Chemical Engineering Basics Chlorine acts as a bleaching agent only in the presence of Dry air Pure oxygen Sunlight Moisture Dry air Pure oxygen Sunlight Moisture ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics With increase in steam pressure, its specific volume decreases Linearly Slowly first and then rapidly Rapidly first and then slowly Exponentially Linearly Slowly first and then rapidly Rapidly first and then slowly Exponentially ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following is not a characteristic observed in material failure by fatigue fracture ? Presence of both rough & smooth zone with conchoidal markings in smooth zone of the surface Initation of crack occurs on the surface of the machine part Initiation of crack from below the surface does not occur Plastic deformation of material does not occur Presence of both rough & smooth zone with conchoidal markings in smooth zone of the surface Initation of crack occurs on the surface of the machine part Initiation of crack from below the surface does not occur Plastic deformation of material does not occur ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Materials used for making permanent magnets containing iron and nickel are made by __________ technique. Powder metallurgy Forging Casting None of these Powder metallurgy Forging Casting None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Principal alloying elements of cast tool alloys which have very high wear resistance & high temperature strength are Cobalt, chromium & tungsten Molybdenun, tungsten & chromium Cobalt, chromium & nickel Cobalt, zirconium & molybdenum Cobalt, chromium & tungsten Molybdenun, tungsten & chromium Cobalt, chromium & nickel Cobalt, zirconium & molybdenum 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 : 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 Jet of water at high pressure ANSWER DOWNLOAD EXAMIANS APP
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