Electrolysis and Storage Batteries The active materials of a nickel-iron battery are all of these 21% solution of kOH powdered iron and its oxide nickel hydroxide all of these 21% solution of kOH powdered iron and its oxide nickel hydroxide ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries The current flow through electrolyte is due to the movement of electrons holes None of these ions electrons holes None of these ions ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries On overcharging a battery It will bring about chemical change in active materials None of these It will increase the capacity of the battery It will raise the specific gravity of the electrolyte It will bring about chemical change in active materials None of these It will increase the capacity of the battery It will raise the specific gravity of the electrolyte ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries The watt-hour efficiency of a lead-acid cell varies between 25 to 35% 90 to 95% 40 to 60% 70 to 80% 25 to 35% 90 to 95% 40 to 60% 70 to 80% ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Weston standard cell at 20°C has voltage of ____ volts. 1.2 1.0187 1.5 0.8 1.2 1.0187 1.5 0.8 ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Which of the following battery is used for aircraft ? Nickel-iron battery Dry cell battery Silver oxide battery Lead-acid battery Nickel-iron battery Dry cell battery Silver oxide battery Lead-acid battery ANSWER DOWNLOAD EXAMIANS APP
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