The function of oil scraper rings is to Automobile Engineering Mcqs May 15, 2019 BILAL KHATTAK0 A.Retain compression B.Lubricate cylinder walls C.Maintain vacuum D.Reduce vacuum E.Reduce piston wear Related Mcqs: Oil rings are slotted to The need for installing new piston rings is determined by checking The function of a piston rins in an internal combustion engine is Oil rings on the piston are located: Apart from reducing friction and cooling the surfaces, the function of lubricant in I.C. engines is The function of a governor is In an automobile engine the temperature of the piston will be more at Piston ring are plated with chromium, cadmium or phosphate to The connecting rod of an engine connects the crankshaft with: The 3 R principle in waste management involves _______________.