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Q. |
Which grade of stainless steel is known as acid proof steel? |
A. | aisi 304 |
B. | aisi 316 |
C. | sis 2333 |
D. | sis 2359 |
Answer» B. aisi 316 | |
Explanation: for hygienic reasons, all product-wetted parts of dairy equipment are made of stainless steel. two main grades are used, aisi 304 and aisi 316. the latter grade is often called acid proof steel. |
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