Electrolysis and Storage Batteries Hydrogen evolved during charging produces explosive mixture when it is more than 10 % 5 % 6 % 8 % 10 % 5 % 6 % 8 % ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries In constant voltage charging method, the charging current from discharged to fully charged condition Increases Remains same None of the listed here Decreases Increases Remains same None of the listed here Decreases ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries For a cell to work, which of the following condition(s) become necessary ? All of the listed here Two electrodes of different meta’s should be inserted in the electrolyte, not touching each other Electrolyte must chemically react with one of the electrodes Electrolyte liquid or paste should be conducting All of the listed here Two electrodes of different meta’s should be inserted in the electrolyte, not touching each other Electrolyte must chemically react with one of the electrodes Electrolyte liquid or paste should be conducting ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries The ampere-hour efficiency of a leadacid cell is normally between 20 to 35% 90 to 95% 70 to 75% 80 to 85% 20 to 35% 90 to 95% 70 to 75% 80 to 85% ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Which of the following primary cells has the lowest voltage ? Carbon-zinc Zinc-chloride Mercury Lithium Carbon-zinc Zinc-chloride Mercury Lithium ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Each cell has a vent cap to add water to the cell if needed all of the listed here to allow gases out when the cell is on charge to check the level of electrolyte to add water to the cell if needed all of the listed here to allow gases out when the cell is on charge to check the level of electrolyte ANSWER DOWNLOAD EXAMIANS APP