The primary purpose of ring expander is to: Agricultural Engineering Mcqs May 28, 2019 BILAL KHATTAK0 A.Make up for cylinder, wear B.Increase static ring tension C.Decrease dynamic ring tension D.Reduce ring vibration Related Mcqs: Piston ring are plated with chromium, cadmium or phosphate to The primary purpose of visbreaking process is The bottom ring on the piston is known as The top ring nearest to the piston crown is known as This purpose of supercharging an engine is The function of oil scraper rings is to The primary purpose of annealing is to “Where will you be tomorrow,” I said, “in case I have to ring you?” “Where will you be tomorrow,” I said, “in case I have to ring you ?” Molybdenum upto 1.5% is added to cast iron to