Engineering Materials Corundum contains more than 95% SiO2 Steel Al2O3 MgO SiO2 Steel Al2O3 MgO ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The hardness of steel increases if it contains Cementite Pearlite Austenite Martensite Cementite Pearlite Austenite Martensite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Age hardening is related to Duralumin Copper Brass Silver Duralumin Copper Brass Silver ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When medium carbon steel is heated to coarsening temperature The average grain size is a minimum There is no change in grain size The grain size increases very rapidly The grain size first increases and then decreases very rapidly The average grain size is a minimum There is no change in grain size The grain size increases very rapidly The grain size first increases and then decreases very rapidly ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Wrought iron All of these Is a ductile material Cannot stand sudden and excessive shocks Can be easily forged or welded All of these Is a ductile material Cannot stand sudden and excessive shocks Can be easily forged or welded ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Iron-carbon alloys containing 1.7 to 4.3% carbon are known as Eutectic cast irons Hypereutectic cast irons Hypoeutectic cast irons None of these Eutectic cast irons Hypereutectic cast irons Hypoeutectic cast irons None of these ANSWER DOWNLOAD EXAMIANS APP
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