Chemical Engineering Basics Which of the following heat treatment processes is usually applied to castings ? Tempering Normalising Carburising Annealing Tempering Normalising Carburising Annealing 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 : Mixture of water and air Blast of air Jet of water at high pressure Rain of molten lead Mixture of water and air Blast of air Jet of water at high pressure Rain of molten lead ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Powder metallurgy is used to produce 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 High precision components with complex cavities and sharp features ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Sub zero treatment of steel is done to Enhance its working performance in sub zero atmosphere Induce temper brittleness after its hardening Reduce the retained austenite in hardened steel Suppress martensite transformation Enhance its working performance in sub zero atmosphere Induce temper brittleness after its hardening Reduce the retained austenite in hardened steel Suppress martensite transformation ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Frost formation on the evaporator tubes in the domestic refrigerators Causes heat loss due to poor heat transfer Can be prevented by proper design Decreased compressor power Is immaterial Causes heat loss due to poor heat transfer Can be prevented by proper design Decreased compressor power Is immaterial ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Filler material used in welding having the lowest melting point out of the following is Silver solder Brazing spelter Soft solder Aluminium Silver solder Brazing spelter Soft solder Aluminium ANSWER DOWNLOAD EXAMIANS APP
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