04. (a) Explain briefly what you understand by Corrosion penetration rate and how it is measured The rate of oxidation a

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04. (a) Explain briefly what you understand by Corrosion penetration rate and how it is measured The rate of oxidation a

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04 A Explain Briefly What You Understand By Corrosion Penetration Rate And How It Is Measured The Rate Of Oxidation A 1
04 A Explain Briefly What You Understand By Corrosion Penetration Rate And How It Is Measured The Rate Of Oxidation A 1 (32.03 KiB) Viewed 46 times
04. (a) Explain briefly what you understand by Corrosion penetration rate and how it is measured The rate of oxidation and how it is measured (6 marks) (6 marks) (b) Explain the following deterioration mechanism of polymetric materials; 17 marles (i) Thermal degradation 17 marks) (1) Weathering (c) In respect to corrosion, explain the consequences of; (4 marks (i) Riveting a steel plate with copper rivets (ii) Connecting buried steel pipework to zinc plates (4 marks (d) One-half of an electrochemical cell consists of a pure nickel electrode in a solution of Nid'ions, other half is a cadmium electrode immersed in a Cda solution. If the cell is a standard one, (6 marks (1) Write the spontaneous overall reaction (6 mark (ii) Calculate the voltage that is generated
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