Chemical Engineering Basics The ratio of thermal & electrical conductivity is same for all the metals at the same temperature ; and at around room temperature, this ratio is proportional to(where, T = absolute temperature, °K) T 1/T T² 1/T² T 1/T T² 1/T² ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Powder metallurgy is used to produce High precision components with complex cavities and sharp features Porosity free components Components of large size Components of such alloys whose constituents do not form alloys readily High precision components with complex cavities and sharp features Porosity free components Components of large size Components of such alloys whose constituents do not form alloys readily ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The process of removal of scale formed during hot rolling of steel is termed as Descaling Pickling Skimming Shot blasting Descaling Pickling Skimming Shot blasting ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following metals is the most prone to work hardening? Aluminium Lead Brass Copper Aluminium Lead Brass Copper ANSWER DOWNLOAD EXAMIANS APP
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 : Rain of molten lead 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 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Air refrigeration cycle is used in the air crafts, because of Its high heat transfer rate Its higher co-efficient of performance (COP) Low temperature encountered at high altitude Its low unit weight per ton of refrigeration Its high heat transfer rate Its higher co-efficient of performance (COP) Low temperature encountered at high altitude Its low unit weight per ton of refrigeration ANSWER DOWNLOAD EXAMIANS APP