Automobile Engineering in ME
An engine has a clearance volume of 100 cm³ and a swept volume of 800 cm³. The compression ratio is

0.33402777777778
0.29236111111111
0.41736111111111
0.37569444444444

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Automobile Engineering in ME
The purpose of a balancer shaft is to

Adjusts the timing of the intake and exhaust valve openings
Balance the timing in the movement of the two groups of pistons
Reduce vibrations caused by the crankshaft rotation
Increase inertia force of the rotating crankshaft

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Automobile Engineering in ME
In bias ply tyres

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

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