Automobile Engineering in ME
The function of a first compression ring (top ring) is that it

Maintains a seal and prevents escape of burned gases and loss of pressure in the combustion chamber
Maintains a seal and prevents the fuel leakage
Creates swirl
Increases the combustion temperature

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

One drive shaft is splined to the central gear and the other to the planetary gear.
The six planetary pinions rotate in constant mesh with the internal gears.
Each planetary pinion gear meshes with both the central gear and the internal gear.
The internal gear is fixed to the planetary gear.

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