Chemical Engineering Basics At the point of boundary layer separation in fluid flow, the Shear stress is zero Velocity gradient is flat Density variation is maximum Shear stress is maximum Shear stress is zero Velocity gradient is flat Density variation is maximum Shear stress is maximum ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Maraging steels derive their strength from the following mechanism: Fine dispersions of alloy carbides in a ferrite matrix Fine dispersions of Fe₃ C nucleated on dislocations in austenite Fine dispersions of intermetallics of Fe, Ni, Ti etc A fine, highly dislocated and strong martensite Fine dispersions of alloy carbides in a ferrite matrix Fine dispersions of Fe₃ C nucleated on dislocations in austenite Fine dispersions of intermetallics of Fe, Ni, Ti etc A fine, highly dislocated and strong martensite 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 . Al2O₃ 3CaO . SiO₂ 5CaO . 3 Al2O₃ 2CaO . SiO₂ 3CaO . Al2O₃ 3CaO . SiO₂ 5CaO . 3 Al2O₃ 2CaO . SiO₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Milligram of KOH required to saponify 1 gm of oil is called its __________ number. Precipitation Saponification Acid Emulsion Precipitation Saponification Acid Emulsion ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Hollow shafts can be made as strong as solid shafts by making the twisting moments of both the shafts same. Shafts made by __________ have residual stresses. Forging Hot rolling Casting Cold rolling Forging Hot rolling Casting Cold rolling ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics In age-hardenable alloys, maximum ductility is obtained In as cast state After optimum ageing Immediately after solution treatment and subsequent quenching After overageing In as cast state After optimum ageing Immediately after solution treatment and subsequent quenching After overageing ANSWER DOWNLOAD EXAMIANS APP
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