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 : Jet of water at high pressure Rain of molten lead Blast of air Mixture of water and air Jet of water at high pressure Rain of molten lead Blast of air Mixture of water and air ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Cold chiesel & hammers are made of Forged steel High carbon steel High speed steel Mild steel Forged steel High carbon steel High speed steel Mild steel 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 Fine dispersions of intermetallics of Fe, Ni, Ti etc Fine dispersions of alloy carbides in a ferrite matrix A fine, highly dislocated and strong martensite Fine dispersions of Fe₃ C nucleated on dislocations in austenite Fine dispersions of intermetallics of Fe, Ni, Ti etc Fine dispersions of alloy carbides in a ferrite matrix A fine, highly dislocated and strong martensite ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Lime contains about 90% CaO. Percentage CaO present in limestone is about 80 50 25 70 80 50 25 70 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Speed of a submarine in deep sea & that of an aeroplane is measured by a/an Rotameter Hot wire anemometer Pitot tube Stroboscope Rotameter Hot wire anemometer Pitot tube Stroboscope ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Filler material used in welding having the lowest melting point out of the following is Aluminium Silver solder Brazing spelter Soft solder Aluminium Silver solder Brazing spelter Soft solder ANSWER DOWNLOAD EXAMIANS APP
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