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 Blast of air Mixture of water and air Rain of molten lead Jet of water at high pressure Blast of air Mixture of water and air Rain of molten lead ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The velocity at which individual particles from a fluidised bed are carried away by the fluid passing through it, is defined as the Elutriation velocity Minimum fluidisation velocity Terminal velocity Superficial velocity Elutriation velocity Minimum fluidisation velocity Terminal velocity Superficial velocity 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 __________ is the most suitable lubricant for drawing mild steel wires? Kerosene Sodium stearate Water Lime water Kerosene Sodium stearate Water Lime water ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Silicon crystal can be converted to p-type semi-conductor by doping with Boron Phosphorous Carbon Nitrogen Boron Phosphorous Carbon Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics In extrusion of metals, which of the following statement is true ? Speed of the extruded material is same as that of ram speed Relative motion between the billet surface and the container wall is always present Hollow ram is used for indirect extrusion Redundant work is a function of the die angle Speed of the extruded material is same as that of ram speed Relative motion between the billet surface and the container wall is always present Hollow ram is used for indirect extrusion Redundant work is a function of the die angle ANSWER DOWNLOAD EXAMIANS APP
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