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 3CaO . SiO₂ 2CaO . SiO₂ 3CaO . Al2O₃ 5CaO . 3 Al2O₃ 3CaO . SiO₂ 2CaO . SiO₂ 3CaO . Al2O₃ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Super conduction in metals is observed at a temperature of __________ °K. About 373 >100 About 273 About 373 >100 About 273 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics In the Bayer's process, bauxite is digested under pressure using NH₃ HCl NaOH H₂SO₄ NH₃ HCl NaOH H₂SO₄ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The main function of the deaerator used in the thermal power plant is to Enhance feed water temperature Remove dissolved gases from feed-water Throttle down the steam pressure Remove non-condensable gases from condenser Enhance feed water temperature Remove dissolved gases from feed-water Throttle down the steam pressure Remove non-condensable gases from condenser ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics A cylinderical rod subjected to a tensile strain within the elastic limit undergoes a volume change. If the volume strain is equal to half the tensile strain, then the Poisson's ratio of the rod is 0.33 0.44 0.25 0.33 0.44 0.25 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Coke is added in the blast furnace to Reduce & melt the iron ore Remove sulphur & phosphorus from molten metal Increase the fluidity of slag None of these Reduce & melt the iron ore Remove sulphur & phosphorus from molten metal Increase the fluidity of slag None of these ANSWER DOWNLOAD EXAMIANS APP
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