Answer :
Final answer:
Stress Corrosion Cracking (SCC) commonly occurs below about 150º F, which is influenced by the material of the component and its operating environment. Lower temperatures provide more ideal conditions for SCC to occur. So, the correct answer is 'A. 150º'.
Explanation:
The question relates to Stress Corrosion Cracking (SCC), which is an engineering topic.
SCC generally occurs below about 150º F.
Although the material of the component and the environment in which it operates significantly influence stress corrosion cracking, it is more probable at lower temperatures.
For example, processes like the culturing of yogurt at room temperature or the contamination of plates left in a 35°C incubator, mothers more resemblance to the conditions where SCC could occur, rather than in a desert salt pond with a daytime temperature of 34°C.
Hence the answer is A. 150º F.
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