Engineering Materials Quenching is not necessary when hardening is done by Case hardening Nitriding Any one of these Flame hardening Case hardening Nitriding Any one of these Flame hardening ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Chromium when added to steel _________ the tensile strength. Does not effect Increases None of these Decreases Does not effect Increases None of these Decreases ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The ultimate tensile strength and yield strength of most of the metals, when temperature falls from 0 to 100°C will Decrease Increase First increase and then decrease Remain same Decrease Increase First increase and then decrease Remain same ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Iron-carbon alloys containing carbon ________ 4.3% are known as hyper-eutectic cast irons. Less than None of these Equal to More than Less than None of these Equal to More than ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cyaniding is the process of Obtaining cyanide salts Dipping steel in cyanide bath Reacting steel surface with cyanide salts Adding carbon and nitrogen by heat treatment of steel to increase its surface hardness Obtaining cyanide salts Dipping steel in cyanide bath Reacting steel surface with cyanide salts Adding carbon and nitrogen by heat treatment of steel to increase its surface hardness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Addition of silicon to aluminium results in One of the best known age and precipitation hardening systems Improvement of casting characteristics Improvement of corrosion resistance Improving machinability One of the best known age and precipitation hardening systems Improvement of casting characteristics Improvement of corrosion resistance Improving machinability ANSWER DOWNLOAD EXAMIANS APP
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