Chemical Engineering Basics Out of the following, the lowest packing of atoms exists in __________ crystal lattice structure. Hexagonal close, packed (hcp) Body centred cubic (bcc) Face centred cubic (fcc) Simple cubic Hexagonal close, packed (hcp) Body centred cubic (bcc) Face centred cubic (fcc) Simple cubic ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics In radiative heat transfer, a grey surface is the one, which has Emissivity independent of wavelength Grey appearance to the eye Equal brightness in all directions Zero reflectivity Emissivity independent of wavelength Grey appearance to the eye Equal brightness in all directions Zero reflectivity 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 On decreasing the grain size of a polycrys-talline material, the property most likely to deteriorate is Creep Fatigue Toughness Tensile strength Creep Fatigue Toughness Tensile strength 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 3CaO . SiO₂ 3CaO . Al2O₃ 2CaO . SiO₂ 5CaO . 3 Al2O₃ 3CaO . SiO₂ 3CaO . Al2O₃ 2CaO . SiO₂ 5CaO . 3 Al2O₃ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Carbon is present in the form of __________ in grey cast iron. Cementite Flakes Nodular aggregates of graphite Spheroids Cementite Flakes Nodular aggregates of graphite Spheroids ANSWER DOWNLOAD EXAMIANS APP
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