Electrolysis and Storage Batteries Mercury cell has which of the following characteristics? Comparatively longer shelf life under adverse conditions of high temperature and humidity All of these High power to weight ratio Flat discharge current-voltage curve Comparatively longer shelf life under adverse conditions of high temperature and humidity All of these High power to weight ratio Flat discharge current-voltage curve ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Which of the following is incorrect? A lead-acid cell can be recharged A storage cell has a reversible chemical reaction A primary cell has an irreversible chemical reaction A carbon-zinc cell has unlimited shelf life A lead-acid cell can be recharged A storage cell has a reversible chemical reaction A primary cell has an irreversible chemical reaction A carbon-zinc cell has unlimited shelf life ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Excessive charging a battery tends to to corrode the positive plates into lead peroxide thereby weakening them physically bring about all above changes increase the internal resistance of the battery produce gassing to corrode the positive plates into lead peroxide thereby weakening them physically bring about all above changes increase the internal resistance of the battery produce gassing ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries The capacity of a lead-acid cell does not depend on its rate of charge rate of discharge temperature quantity of active material rate of charge rate of discharge temperature quantity of active material ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries As compared to a lead-acid cell, the efficiency of a nickel-iron cell is less due to its compactness small quantity of electrolyte used lower e.m.f. higher internal resistance compactness small quantity of electrolyte used lower e.m.f. higher internal resistance ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries The effect of sulphation is that the internal resistance increases none of the listed here remains same decreases increases none of the listed here remains same decreases ANSWER DOWNLOAD EXAMIANS APP
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