Materials and Construction Dilute sulphuric acid is transported in __________ pipes. Copper Lead Special alloys Mild steel Copper Lead Special alloys Mild steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Lead is Not used as pigment (in its compound forms) for paints Used as a cathodic material Used as a shock absorber (in mattress form) between the foundation an steel framework of skyscrapper buildings Not resistant to corrosion Not used as pigment (in its compound forms) for paints Used as a cathodic material Used as a shock absorber (in mattress form) between the foundation an steel framework of skyscrapper buildings Not resistant to corrosion ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The purpose of nitriding the steel is to Harden its surface None of these Improve its reliability Soften its surface Harden its surface None of these Improve its reliability Soften its surface ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is the softest material? Quartz Corrundum Flourite Calcite Quartz Corrundum Flourite Calcite ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction As the impurities are oxidised, the melting point of iron Increases May increase or decrease ; unpredictable Decreases Remains unchanged Increases May increase or decrease ; unpredictable Decreases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Corrosion resistance of steel is increased by the addition of Nickel and chromium Lead and vanadium Molybdenum and tungsten Phosphorous and tungsten Nickel and chromium Lead and vanadium Molybdenum and tungsten Phosphorous and tungsten ANSWER DOWNLOAD EXAMIANS APP