Materials and Construction Which metal is protected by the layer of its own oxide? Calcium Aluminium Iron Silver Calcium Aluminium Iron Silver ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The impure iron (pig iron) that is tapped out from blast furnace contains about __________ percent carbon. 2 4 8 0.2 2 4 8 0.2 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Steel will respond to hardening by heat treatment processes, only when the minimum carbon content in it is __________ percent. 0.02 0.2 0.35 0.5 0.02 0.2 0.35 0.5 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Hastelloy C is a good material of construction in chemical process industry, since it is Relatively inexpensive although it can be fabricated with some difficulty Light and resists attack by acids Highly corrosion resistant and is readily fabricated Corrosion resistant to most alkalis, particularly because of its coper content Relatively inexpensive although it can be fabricated with some difficulty Light and resists attack by acids Highly corrosion resistant and is readily fabricated Corrosion resistant to most alkalis, particularly because of its coper content ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Galvanised iron is Alumina coated iron Protected from rusting Harder None of these Alumina coated iron Protected from rusting Harder None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The preferred material of construction for storage tanks for 98% sulphuric acid is Stainless steel 316 Lead Mild steel Aluminium Stainless steel 316 Lead Mild steel Aluminium ANSWER DOWNLOAD EXAMIANS APP
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