Electrolysis and Storage Batteries Local action in a battery is indicated by both of the listed here excessive drop in the specific gravity of electrolyte even when the cell is on open circuit none of the listed here excessive gassing under load conditions both of the listed here excessive drop in the specific gravity of electrolyte even when the cell is on open circuit none of the listed here excessive gassing under load conditions ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries When two batteries are connected in parallel, it should be ensured that they have same ampere-hour capacity they have same make they have identical internal resistance they have same e.m.f. they have same ampere-hour capacity they have same make they have identical internal resistance they have same e.m.f. ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries The effect of sulphation is that the internal resistance none of the listed here decreases increases remains same none of the listed here decreases increases remains same ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries The watt-hour efficiency of a lead-acid cell varies between 40 to 60% 90 to 95% 25 to 35% 70 to 80% 40 to 60% 90 to 95% 25 to 35% 70 to 80% ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries For a cell to work, which of the following condition(s) become necessary ? Two electrodes of different meta’s should be inserted in the electrolyte, not touching each other All of the listed here Electrolyte liquid or paste should be conducting Electrolyte must chemically react with one of the electrodes Two electrodes of different meta’s should be inserted in the electrolyte, not touching each other All of the listed here Electrolyte liquid or paste should be conducting Electrolyte must chemically react with one of the electrodes ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Mercury cell has which of the following characteristics? Flat discharge current-voltage curve All of these Comparatively longer shelf life under adverse conditions of high temperature and humidity High power to weight ratio Flat discharge current-voltage curve All of these Comparatively longer shelf life under adverse conditions of high temperature and humidity High power to weight ratio ANSWER DOWNLOAD EXAMIANS APP
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