Materials and Construction H₂SO₄ (< 50% concentration) is corrosive to Rubber (butyl and hard), silicone rubber & teflon Glass, graphite, porcelain & stoneware Copper, cast iron & high silicon iron (14% Si) Aluminium, mild steel, stainless steel, concrete & tin Rubber (butyl and hard), silicone rubber & teflon Glass, graphite, porcelain & stoneware Copper, cast iron & high silicon iron (14% Si) Aluminium, mild steel, stainless steel, concrete & tin ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of 0.3 to 0.5% arsenic in copper increases its Electrical conductivity Ductility Malleability Tenacity & hardness Electrical conductivity Ductility Malleability Tenacity & hardness ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Visco-elastic behaviour of materials which is time dependent is common in Non-crystalline organic polymer Plastics Crystalline solid Non-crystalline solids Non-crystalline organic polymer Plastics Crystalline solid Non-crystalline solids ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Cast iron is having very high Ductility Tensile strength Proximity between its elastic limit and ultimate breaking strength All of these Ductility Tensile strength Proximity between its elastic limit and ultimate breaking strength All of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Wood is corroded by Hydrochloric acid All of these Chlorine (dry or wet) SO₂ (dry or wet) Hydrochloric acid All of these Chlorine (dry or wet) SO₂ (dry or wet) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ does not contain copper as an alloying element, Monel metal Manganin Perminivar Nichrome Monel metal Manganin Perminivar Nichrome ANSWER DOWNLOAD EXAMIANS APP
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