Q.

One micron is equal to-

A. 1/10th of mm
B. 1/100th of mm
C. 1/1000th of mm
D. 1/10000th of mm
Answer» C. 1/1000th of mm
Explanation: In the U.S. the thickness of paint is expressed in mils (one mil equals 1/1000 of inch). The rest of the world expresses coating thickness in microns (1 micron = 1 millionth of a meter and 25.4 microns = .001” inch or 1 mil).
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