Chemical Engineering Basics The emf of a Deniell cell Zn | Zn²⁺ || Cu²⁺ | Cu can be increased by Decreasing the surface area of the electrodes Increasing the surface area of the electrodes Increasing the concentration of copper sulphate solution Increasing the concentration of zinc sulphate solution Decreasing the surface area of the electrodes Increasing the surface area of the electrodes Increasing the concentration of copper sulphate solution Increasing the concentration of zinc sulphate solution ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The approximate height of a blast furnace having a useful volume of 2000 m³ is about __________ metres 75 55 25 35 75 55 25 35 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Coke is added in the blast furnace to Remove sulphur & phosphorus from molten metal Reduce & melt the iron ore Increase the fluidity of slag None of these Remove sulphur & phosphorus from molten metal Reduce & melt the iron ore Increase the fluidity of slag None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Free oxygen is removed from boiler feed water, because it Is corrosive None of these Reduces heat transfer co-efficient Causes explosion Is corrosive None of these Reduces heat transfer co-efficient Causes explosion ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics There are one octahedral void and __________ tetrahedral void in the closest packing of atoms. None of these One Two Three None of these One Two Three ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Alloys having more than 80% copper are generally more Abrasion resistant Corrosion resistant Prone to season cracking Machinable Abrasion resistant Corrosion resistant Prone to season cracking Machinable ANSWER DOWNLOAD EXAMIANS APP