Automobile Engineering in ME
The cam shaft in an engine is always mounted

Parallel to the crankshaft
None of these
Inclined to the crankshaft
Perpendicular to the crankshaft

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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
Eliminates the need of snow tyres, tyre chains, etc.
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

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