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 The surface hardness of the following order is achieved by nitriding operation 250 VPN 1000 to 1100 VPN 600 VPN 1500 VPN 250 VPN 1000 to 1100 VPN 600 VPN 1500 VPN ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Addition of manganese to aluminium results in Improvement of casting characteristics One of the best known age and precipitation hardening systems Improving machinability Improvement of corrosion resistance Improvement of casting characteristics One of the best known age and precipitation hardening systems Improving machinability Improvement of corrosion resistance ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials There are fourteen atoms in a unit cell of Close packed hexagonal space lattice None of these Face centered cubic space lattice Body centered cubic space lattice Close packed hexagonal space lattice None of these Face centered cubic space lattice Body centered cubic space lattice ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following when used in ordinary low carbon steels, makes the metal ductile and of good bending qualities? Manganese Phosphorus Sulphur Silicon Manganese Phosphorus Sulphur Silicon ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Acidic solution is one which has pH value Greater than 7 Equal to 7 Less than 7 pH value has nothing to do with neutral solution Greater than 7 Equal to 7 Less than 7 pH value has nothing to do with neutral solution ANSWER DOWNLOAD EXAMIANS APP
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