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Which is the material used to wound on a wire wound piston?

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in Automotive Engine Design by (137k points)
Which is the material used to wound on a wire wound piston?

(a) Steel

(b) Lead

(c) Zinc

(d) Magnesium

This question was addressed to me in semester exam.

This question is from Engine Components in section Basic Engine Components of Automotive Engine Design

1 Answer

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Best answer
Right choice is (a) Steel

To explain: In a wire wound piston a band of steel wire under initial tension is put between the piston pin and the oil control ring, thus restricting the expansion of the skirt which is of slip type or cam ground type. The main reason to wire-wound is to avoid piston slap.

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