Materials and Construction The electrical conductivity of a __________ decreases with rise in temperature. None of these Semi-conductor Dielectric Metal/alloy None of these Semi-conductor Dielectric Metal/alloy ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following alloying elements is present in maximum percentage in high speed steel. Molybdenum Tungsten Vanadium Chromium Molybdenum Tungsten Vanadium Chromium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Heavy duty bearings are usually made of Zinc Phosphorous bronze Monel White metal Zinc Phosphorous bronze Monel White metal ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ iron is produced, when molten pig iron is chilled suddenly. None of these Grey cast Wrought White cast None of these Grey cast Wrought White cast ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The damage/deterioration of metals by the __________ action of fluids is called 'erosion'. Both A & B Neither A nor B Corrosive Abrasive Both A & B Neither A nor B Corrosive Abrasive ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Glass lined vessels are not used for handling/storing Hydroflouric acid Dilute H₂SO₄ Dilute HCl Dilute HNO₃ Hydroflouric acid Dilute H₂SO₄ Dilute HCl Dilute HNO₃ ANSWER DOWNLOAD EXAMIANS APP