Electrolysis and Storage Batteries Which of the following is incorrect? A primary cell has an irreversible chemical reaction A carbon-zinc cell has unlimited shelf life A lead-acid cell can be recharged A storage cell has a reversible chemical reaction A primary cell has an irreversible chemical reaction A carbon-zinc cell has unlimited shelf life A lead-acid cell can be recharged A storage cell has a reversible chemical reaction ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Internal short circuits are caused by breakdown of one or more separators none of the listed here both of the options given here excess accumulation of sediment at the bottom of the cell breakdown of one or more separators none of the listed here both of the options given here excess accumulation of sediment at the bottom of the cell 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 All of these Comparatively longer shelf life under adverse conditions of high temperature and humidity Flat discharge current-voltage curve High power to weight ratio All of these Comparatively longer shelf life under adverse conditions of high temperature and humidity ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Undercharging Increases specific gravity of the electrolyte Produces excessive gassing Reduces specific gravity of the electrolyte Increases the temperature Increases specific gravity of the electrolyte Produces excessive gassing Reduces specific gravity of the electrolyte Increases the temperature ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries The watt-hour efficiency of a lead-acid cell varies between 70 to 80% 25 to 35% 90 to 95% 40 to 60% 70 to 80% 25 to 35% 90 to 95% 40 to 60% ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Chargmg of sulphated battery produces ____ heat. very little more less no very little more less no ANSWER DOWNLOAD EXAMIANS APP
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