Which of the following materials exhibits poor corrosion resistance t – McqOptions

MCQOPTIONS

1.	Which of the following materials exhibits poor corrosion resistance to phosphoric acid?
A.	Aluminum and brass
B.	Aluminum, brass, steel, cast iron, ferritic and martensitic stainless steels
C.	Steel and cast iron
D.	Ferritic and martensitic stainless steels
Answer» C. Steel and cast iron

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