Engineering Materials Bronze is an alloy of Copper and zinc Copper, tin and zinc Copper and tin None of these Copper and zinc Copper, tin and zinc Copper and tin None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Chromium in steel Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Gives ductility, toughness, tensile strength and anti-corrosion properties Improves wear resistance, cutting ability and toughness Improves cutting ability and reduces hardenability Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Gives ductility, toughness, tensile strength and anti-corrosion properties Improves wear resistance, cutting ability and toughness Improves cutting ability and reduces hardenability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In which of the following cases, consideration of creep is important Gas turbine blades Flywheel of steam engine Cast iron pipes Cycle chains Gas turbine blades Flywheel of steam engine Cast iron pipes Cycle chains ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about normalizing? Normalizing is done to Improve mechanical properties Reduce segregation in casting Induce stresses Refine grain structure Improve mechanical properties Reduce segregation in casting Induce stresses Refine grain structure ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Machining properties of steel are improved by adding Sulphur, lead, phosphorous Chromium, nickel Silicon, aluminium, titanium Vanadium, aluminium Sulphur, lead, phosphorous Chromium, nickel Silicon, aluminium, titanium Vanadium, aluminium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In full annealing, the hypo eutectoid steel is heated from 30°C to 50°C above the upper critical temperature and then cooled In still air Suddenly in a suitable cooling medium Any one of these Slowly in the furnace In still air Suddenly in a suitable cooling medium Any one of these Slowly in the furnace ANSWER DOWNLOAD EXAMIANS APP
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