Electrolysis and Storage Batteries Mercury cell has which of the following characteristics? 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 Flat discharge current-voltage curve All of these Comparatively longer shelf life under adverse conditions of high temperature and humidity ANSWER DOWNLOAD EXAMIANS APP
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 6 parts of water 6 parts of acid to 4 parts of water 4 parts of acid to 4 parts of water 4 parts of acid to 8 parts of water 4 parts of acid to 6 parts of water 6 parts of acid to 4 parts of water 4 parts of acid to 4 parts of water 4 parts of acid to 8 parts of water ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries The ampere-hour efficiency of a leadacid cell is normally between 20 to 35% 70 to 75% 90 to 95% 80 to 85% 20 to 35% 70 to 75% 90 to 95% 80 to 85% ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries During the charging and discharging of a nickel-iron cell corrosive fumes are produced nickel hydroxide remains unsplit its e.m.f. remains constant water is neither formed nor absorbed corrosive fumes are produced nickel hydroxide remains unsplit its e.m.f. remains constant water is neither formed nor absorbed ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Following will occur if level of electrolyte falls below plates life of the cell is reduced open plates are converted to lead sulphate all of these capacity of the cell is reduced life of the cell is reduced open plates are converted to lead sulphate all of these capacity of the cell is reduced ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries All the electrical connections between the battery and vehicle should be by thin copper wires thin aluminium wires flexible cables rigid cables thin copper wires thin aluminium wires flexible cables rigid cables ANSWER DOWNLOAD EXAMIANS APP