Chemical Engineering Basics The emf of a Deniell cell Zn | Zn²⁺ || Cu²⁺ | Cu can be increased by Increasing the concentration of zinc sulphate solution Decreasing the surface area of the electrodes Increasing the concentration of copper sulphate solution Increasing the surface area of the electrodes Increasing the concentration of zinc sulphate solution Decreasing the surface area of the electrodes Increasing the concentration of copper sulphate solution Increasing the surface area of the electrodes ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics 'Flare tower' used in industry is meant for Venting off (after burning) the excess inflammable/toxic gases at high pressure Cooling of furnace exhaust gases None of these Absorbing the pollutant gases from the furnace exhaust Venting off (after burning) the excess inflammable/toxic gases at high pressure Cooling of furnace exhaust gases None of these Absorbing the pollutant gases from the furnace exhaust ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following is not a characteristic observed in material failure by fatigue fracture ? Initiation of crack from below the surface 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 Plastic deformation of material does not occur Initiation of crack from below the surface 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 Plastic deformation of material does not occur ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics During sensible cooling of air, its wet bulb temperature Decreases & the dew point increases Increases & the dew point decreases Decreases but dew point remains constant Increases but dew point remains constant Decreases & the dew point increases Increases & the dew point decreases Decreases but dew point remains constant Increases but dew point remains constant ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The basic function of the drum in a boiler is to Act as a storage for feed water Separate steam from water Act as a storage for steam Remove settling impurities from steam Act as a storage for feed water Separate steam from water Act as a storage for steam Remove settling impurities from steam ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The best criterion for analysing an economic investment is the Future value method Rate of return criterion Present value method Salvage value Future value method Rate of return criterion Present value method Salvage value ANSWER DOWNLOAD EXAMIANS APP
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