Chemical Engineering Basics Alumina, silica, lime and iron oxide are the basic raw material for the manufacture of portland cement. The component of Portland cement which first hardens is 5CaO . 3 Al2O₃ 2CaO . SiO₂ 3CaO . Al2O₃ 3CaO . SiO₂ 5CaO . 3 Al2O₃ 2CaO . SiO₂ 3CaO . Al2O₃ 3CaO . SiO₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Corrosion rate can not be lowered by reducing the __________ of the corroding medium. Temperature None of these Velocity Concentration Temperature None of these Velocity Concentration ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Compression ratio of an I.C. engine is the ratio of the Volume of air in cylinder before compression to that after compression Pressure after compression to that before compression Clearance volume to the volume swept by piston per stroke None of these Volume of air in cylinder before compression to that after compression Pressure after compression to that before compression Clearance volume to the volume swept by piston per stroke None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics __________ is the most important element, which controls the physical properties of steel. Vanadium Silicon Carbon Manganese Vanadium Silicon Carbon Manganese ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Silicon crystal can be converted to p-type semi-conductor by doping with Phosphorous Carbon Nitrogen Boron Phosphorous Carbon Nitrogen Boron ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Nitrogen is not an essential component of Any of these Oils & fats Protein Urea Any of these Oils & fats Protein Urea ANSWER DOWNLOAD EXAMIANS APP
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