Engineering Materials Chromium when added to steel _________ the tensile strength. Decreases None of these Increases Does not effect Decreases None of these Increases Does not effect ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloying element which increases residual magnetism and coercive magnetic force in steel for magnets is Chromium Cobalt Vanadium Nickel Chromium Cobalt Vanadium Nickel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Admiralty brass used for steam condenser tubes contains copper and zinc in the following ratio 40 : 60 2.1180555555556 30 : 70 2.9375 40 : 60 2.1180555555556 30 : 70 2.9375 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Admiralty gun metal contains Iron scrap and zinc Alloy of tin, lead and cadmium 88% copper, 10% tin and rest zinc 63 to 67% nickel and 30% copper Iron scrap and zinc Alloy of tin, lead and cadmium 88% copper, 10% tin and rest zinc 63 to 67% nickel and 30% copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about properties of aluminium? Wear resistance is very good Modulus of elasticity is fairly low Creep strength limits its use to fairly low temperatures Fatigue strength is not high Wear resistance is very good Modulus of elasticity is fairly low Creep strength limits its use to fairly low temperatures Fatigue strength is not high ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials If a refractory contains high content of silicon, it means refractory is Neutral Acidic Basic Brittle Neutral Acidic Basic Brittle ANSWER DOWNLOAD EXAMIANS APP