a) A thick steel plate of total area 840 cm2 (both sides) is exposed to air...

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Civil Engineering

a) A thick steel plate of total area 840 cm² (bothsides) is exposed to air near the ocean. After 1 year it was foundto have lost 502 g in weight due to corrosion. What is the ratecorrosion, or corrosion penetration rate CPR, for the material inthis environment? Density of steel = 7.9g/cm3 [8 marks]
b) What type of corrosion is this? [2marks]
c) Provide two strategies (there are more than two of course,but just choose two) for dealing with this type of corrosion[2 marks]
d Briefly summarise the pros and cons of each strategy as theymight apply to a children’s playground at a seaside beach front[8 marks].

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3.6 Ratings (594 Votes)

Ans a We knowCPR K W A twhere K Constant 876W Weight lost in mg 502 gm or 502000 mg Density 79 gmA Area 840 t time 1 year or 24 x 365 8760 hrPutting values CPR 876 x 502000 79 x 840 See Answer

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