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 3CaO . Al2O₃ 5CaO . 3 Al2O₃ 3CaO . SiO₂ 2CaO . SiO₂ 3CaO . Al2O₃ 5CaO . 3 Al2O₃ 3CaO . SiO₂ 2CaO . SiO₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Notched bar test is used for testing the __________ of a material. Machinability Corrosion resistance Endurance limit Impact strength Machinability Corrosion resistance Endurance limit Impact strength ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Corrosion rate can not be lowered by reducing the __________ of the corroding medium. Concentration None of these Temperature Velocity Concentration None of these Temperature Velocity ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Volume of blast furnace slag is about __________ times the volume of hot metal (pig iron) of the same weight 7 5 1.5 3 7 5 1.5 3 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Hollow shafts can be made as strong as solid shafts by making the twisting moments of both the shafts same. Shafts made by __________ have residual stresses. Hot rolling Casting Cold rolling Forging Hot rolling Casting Cold rolling Forging ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The basic function of the drum in a boiler is to Separate steam from water Remove settling impurities from steam Act as a storage for steam Act as a storage for feed water Separate steam from water Remove settling impurities from steam Act as a storage for steam Act as a storage for feed water ANSWER DOWNLOAD EXAMIANS APP