Materials and Construction Invar used in thermocouples is an alloy of nickel and Copper Lead Iron Chromium Copper Lead Iron Chromium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Monel alloy is Not used in cast and wrought forms The costliest of all the alloys of nickel Used for making steam valves and turbine blades as it resists steam attack at high temperature Not suitable for making kitchen utensils Not used in cast and wrought forms The costliest of all the alloys of nickel Used for making steam valves and turbine blades as it resists steam attack at high temperature Not suitable for making kitchen utensils ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Pure nickel is Having h.c.p. crystal lattice Not resistant to oxidation at high temperature Ferromagnetic at room temperature Ferromagnetic above its curie point (i.e., 415°C) Having h.c.p. crystal lattice Not resistant to oxidation at high temperature Ferromagnetic at room temperature Ferromagnetic above its curie point (i.e., 415°C) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Ball bearings are normally made of __________ steel. Silicon High speed High carbon Chrome Silicon High speed High carbon Chrome ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Carbon percentage is the same in cast iron and Mild steel Pig iron High silicon (14%) iron Wrought iron Mild steel Pig iron High silicon (14%) iron Wrought iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction High speed steel tools retain their hardness upto a temperature of __________ °C. 500 900 1100 750 500 900 1100 750 ANSWER DOWNLOAD EXAMIANS APP