Materials and Construction Presence of even 0.005% of __________ in copper makes it highly brittle, rendering it useless for wire-drawing. Bismuth Arsenic Oxygen Antimony Bismuth Arsenic Oxygen Antimony ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction In cold working of metal as compared to its hot working Yield stress, hardness and fatigue strength is not at all affected Appreciable strain hardening is produced Ductility and impact strength improves Cracks and blow holes are eliminated Yield stress, hardness and fatigue strength is not at all affected Appreciable strain hardening is produced Ductility and impact strength improves Cracks and blow holes are eliminated ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Glass lined vessels are not used for handling Dilute HCI Dilute HNO₃ Hydroflouric acid Dilute HNO₃ Dilute HCI Dilute HNO₃ Hydroflouric acid Dilute HNO₃ ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is the lightest of engineering metals? Tin Titanium Aluminium Magnesium Tin Titanium Aluminium Magnesium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Brass tubes are used in the manufacture of tubes of evaporators used in sugar and salt industries, mainly because of its All of these High co-efficient of thermal expansion Low thermal conductivity High corrosion resistance All of these High co-efficient of thermal expansion Low thermal conductivity High corrosion resistance ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Silicon percentage in acid resistant cast iron is about 14 8 4 20 14 8 4 20 ANSWER DOWNLOAD EXAMIANS APP