Electrolysis and Storage Batteries The watt-hour efficiency of a lead-acid cell varies between 40 to 60% 70 to 80% 25 to 35% 90 to 95% 40 to 60% 70 to 80% 25 to 35% 90 to 95% ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Charging a sulphated battery at high rate results in warping of plates boiling of electrolyte due to gassing damage to separators, cell caps covers and battery case due to excessive temperature All of the listed here warping of plates boiling of electrolyte due to gassing damage to separators, cell caps covers and battery case due to excessive temperature All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Capacity of dry cells is unaffected by the type of discharge more when it is supplying current for continuous periods more when it is supplying current for intermittent periods None of these unaffected by the type of discharge more when it is supplying current for continuous periods more when it is supplying current for intermittent periods None of these ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Weston standard cell at 20°C has voltage of ____ volts. 1.0187 0.8 1.2 1.5 1.0187 0.8 1.2 1.5 ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries The active materials of a nickel-iron battery are powdered iron and its oxide nickel hydroxide all of these 21% solution of kOH powdered iron and its oxide nickel hydroxide all of these 21% solution of kOH ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Undercharging Increases the temperature Reduces specific gravity of the electrolyte Increases specific gravity of the electrolyte Produces excessive gassing Increases the temperature Reduces specific gravity of the electrolyte Increases specific gravity of the electrolyte Produces excessive gassing ANSWER DOWNLOAD EXAMIANS APP
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