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At normal temperatures, the material K Monel is __________(a) magnetic(b) active(c) non-magnetic(d) corrosion proneThe question was posed to me in a job interview.This intriguing question comes from Properties of Nickel-2 topic in chapter Nickel Alloys of Aerospace Materials & Processes

Answer»

The CORRECT answer is (c) non-MAGNETIC

Easiest EXPLANATION: The non-ferrous alloy K Monel is non-magnetic in NATURE at normal temperatures. The magnetic permeability of K Monel is 1. It is the same as that of air. This is helpful when the metal has to be located near a compass.



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