Question

Which among the following is not a requirement of a good contact breaker?

(a) Must open and close at the correct time

(b) Contacts must close without bounce

(c) Minimum corrosion

(d) Contacts should open with fling

I have been asked this question during an internship interview.

This interesting question is from Types of Ignition System in chapter Conventional Ignition System of Automotive Engine Design

Answer 1

Right option is (d) Contacts should open with fling

Easy explanation: The essential requirements of a good contact breaker are the contact must open and close at the correct time, the contacts must close without bounce, the corrosion of the points should be minimum. Whereas the contacts must open without fling.