Engineering Materials Preheating is essential in welding All nonferrous materials All of these Cast iron High speed steel All nonferrous materials All of these Cast iron High speed steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials According to Indian standard specifications, plain carbon steel designated by 40 C8 means that the carbon content is 0.0004 0.6 to 0.8% 0.4 to 0.6% 0.35 to 0.45% 0.0004 0.6 to 0.8% 0.4 to 0.6% 0.35 to 0.45% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The ability of a material to absorb energy in the plastic range is called Toughness Fatigue strength Creep Resilience Toughness Fatigue strength Creep Resilience ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Nodular iron has All of these High machinability High tensile strength Low melting point All of these High machinability High tensile strength Low melting point ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Steel contains Alloying elements like chromium, tungsten nickel and copper 80% or more iron Elements like phosphorus, sulphur and silicon in varying quantities 50% or more iron Alloying elements like chromium, tungsten nickel and copper 80% or more iron Elements like phosphorus, sulphur and silicon in varying quantities 50% or more iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cobalt in steel Improves wear resistance, cutting ability and toughness Refines grain size and produces less tendency to carburisation, improve corrosion and heat resistant proper ties Improves cutting ability and reduce hardenability Gives ductility, toughness, tensile strength and anti corrosion property Improves wear resistance, cutting ability and toughness Refines grain size and produces less tendency to carburisation, improve corrosion and heat resistant proper ties Improves cutting ability and reduce hardenability Gives ductility, toughness, tensile strength and anti corrosion property ANSWER DOWNLOAD EXAMIANS APP
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