Chemical Engineering Basics Silicon crystal can be converted to p-type semi-conductor by doping with Boron Nitrogen Carbon Phosphorous Boron Nitrogen Carbon Phosphorous ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following contributes maximum as main source of sulphur in the blast furnace charge ? Coke Sinter Limestone Iron ore Coke Sinter Limestone Iron ore ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Eutectoid reaction for iron-carbon system occurs at a temperature of __________ °C. 1493 1147 959 597 1493 1147 959 597 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Cold chiesel & hammers are made of Mild steel High speed steel Forged steel High carbon steel Mild steel High speed steel Forged steel High carbon steel ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Thermal efficiency of an internal combustion engine is around __________ percent. 80 35 8 65 80 35 8 65 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Protection of ship hulls against sea water corrosion is done by coating with zinc because of the fact that zinc compared to iron is Oxidised preferentially Cheaper Reduced preferentially Lighter Oxidised preferentially Cheaper Reduced preferentially Lighter ANSWER DOWNLOAD EXAMIANS APP