Chemical Engineering Basics The emf of a Deniell cell Zn | Zn²⁺ || Cu²⁺ | Cu can be increased by Increasing the concentration of copper sulphate solution Increasing the concentration of zinc sulphate solution Increasing the surface area of the electrodes Decreasing the surface area of the electrodes Increasing the concentration of copper sulphate solution Increasing the concentration of zinc sulphate solution Increasing the surface area of the electrodes Decreasing the surface area of the electrodes ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics __________ of hard alloy and tool steel is done to make it easily machinable. Case carburising Tempering Annealing Normalising Case carburising Tempering Annealing Normalising ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Lime contains about 90% CaO. Percentage CaO present in limestone is about 70 50 25 80 70 50 25 80 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Measurement of the area of the indented surface is not involved in the __________ hardhes testing method. Knoop Brinell Rockwell Vicker's Knoop Brinell Rockwell Vicker's ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics In age-hardenable alloys, maximum ductility is obtained After optimum ageing After overageing In as cast state Immediately after solution treatment and subsequent quenching After optimum ageing After overageing In as cast state Immediately after solution treatment and subsequent quenching ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Alloys having more than 80% copper are generally more Corrosion resistant Prone to season cracking Abrasion resistant Machinable Corrosion resistant Prone to season cracking Abrasion resistant Machinable ANSWER DOWNLOAD EXAMIANS APP
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