Chemical Engineering Basics In "Imperial Smelting Process" for extraction of zinc, zinc vapour thus produced is quenched in the external condenser by the use of the following : Blast of air Jet of water at high pressure Mixture of water and air Rain of molten lead Blast of air Jet of water at high pressure Mixture of water and air Rain of molten lead ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Atomic __________ of an element is a whole number. Number Weight Volume Radius Number Weight Volume Radius ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Area under the stress-strain curve upto the __________ is referred to as the modulus of resilience. Yield strength Proportional limit Elastic limit Maximum point Yield strength Proportional limit Elastic limit Maximum point 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. Shows inversion of solubility Decreases None of these Increases Shows inversion of solubility Decreases None of these Increases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Materials having __________ lattice structure are usually the most ductile. Face centred cubic (fcc) Body centred cubic (bcc) Hexagonal close packed (hcp) None of these Face centred cubic (fcc) Body centred cubic (bcc) Hexagonal close packed (hcp) None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Cold cracking in the heat affected zone of a high strength steel weld can take place because of the Sufficient hydrogen present in the welding arc Relatively high sulphur content in the base metal Retained austenite Martensite formation Sufficient hydrogen present in the welding arc Relatively high sulphur content in the base metal Retained austenite Martensite formation ANSWER DOWNLOAD EXAMIANS APP
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