Materials and Construction Mild steel is Highly resistant to corrosion (as much as stainless steel) A low carbon steel (0.05 to 0.3% carbon) A high carbon steel (0.5 to 1.5% carbon) Very poor in strength & ductility Highly resistant to corrosion (as much as stainless steel) A low carbon steel (0.05 to 0.3% carbon) A high carbon steel (0.5 to 1.5% carbon) Very poor in strength & ductility ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction An alloy used as thermocouple material comprises of 40% nickel and 60% copper. Kanthal Chromel German silver Constantan Kanthal Chromel German silver Constantan ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which one occupies the lowermost position in the electromotive series of metals? Zinc Aluminium Alkali metals (K, Na, Li) Noble metals (Ag, Pt, Au) Zinc Aluminium Alkali metals (K, Na, Li) Noble metals (Ag, Pt, Au) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of 0.3 to 0.5% arsenic in copper increases its Electrical conductivity Tenacity & hardness Ductility Malleability Electrical conductivity Tenacity & hardness Ductility Malleability ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Carbon percentage is the same in cast iron and Pig iron High silicon (14%) iron Wrought iron Mild steel Pig iron High silicon (14%) iron Wrought iron Mild steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Tin coating is not done by Spraying Vaporising Hot dipping Electro deposition Spraying Vaporising Hot dipping Electro deposition ANSWER DOWNLOAD EXAMIANS APP
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