Electrolysis and Storage Batteries Which of the following battery is used for aircraft ? Silver oxide battery Nickel-iron battery Dry cell battery Lead-acid battery Silver oxide battery Nickel-iron battery Dry cell battery Lead-acid battery ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries The substances which combine together to store electrical energy during the charge are called ______ materials dielectric insert active passive dielectric insert active passive ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Cells are connected in series in order to increase the life of the cells increase the current rating None of the listed here increase the voltage rating increase the life of the cells increase the current rating None of the listed here increase the voltage rating 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 The active materials of a nickel-iron battery are 21% solution of kOH all of these powdered iron and its oxide nickel hydroxide 21% solution of kOH all of these powdered iron and its oxide nickel hydroxide ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Weston standard cell at 20°C has voltage of ____ volts. 1.5 1.2 0.8 1.0187 1.5 1.2 0.8 1.0187 ANSWER DOWNLOAD EXAMIANS APP