Q1217
Sacrificial anode method is used in the protection of pipelines which are buried underground. Sacrificial anode
A.
Occurs higher in the electro-chemical series of metals
B.
Is exemplified by magnesium plate
C.
Is much cheaper than the cathodic base material to be guarded against corrosion
D.
All of the above
AnswerAnswer: Option D
Solution
Answer: Option D
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