Engineering Materials Super conduction by metals is observed in the temperature range of Around 0°C Below 10°K Above 100°K Around 100°C Around 0°C Below 10°K Above 100°K Around 100°C 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 Gives ductility, toughness, tensile strength and anti corrosion property Improves cutting ability and reduce hardenability Refines grain size and produces less tendency to carburisation, improve corrosion and heat resistant proper ties Improves wear resistance, cutting ability and toughness Gives ductility, toughness, tensile strength and anti corrosion property Improves cutting ability and reduce hardenability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cementite consist of 13% ferrite and 87% cementite 13% cementite and 87% ferrite 13% carbon and 87% ferrite 6.67% carbon and 93.33% iron 13% ferrite and 87% cementite 13% cementite and 87% ferrite 13% carbon and 87% ferrite 6.67% carbon and 93.33% iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When filing or machining cast iron makes our hands black, then it shows that ________ is present in cast iron. Both A and B None of these Cementite Free graphite Both A and B None of these Cementite Free graphite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Neutral solution is one which has pH value Equal to 7 Greater than 7 Less than 7 pH value has nothing to do with neutral solution Equal to 7 Greater than 7 Less than 7 pH value has nothing to do with neutral solution ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The surface hardness of the following order is achieved by nitriding operation 600 VPN 1500 VPN 250 VPN 1000 to 1100 VPN 600 VPN 1500 VPN 250 VPN 1000 to 1100 VPN ANSWER DOWNLOAD EXAMIANS APP
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