Electrolysis and Storage Batteries In a lead-acid cell, if the specific gravity of sulphuric acid is 1.8, it will require following ratio of acid to water to get mixture of specific gravity of 1.3 4 parts of acid to 4 parts of water 4 parts of acid to 8 parts of water 6 parts of acid to 4 parts of water 4 parts of acid to 6 parts of water 4 parts of acid to 4 parts of water 4 parts of acid to 8 parts of water 6 parts of acid to 4 parts of water 4 parts of acid to 6 parts of water ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Level of electrolyte in a cell should be _____ the level of plates none of the listed here above equal to below none of the listed here above equal to below ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Excessive charging a battery tends to bring about all above changes increase the internal resistance of the battery to corrode the positive plates into lead peroxide thereby weakening them physically produce gassing bring about all above changes increase the internal resistance of the battery to corrode the positive plates into lead peroxide thereby weakening them physically produce gassing ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries As compared to constant-current system, the constant-voltage system of charging a lead acid cell has the advantage of increasing cell capacity avoiding excessive gassing reducing time of charging Both of the listed here increasing cell capacity avoiding excessive gassing reducing time of charging Both of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Mercury cell has which of the following characteristics? Flat discharge current-voltage curve High power to weight ratio Comparatively longer shelf life under adverse conditions of high temperature and humidity All of these Flat discharge current-voltage curve High power to weight ratio Comparatively longer shelf life under adverse conditions of high temperature and humidity All of these ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries On overcharging a battery None of these It will bring about chemical change in active materials It will increase the capacity of the battery It will raise the specific gravity of the electrolyte None of these It will bring about chemical change in active materials It will increase the capacity of the battery It will raise the specific gravity of the electrolyte ANSWER DOWNLOAD EXAMIANS APP