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 . SiO₂ 3CaO . Al2O₃ 5CaO . 3 Al2O₃ 2CaO . SiO₂ 3CaO . SiO₂ 3CaO . Al2O₃ 5CaO . 3 Al2O₃ 2CaO . SiO₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The weight of a body at the centre of the earth is Zero Infinite Same as on the surface of the earth None of these Zero Infinite Same as on the surface of the earth None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics There are one octahedral void and __________ tetrahedral void in the closest packing of atoms. One None of these Three Two One None of these Three Two ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics __________ forces do not act in case of fluids. Vibratory Tensile Centrifugal Elastic Vibratory Tensile Centrifugal Elastic ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Ignition of fuel in a diesel engine is by Hot compressed air Fuel injection None of these Spark Hot compressed air Fuel injection None of these Spark ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Powder metallurgy is used to produce High precision components with complex cavities and sharp features Components of large size Components of such alloys whose constituents do not form alloys readily Porosity free components High precision components with complex cavities and sharp features Components of large size Components of such alloys whose constituents do not form alloys readily Porosity free components ANSWER DOWNLOAD EXAMIANS APP
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