Materials and Construction High speed steel tools retain their hardness upto a temperature of __________ °C. 750 900 1100 500 750 900 1100 500 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Lead Can not be scratched by finger nails Is the hardest metal in common use Is the lightest metal in common use Can not be work hardened Can not be scratched by finger nails Is the hardest metal in common use Is the lightest metal in common use Can not be work hardened ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Carbon percentage is the same in cast iron and Pig iron Mild steel High silicon (14%) iron Wrought iron Pig iron Mild steel High silicon (14%) iron Wrought iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following materials may prove unsuitable for handling acetic acid (glacial & anhydrous) at 40°C? Silicone rubber, teflon, procelain and wood Nickel, monel, stainless steel and graphite Brass, cast iron, mild steel and tin Aluminium, copper, high silicon iron Silicone rubber, teflon, procelain and wood Nickel, monel, stainless steel and graphite Brass, cast iron, mild steel and tin Aluminium, copper, high silicon iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Glass lined vessels are not used for handling/storing Dilute HCl Hydroflouric acid Dilute HNO₃ Dilute H₂SO₄ Dilute HCl Hydroflouric acid Dilute HNO₃ Dilute H₂SO₄ ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A bearing metal should not have Low co-efficient of friction Low thermal conductivity High toughness Enough plasticity Low co-efficient of friction Low thermal conductivity High toughness Enough plasticity ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS