Engineering Materials Combined carbon in iron makes the metal Soft and gives coarse grained crystalline structure Soft and gives a fine grained crystalline structure Hard and gives a coarse grained crystalline structure Hard and gives a fine grained crystalline structure Soft and gives coarse grained crystalline structure Soft and gives a fine grained crystalline structure Hard and gives a coarse grained crystalline structure Hard and gives a fine grained crystalline structure ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following pipes is least corrosion resistant? Brass Wrought iron Cast iron Mild steel Brass Wrought iron Cast iron Mild steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The toughness of a material __________ when it is heated. Decreases Increases Remain same None of these Decreases Increases Remain same None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cartridge brass can be Cold rolled into sheets Formed into tube Any one of these Drawn into wires Cold rolled into sheets Formed into tube Any one of these Drawn into wires ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The addition of which of the following improves machining of copper? Sulphur Vanadium Zinc Tin Sulphur Vanadium Zinc Tin ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Carbon steel is An alloy of iron and carbon with varying quantities of phosphorus and sulphur Made by adding carbon in steel Refined from cast iron Extensively used for making cutting tools An alloy of iron and carbon with varying quantities of phosphorus and sulphur Made by adding carbon in steel Refined from cast iron Extensively used for making cutting tools ANSWER DOWNLOAD EXAMIANS APP