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Piston rings are usually made of which material?

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in Automotive Engine Design by (137k points)
Piston rings are usually made of which material?

(a) Cast iron

(b) Nichrome

(c) Tungsten

(d) Silver

I had been asked this question by my school principal while I was bunking the class.

My doubt stems from IC Engine in portion Design of IC Engine Components of Automotive Engine Design

1 Answer

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Correct choice is (a) Cast iron

The best I can explain: Piston rings are usually made of grey cast iron or in some cases alloy cast iron since it has excellent wear resistant property.

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