Electrolysis and Storage Batteries Hydrogen evolved during charging produces explosive mixture when it is more than 10 % 5 % 8 % 6 % 10 % 5 % 8 % 6 % ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Ampere hour capacity of an industrial battery is based on ____ hours discharge rate. 10 8 12 24 10 8 12 24 ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries The ampere-hour efficiency of a leadacid cell is normally between 80 to 85% 20 to 35% 90 to 95% 70 to 75% 80 to 85% 20 to 35% 90 to 95% 70 to 75% ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Which of the following cell has a reversible chemical reaction ? Carbon-zinc Silver-oxide Lead-acid Mercury oxide Carbon-zinc Silver-oxide Lead-acid Mercury oxide ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Undercharging Increases the temperature Reduces specific gravity of the electrolyte Produces excessive gassing Increases specific gravity of the electrolyte Increases the temperature Reduces specific gravity of the electrolyte Produces excessive gassing Increases specific gravity of the electrolyte ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Petroleum jelly is applied to the electrical connections to the lead-acid battery prevent corrosion prevent local heating prevent short-circuiting reduce path resistance prevent corrosion prevent local heating prevent short-circuiting reduce path resistance ANSWER DOWNLOAD EXAMIANS APP
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