Q.Assertion (A) : For industrial machines, Nickel plated needles are considered better than chromium plated needles. Reason (R) : Nickel plated needles resist the adherence of melted synthetic residues better than chromium plated needles. Codes :
Correct answer: Both (A) and (R) are incorrect.
Explanation
Nickel plating is least expensive and least durable for plating. Chromium plating lasts longer so, chromimum plated needles are considered better. Chromium plating gives better abrasion resistance than nickel plating.
Nickel plating is least expensive and least durable for plating. Chromium plating lasts longer so, chromimum plated needles are considered better. Chromium plating gives better abrasion resistance than nickel plating.