Engineering Materials The percentage of carbon in grey iron castings usually varies between 5 to 7% 0.012 0.5 to 1% 2.5 to 4.5% 5 to 7% 0.012 0.5 to 1% 2.5 to 4.5% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Steel containing ferrite and pearlite is Hard and tough Hard Tough Soft Hard and tough Hard Tough Soft ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In which of the following cases, consideration of creep is important Cast iron pipes Cycle chains Flywheel of steam engine Gas turbine blades Cast iron pipes Cycle chains Flywheel of steam engine Gas turbine blades ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Age-hardening is related with Duralumin Gun metal Stainless steel German silver Duralumin Gun metal Stainless steel German silver 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 Gives ductility, toughness, tensile strength and anti corrosion property Improves wear resistance, cutting ability and toughness Improves cutting ability and reduce hardenability Refines grain size and produces less tendency to carburisation, improve corrosion and heat resistant proper ties Gives ductility, toughness, tensile strength and anti corrosion property Improves wear resistance, cutting ability and toughness Improves cutting ability and reduce hardenability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about properties of aluminium? 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 Wear resistance is very good Modulus of elasticity is fairly low ANSWER DOWNLOAD EXAMIANS APP
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