Coating thickness in case of galvanising of steel sheet generally corresponds to the deposition of _______________ gms of zinc per m2 of steel strip ?
Correct answer: C. 120-500
- A. 5-10
- B. 1000-1500
- C. 120-500
- D. 1500-3000
Explanation
Galvanized steel commonly carries about 120 to 500 g of zinc per square metre, depending on the required coating grade. The much larger ranges would represent unusually heavy coatings rather than general galvanizing.
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