Engineering Materials Taps dies and drills contain carbon Above 1% Below 0.5% Below 1% Above 2.2% Above 1% Below 0.5% Below 1% Above 2.2% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Manganese is added in low carbon steel to Make the steel ductile and of good bending qualities Make the steel tougher and harder All of these Raise the yield point Make the steel ductile and of good bending qualities Make the steel tougher and harder All of these Raise the yield point ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cobalt in steel Refines grain size and produces less tendency to carburisation, improve corrosion and heat resistant proper ties Improves wear resistance, cutting ability and toughness Improves cutting ability and reduce hardenability Gives ductility, toughness, tensile strength and anti corrosion property Refines grain size and produces less tendency to carburisation, improve corrosion and heat resistant proper ties Improves wear resistance, cutting ability and toughness Improves cutting ability and reduce hardenability Gives ductility, toughness, tensile strength and anti corrosion property ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In mottled cast iron, carbon is available in Partly in free and partly in combined state Combined form Nodular form Free form Partly in free and partly in combined state Combined form Nodular form Free form ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Iron-carbon alloys containing carbon ________ 4.3% are known as hyper-eutectic cast irons. None of these More than Equal to Less than None of these More than Equal to Less than ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials If a refractory contains high content of silicon, it means refractory is Acidic Neutral Basic Brittle Acidic Neutral Basic Brittle ANSWER DOWNLOAD EXAMIANS APP