Engineering Materials Chromium when added to steel _________ the tensile strength. Does not effect Increases Decreases None of these Does not effect Increases Decreases None of these 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 Carbon steel is Extensively used for making cutting tools An alloy of iron and carbon with varying quantities of phosphorus and sulphur Made by adding carbon in steel Refined from cast iron Extensively used for making cutting tools An alloy of iron and carbon with varying quantities of phosphorus and sulphur Made by adding carbon in steel Refined from cast iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Drop forging dies contain carbon of the order of 0.25 to 0.5% 0.6 to 0.7% 0.1 to 0.2% 0.7 to 0.9% 0.25 to 0.5% 0.6 to 0.7% 0.1 to 0.2% 0.7 to 0.9% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following metal is used for nuclear energy? Uranium All of these Niobium Thorium Uranium All of these Niobium Thorium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Thermoplastic materials are those materials which Are flexible and can withstand considerable wear under suitable conditions Do not become hard with the application of heat and pressure and no chemical change occurs Are used as a friction lining for clutches and brakes Are formed into shape under heat and pressure and results in a permanently hard product Are flexible and can withstand considerable wear under suitable conditions Do not become hard with the application of heat and pressure and no chemical change occurs Are used as a friction lining for clutches and brakes Are formed into shape under heat and pressure and results in a permanently hard product ANSWER DOWNLOAD EXAMIANS APP
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