Automobile Engineering in ME
The lubrication oil flow in an engine is in the order as

Oil strainer, oil pump, relief valve, oil filter, cylinder head, cylinder block and oil pan
Oil pump, oil strainer, relief valve, oil filter, cylinder block, cylinder head and oil pan
Oil strainer, oil pump, relief valve, oil filter, cylinder block, cylinder head and oil pan
Oil strainer, oil filter, relief valve, oil pump, cylinder block, cylinder head and oil pan

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Automobile Engineering in ME
In radial tyres

Inner tubes are always used
All plies run parallel to one another and vertical to tyre bead
None of these
One ply layer runs diagonally one way and another layer runs diagonally the other way

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Automobile Engineering in ME
The function of positive crankcase ventilation (PCV) system is that it

Promotes combustion by creating a swirling movement in the air-fuel mixture
Feeds blow by gases to the exhaust manifold
Returns blow by gases from the crankcase to the intake system
Mixes fuel with air

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