Electrolysis and Storage Batteries The active materials on the positive and negative plates of a fully charged lead-acid battery are lead sulphate and lead lead and lead peroxide None of these lead peroxide and lead lead sulphate and lead lead and lead peroxide None of these lead peroxide and lead ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Which of the following primary cells has the lowest voltage ? Zinc-chloride Carbon-zinc Lithium Mercury Zinc-chloride Carbon-zinc Lithium Mercury ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Weston standard cell at 20°C has voltage of ____ volts. 1.0187 1.2 0.8 1.5 1.0187 1.2 0.8 1.5 ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Mercury cell has which of the following characteristics? High power to weight ratio Flat discharge current-voltage curve All of these Comparatively longer shelf life under adverse conditions of high temperature and humidity High power to weight ratio Flat discharge current-voltage curve All of these Comparatively longer shelf life under adverse conditions of high temperature and humidity ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries 48 ampere-hour capacity would deliver a current of 24 amperes for 2 hours 8 amperes for 6 hours 48 amperes for 1 hour 6 amperes for 8 hours 24 amperes for 2 hours 8 amperes for 6 hours 48 amperes for 1 hour 6 amperes for 8 hours ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries The following indicate that battery on charge has attained full charge gassing specific gravity all of these colour of electrode gassing specific gravity all of these colour of electrode ANSWER DOWNLOAD EXAMIANS APP