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 2CaO . SiO₂ 5CaO . 3 Al2O₃ 3CaO . SiO₂ 3CaO . Al2O₃ 2CaO . SiO₂ 5CaO . 3 Al2O₃ 3CaO . SiO₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Boiler draught of 10 mm water column is equivalent to 1 kgf/m² 10 kgf/mm² 1 kgf/mm² 10 kgf/m² 1 kgf/m² 10 kgf/mm² 1 kgf/mm² 10 kgf/m² ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics In "Imperial Smelting Process" for extraction of zinc, zinc vapour thus produced is quenched in the external condenser by the use of the following : Rain of molten lead Blast of air Mixture of water and air Jet of water at high pressure Rain of molten lead Blast of air Mixture of water and air Jet of water at high pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following materials has the maximum shrinkage allowance ? Cast iron Brass Lead Aluminium alloy Cast iron Brass Lead Aluminium alloy ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Wohler test is a destructive test to find out the __________ strength of a prepared metal specimen. Fatigue Tensile Creep Endurance Fatigue Tensile Creep Endurance ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The weight of a body at the centre of the earth is Zero None of these Infinite Same as on the surface of the earth Zero None of these Infinite Same as on the surface of the earth ANSWER DOWNLOAD EXAMIANS APP