Materials and Construction A measure of toughness of a material is its Area under stress-strain diagram Ultimate strength Percentage elongation Yield strength Area under stress-strain diagram Ultimate strength Percentage elongation Yield strength ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Nickel (56%) and molybdenum (17%) alloys are called Inconel Monel Bronzes Hastealloy C Inconel Monel Bronzes Hastealloy C ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction For platinum thermocouples, lead wires are made of Copper & iron Copper & copper-nickel alloys Iron & nickel Tin & nickel Copper & iron Copper & copper-nickel alloys Iron & nickel Tin & nickel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The metals occuring at the lower most position in the electromotive series Do not resist corrosion Are very brittle Are heat insulators Resist corrosion very strongly Do not resist corrosion Are very brittle Are heat insulators Resist corrosion very strongly ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Acid proof stoneware All of these Is broken by small temperature changes Cannot be heated Has very low strength All of these Is broken by small temperature changes Cannot be heated Has very low strength 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 Ferromagnetic at room temperature Having h.c.p. crystal lattice Ferromagnetic above its curie point (i.e., 415°C) Not resistant to oxidation at high temperature Ferromagnetic at room temperature Having h.c.p. crystal lattice ANSWER DOWNLOAD EXAMIANS APP
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