Chemical Engineering Basics Out of the following, the lowest packing of atoms exists in __________ crystal lattice structure. Body centred cubic (bcc) Simple cubic Face centred cubic (fcc) Hexagonal close, packed (hcp) Body centred cubic (bcc) Simple cubic Face centred cubic (fcc) Hexagonal close, packed (hcp) ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics __________ is the most important element, which controls the physical properties of steel. Carbon Vanadium Silicon Manganese Carbon Vanadium Silicon Manganese ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Compression ratio of an I.C. engine is the ratio of the None of these Volume of air in cylinder before compression to that after compression Pressure after compression to that before compression Clearance volume to the volume swept by piston per stroke None of these Volume of air in cylinder before compression to that after compression Pressure after compression to that before compression Clearance volume to the volume swept by piston per stroke ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Alloys having more than 80% copper are generally more Prone to season cracking Abrasion resistant Corrosion resistant Machinable Prone to season cracking Abrasion resistant Corrosion resistant Machinable ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Coke is added in the blast furnace to Reduce & melt the iron ore Increase the fluidity of slag Remove sulphur & phosphorus from molten metal None of these Reduce & melt the iron ore Increase the fluidity of slag Remove sulphur & phosphorus from molten metal None of these 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 2CaO . SiO₂ 3CaO . Al2O₃ 5CaO . 3 Al2O₃ 3CaO . SiO₂ 2CaO . SiO₂ 3CaO . Al2O₃ 5CaO . 3 Al2O₃ 3CaO . SiO₂ ANSWER DOWNLOAD EXAMIANS APP
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