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 Mixture of water and air Jet of water at high pressure Blast of air Rain of molten lead Mixture of water and air Jet of water at high pressure Blast of air ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Materials used for making permanent magnets containing iron and nickel are made by __________ technique. Casting Powder metallurgy Forging None of these Casting Powder metallurgy Forging None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Transformation range for ferrous material is the temperature interval during which __________ is formed during its heating. Pearlite Austenite Martensite Cementite Pearlite Austenite Martensite Cementite ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following heat treatment processes is usually applied to castings ? Normalising Annealing Carburising Tempering Normalising Annealing Carburising Tempering ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Oxyacetylene reducing flame is used while carrying out welding on Grey cast iron Alloy steel High carbon steel Mild steel Grey cast iron Alloy steel High carbon steel Mild steel ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Nusselt number is related to Grashoff number (Gr) in turbulent & laminar flow respectively, in respect of free convection over a vertical flat plate as Gr, Gr0.25 Gr0.33, Gr0.25 Gr0.25, Gr Gr0.25, Gr0.33 Gr, Gr0.25 Gr0.33, Gr0.25 Gr0.25, Gr Gr0.25, Gr0.33 ANSWER DOWNLOAD EXAMIANS APP
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