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 : 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 Jet of water at high pressure Rain of molten lead ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Principal alloying elements of cast tool alloys which have very high wear resistance & high temperature strength are Molybdenun, tungsten & chromium Cobalt, chromium & nickel Cobalt, chromium & tungsten Cobalt, zirconium & molybdenum Molybdenun, tungsten & chromium Cobalt, chromium & nickel Cobalt, chromium & tungsten Cobalt, zirconium & molybdenum ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The predominant mode of heat transfer which takes place from boiler furnace to water walls of a boiler is Convection Conduction Radiation Both A & B Convection Conduction Radiation Both A & B ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following metals reacts violently with water ? Mercury Sodium Calcium Magnesium Mercury Sodium Calcium Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Carbon is present in the form of __________ in grey cast iron. Flakes Cementite Spheroids Nodular aggregates of graphite Flakes Cementite Spheroids Nodular aggregates of graphite ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Circulation of liquid metal (i.e. molten sodium) in a liquid metal cooled nuclear reactor is done by a/an __________ pump. Axial flow Electromagnetic Reciprocating Diaphragm Axial flow Electromagnetic Reciprocating Diaphragm ANSWER DOWNLOAD EXAMIANS APP
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