Electrolysis and Storage Batteries Extent of corrosion in the underground metal work depends upon amount of moisture type of metals type of soil chemicals all of these amount of moisture type of metals type of soil chemicals all of these ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries A constant-voltage generator has minimum efficiency low internal resistance minimum current capacity high internal resistance minimum efficiency low internal resistance minimum current capacity high internal resistance 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 Electrolyte liquid or paste should be conducting 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 All of the listed here Electrolyte liquid or paste should be conducting 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 ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Which of the following is incorrect? A carbon-zinc cell has unlimited shelf life A lead-acid cell can be recharged A primary cell has an irreversible chemical reaction A storage cell has a reversible chemical reaction A carbon-zinc cell has unlimited shelf life A lead-acid cell can be recharged A primary cell has an irreversible chemical reaction A storage cell has a reversible chemical reaction ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Following will happen if the specific gravity of electrolyte becomes more than 1.23. Loss of capacity All of the listed here Loss of life Corrosion of the grids of the plate Loss of capacity All of the listed here Loss of life Corrosion of the grids of the plate ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries The active materials of a nickel-iron battery are 21% solution of kOH powdered iron and its oxide all of these nickel hydroxide 21% solution of kOH powdered iron and its oxide all of these nickel hydroxide ANSWER DOWNLOAD EXAMIANS APP