Automobile Engineering in ME
In a ventilated disc brake

Caliper is covered with cooling fins
Disc contains many small holes for optimum cooling performance
A duct directs air towards the caliper for cooling while the vehicle is moving
Disc contains radial vanes between its rubbing surfaces for optimum cooling performance

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Automobile Engineering in ME
In bias ply tyres

All of these
One ply layer runs diagonally one way and another layer runs diagonally the other way
Belts of steel mesh are used in the tyres
All plies run parallel to one another

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Automobile Engineering in ME
Which one of the following statement correctly describes the construction of a bevel gear type differential?

The drive shafts are splined to the differential carrier.
The differential carrier houses differential pinion gears and side gears.
The left side gear and the differential carrier rotate in constant unison.
The differential carrier houses differential pinion gears and side gears; each pinion gear meshes with a different side gear.

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