Which is the material used to wound on a wire wound piston?(a) Steel(b) Lead(c) Zinc(d) MagnesiumThis question was addressed to me in semester exam.This question is from Engine Components in section Basic Engine Components of Automotive Engine Design

Which is the material used to wound on a wire wound piston?(a) Steel(b

1.	Which is the material used to wound on a wire wound piston?(a) Steel(b) Lead(c) Zinc(d) MagnesiumThis question was addressed to me in semester exam.This question is from Engine Components in section Basic Engine Components of Automotive Engine Design
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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