Engineering Questions with Answers - Multiple Choice Questions

Chemical Industry MCQ’s – Zinc

1 - Question

Which is the third most extensively used non-ferrous metal?
a) Lead
b) Copper
c) Zinc
d) Aluminium
View Answer Answer: c
Explanation: Zinc is the third most extensively used nonferrous metal next to aluminium and copper. Zinc tends to lose its identity in the product.

2 - Question

What is electro galvanizing?
a) Copper plating
b) Zinc plating
c) Aluminium plating
d) Lead plating
View Answer Answer: b
Explanation: Electro galvanizing is the name given to zinc plating when applied continuously to steel. Copper plating is the plating copper on an item electrolytically.

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