Electrolysis and Storage Batteries Excessive formation of lead sulphate on the surface of the plates happens because of allowing a battery to stand in discharged condition for a long time persistent undercharging all of the listed here low level of electrolyte allowing a battery to stand in discharged condition for a long time persistent undercharging all of the listed here low level of electrolyte ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries All the electrical connections between the battery and vehicle should be by rigid cables thin aluminium wires flexible cables thin copper wires rigid cables thin aluminium wires flexible cables thin copper wires 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 During the charging of a lead-acid cell it gives out energy its cathode becomes dark chocolate brown in colour specific gravity of H₂SO₄ decreases its voltage increases it gives out energy its cathode becomes dark chocolate brown in colour specific gravity of H₂SO₄ decreases its voltage increases ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Under normal charging rate, the charging current should be 20% of capacity 30% of capacity 40% of capacity 10% of capacity 20% of capacity 30% of capacity 40% of capacity 10% of capacity 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 Both of the listed here reducing time of charging avoiding excessive gassing increasing cell capacity Both of the listed here reducing time of charging avoiding excessive gassing increasing cell capacity ANSWER DOWNLOAD EXAMIANS APP