Chemical Engineering Basics For hardening high alloy steel, it is to be heated slowly and uniformly to avoid Local hardening Segregation Scale formation Warpage Local hardening Segregation Scale formation Warpage ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Lime contains about 90% CaO. Percentage CaO present in limestone is about 70 80 25 50 70 80 25 50 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The predominant mode of heat transfer which takes place from boiler furnace to water walls of a boiler is Convection Both A & B Conduction Radiation Convection Both A & B Conduction Radiation ANSWER DOWNLOAD EXAMIANS APP
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 . SiO₂ 3CaO . Al2O₃ 5CaO . 3 Al2O₃ 2CaO . SiO₂ 3CaO . SiO₂ 3CaO . Al2O₃ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The size of the tetrahedral void in the closest packing of atoms is __________ that of the octahedral void. Either A, B or C; depends on the size of atom Greater than Less than Equal to Either A, B or C; depends on the size of atom Greater than Less than Equal to ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Milligram of KOH required to saponify 1 gm of oil is called its __________ number. Precipitation Emulsion Saponification Acid Precipitation Emulsion Saponification Acid ANSWER DOWNLOAD EXAMIANS APP
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