Materials and Construction Hardening of steel is not possible unless it is heated __________ critical point. Above the highest Between the second & third Between the first & second Above the lowest Above the highest Between the second & third Between the first & second Above the lowest ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction 'Semi steel' is Both A & B Neither A nor B Stronger than cast iron Produced by adding 10-20% steel to the cupola charge Both A & B Neither A nor B Stronger than cast iron Produced by adding 10-20% steel to the cupola charge ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Slow plastic deformation of metals under a constant stress is termed as __________ failure. Endurance Creep None of these Fatigue Endurance Creep None of these Fatigue ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction H₂SO₄ (< 50% concentration) is corrosive to Copper, cast iron & high silicon iron (14% Si) Aluminium, mild steel, stainless steel, concrete & tin Glass, graphite, porcelain & stoneware Rubber (butyl and hard), silicone rubber & teflon Copper, cast iron & high silicon iron (14% Si) Aluminium, mild steel, stainless steel, concrete & tin Glass, graphite, porcelain & stoneware Rubber (butyl and hard), silicone rubber & teflon ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Material of construction of pipe generally used for conveying water in India is Wrought iron Lead lined steel Cast iron Stainless steel Wrought iron Lead lined steel Cast iron Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Pure nickel is Ferromagnetic above its curie point (i.e., 415°C) Not resistant to oxidation at high temperature Having h.c.p. crystal lattice Ferromagnetic at room temperature Ferromagnetic above its curie point (i.e., 415°C) Not resistant to oxidation at high temperature Having h.c.p. crystal lattice Ferromagnetic at room temperature ANSWER DOWNLOAD EXAMIANS APP
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