Question

How many times that industrial corrosion is more corrosive than rural atmospheres?

(a) 10 to 20

(b) 50 to 100

(c) 30 to 50

(d) 100 to 150

I have been asked this question by my college professor while I was bunking the class.

My doubt stems from Environments in division Other Environments of Corrosion Engineering

Answer 1

The correct answer is (b) 50 to 100

To elaborate: Industrial corrosion is 50 to 100 times more corrosive than desert areas. It is due to the presence of Sulphur burned gases such as SO2, SO3 and these results in the formation of sulfurous and sulfuric acids in the presence of moisture.