Engineering Materials Which is false statement about properties of aluminium? Fatigue strength is not high Wear resistance is very good Creep strength limits its use to fairly low temperatures Modulus of elasticity is fairly low Fatigue strength is not high Wear resistance is very good Creep strength limits its use to fairly low temperatures Modulus of elasticity is fairly low ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Tungsten in steel Improves cutting ability and reduces hardenability Gives ductility, toughness, tensile strength and anti-corrosion properties Improves wear resistance, cutting ability and toughness Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Improves cutting ability and reduces hardenability Gives ductility, toughness, tensile strength and anti-corrosion properties Improves wear resistance, cutting ability and toughness Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Ductility of a material can be defined as All of these Ability to undergo large permanent deformations in compression Ability to undergo large permanent deformations in tension Ability to recover its original form All of these Ability to undergo large permanent deformations in compression Ability to undergo large permanent deformations in tension Ability to recover its original form ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The hardness of steel increases if it contains Austenite Martensite Cementite Pearlite Austenite Martensite Cementite Pearlite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The following element can't impart high strength at elevated temperature Silicon Nickel Manganese Magnesium Silicon Nickel Manganese Magnesium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The lower critical point for all steels is 913°C 700°C 723°C 600°C 913°C 700°C 723°C 600°C ANSWER DOWNLOAD EXAMIANS APP
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