In some small engines, the cylinder walls are plated with __________ to reduce wall wear and increase the service life.(a) grey cast iron(b) steel sleeves(c) chromium(d) nickelI had been asked this question in examination.My doubt is from Cylinder Block topic in chapter Engine Construction & Wheel Assembly of Automobile Engineering

In some small engines, the cylinder walls are plated with __________ t

1.	In some small engines, the cylinder walls are plated with __________ to reduce wall wear and increase the service life.(a) grey cast iron(b) steel sleeves(c) chromium(d) nickelI had been asked this question in examination.My doubt is from Cylinder Block topic in chapter Engine Construction & Wheel Assembly of Automobile Engineering
Answer» Correct OPTION is (c) chromium The explanation is: Chromium a very HARD METAL with high coefficient of THERMAL expansion so USED to reduce wall wear and to promote service life.

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