Chemical Engineering Basics The process of removal of scale formed during hot rolling of steel is termed as Pickling Skimming Shot blasting Descaling Pickling Skimming Shot blasting Descaling ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Two wires of the same radius & material having length in the ratio of 1 : 2 are stretched by the same force. The strain produced in the two wires will be in the ratio of 0.084027777777778 0.043055555555556 0.042361111111111 0.044444444444444 0.084027777777778 0.043055555555556 0.042361111111111 0.044444444444444 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Scaling occurs in boiler tubes due to the fact that, the solubility of Ca(OH)₂ __________ with increasing temperature. None of these Decreases Increases Shows inversion of solubility None of these Decreases Increases Shows inversion of solubility ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Materials having __________ lattice structure are usually the most ductile. Face centred cubic (fcc) None of these Hexagonal close packed (hcp) Body centred cubic (bcc) Face centred cubic (fcc) None of these Hexagonal close packed (hcp) Body centred cubic (bcc) ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Fatigue resistance of a material is measured by the Ultimate tensile strength Young's modulus Endurance limit Elastic limit Ultimate tensile strength Young's modulus Endurance limit Elastic limit ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Maraging steels derive their strength from the following mechanism: Fine dispersions of Fe₃ C nucleated on dislocations in austenite A fine, highly dislocated and strong martensite Fine dispersions of alloy carbides in a ferrite matrix Fine dispersions of intermetallics of Fe, Ni, Ti etc Fine dispersions of Fe₃ C nucleated on dislocations in austenite A fine, highly dislocated and strong martensite Fine dispersions of alloy carbides in a ferrite matrix Fine dispersions of intermetallics of Fe, Ni, Ti etc ANSWER DOWNLOAD EXAMIANS APP