensures effective transmission of engine torque to all four wheels, even on slippery road surfaces
Eliminates the need of snow tyres, tyre chains, etc.

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