Materials and Construction Hot working of lead is carried out at 75° C Room temperature 150° C 373° K 75° C Room temperature 150° C 373° K ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of even 0.005% of __________ in copper makes it highly brittle, rendering it useless for wire-drawing. Oxygen Antimony Bismuth Arsenic Oxygen Antimony Bismuth Arsenic ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Carbon percentage is the same in cast iron and Pig iron Mild steel Wrought iron High silicon (14%) iron Pig iron Mild steel Wrought iron High silicon (14%) iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The main constituent of carborundum is __________ carbide. Silicon Calcium Boron Aluminium Silicon Calcium Boron Aluminium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction With increase in carbide/graphite ratio in cast iron, its Hardness & brittleness increases Both A & B Neither A nor B Ductility decreases Hardness & brittleness increases Both A & B Neither A nor B Ductility decreases ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following will have the highest melting point? Wrought iron High carbon steel Mild steel Pig iron Wrought iron High carbon steel Mild steel Pig iron ANSWER DOWNLOAD EXAMIANS APP