Automobile Engineering in ME
The basic purpose of providing caster angle on wheels is to

Compensate for wear in the steering linkage
Prevent uneven tyre wear
Maintain directional control
Bring the road contact of the tyre under the point of load

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

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Automobile Engineering in ME
The main function of the tread pattern on tyre is that

The tread grooves pass air between the tyre and road surface, thereby preventing tyre from overheating
In wet conditions, the tread grooves expel water that is drawn between the tyre and road surface
The tread pattern protects the tyre's inner carcass from small stones and pieces of glass
The crests between the tread grooves absorb road noise

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