Materials and Construction How many molecules per unit cell are there in a face centred cubic lettice? 8 4 6 2 8 4 6 2 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Glass lined vessels are not used for handling/storing Dilute HNO₃ Hydroflouric acid Dilute H₂SO₄ Dilute HCl Dilute HNO₃ Hydroflouric acid Dilute H₂SO₄ Dilute HCl ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A bearing metal should not have Enough plasticity Low co-efficient of friction Low thermal conductivity High toughness Enough plasticity Low co-efficient of friction Low thermal conductivity High toughness ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The presence of impurities in iron Increases its melting point Does not affect its melting point Makes it malleable Decreases its melting point Increases its melting point Does not affect its melting point Makes it malleable Decreases its melting point ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Non-ferrous metals and hard steels do not exhibit a definite yield point, when pulled in the testing machine and hence for these cases, a better measure of their elastic properties is defined by the __________ stress. Ultimate None of these Proof Yield point Ultimate None of these Proof Yield point ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Corrosion resistance of steel is increased by the addition of Molybdenum and tungsten Lead and vanadium Phosphorous and tungsten Nickel and chromium Molybdenum and tungsten Lead and vanadium Phosphorous and tungsten Nickel and chromium ANSWER DOWNLOAD EXAMIANS APP