

MCQOPTIONS
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1. |
Which of the following is/are used for ammoniacal solution applications? |
A. | Cast iron and steel |
B. | 430 and 304 type stainless steels |
C. | Cast iron, steel, 430 and 304 type stainless steels |
D. | Copper and cast irons |
Answer» D. Copper and cast irons | |