Chemical Engineering Basics In extrusion of metals, which of the following statement is true ? Redundant work is a function of the die angle Speed of the extruded material is same as that of ram speed Hollow ram is used for indirect extrusion Relative motion between the billet surface and the container wall is always present Redundant work is a function of the die angle Speed of the extruded material is same as that of ram speed Hollow ram is used for indirect extrusion Relative motion between the billet surface and the container wall is always present ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Wohler test is a destructive test to find out the __________ strength of a prepared metal specimen. Fatigue Endurance Tensile Creep Fatigue Endurance Tensile Creep ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics __________ joint is usually used for joining cast iron pipes mostly used for temporary pipelines, where it may be necessary to dismantle & reassemble the pipeline very frequently. Flanged Bell and Spigot Expansion Collar Flanged Bell and Spigot Expansion Collar 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. Hot rolling Forging Cold rolling Casting Hot rolling Forging Cold rolling Casting 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 5CaO . 3 Al2O₃ 3CaO . Al2O₃ 3CaO . SiO₂ 2CaO . SiO₂ 5CaO . 3 Al2O₃ 3CaO . Al2O₃ 3CaO . SiO₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics In radiative heat transfer, a grey surface is the one, which has Equal brightness in all directions Zero reflectivity Grey appearance to the eye Emissivity independent of wavelength Equal brightness in all directions Zero reflectivity Grey appearance to the eye Emissivity independent of wavelength ANSWER DOWNLOAD EXAMIANS APP