Automobile Engineering in ME
In a hydraulic power steering system, the power steering pump is driven by a

Chain driven by crankshaft
Belt driven by crankshaft
Belt driven by camshaft
Belt driven by drive-shaft

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

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

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