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
Materials and Construction Which of the following materials may prove unsuitable for handling acetic acid (glacial & anhydrous) at 40°C? Nickel, monel, stainless steel and graphite Brass, cast iron, mild steel and tin Aluminium, copper, high silicon iron Silicone rubber, teflon, procelain and wood Nickel, monel, stainless steel and graphite Brass, cast iron, mild steel and tin Aluminium, copper, high silicon iron Silicone rubber, teflon, procelain and wood 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 Titanium metal Exists in three allotropic forms Is used in oceanographic and space exploration applications Can not be welded None of these Exists in three allotropic forms Is used in oceanographic and space exploration applications Can not be welded None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Clock pendulums are usually made of __________ steel. High speed Heat resisting Stainless None of these High speed Heat resisting Stainless None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Nitriding of steel is a process for Spheroidising Case hardening Annealing Normalising Spheroidising Case hardening Annealing Normalising ANSWER DOWNLOAD EXAMIANS APP