Motor Mechanic Trade Test Practice Questions - South Africa Artisan Trade Test - Motor Mechanic (Petrol) Exam

Compression ratio of a petrol engine is best defined as the ratio of the cylinder volume when the piston is at:

BDC to the volume at TDC TDC to the volume at BDC Mid-stroke to the volume at TDC BDC to the swept volume only

Correct Answer:

BDC to the volume at TDC

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