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Which of the following is the formula to calculate the minimum testing time for a corrosion test?

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+1 vote
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in Corrosion Engineering by (98.5k points)
Which of the following is the formula to calculate the minimum testing time for a corrosion test?

(a) 2000/milli meters per year

(b) 2000/mils per year

(c) 1000/millimeters per year

(d) 1000/mils per year

This question was posed to me in a national level competition.

The origin of the question is Testing in chapter Corrosion Testing of Corrosion Engineering

1 Answer

+1 vote
by (888k points)
Correct answer is (b) 2000/mils per year

The best I can explain: A rough rule for checking results concerning minimum test time is 2000/mils per year. Here mils are also known as milli inches i.e. 1/1000th of an inch.

 2000/mils per year = hours (duration of the test)

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