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Which among the following is not a requirement of a spark plug?

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in Automotive Engine Design by (137k points)
Which among the following is not a requirement of a spark plug?

(a) Very high resistance to current leakage

(b) Contacts must close without bounce

(c) Resistance to corrosion

(d) Gas tightness

I had been asked this question during a job interview.

The query is from Conventional Ignition System in section Conventional Ignition System of Automotive Engine Design

1 Answer

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The correct option is (b) Contacts must close without bounce

Easy explanation: The essential requirements of a good spark plug is to provide very high resistance to current leakage,gas tightness, resistance to corrosion, electrode temperature should be maintained between certain limits.

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