Electrolysis and Storage Batteries The ampere-hour efficiency of a leadacid cell is normally between 70 to 75% 20 to 35% 80 to 85% 90 to 95% 70 to 75% 20 to 35% 80 to 85% 90 to 95% ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries In constant-current charging method, the supply voltage from discharged to fully charged condition increases decreases none of the listed here remains constant increases decreases none of the listed here remains constant 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 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
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 peroxide and lead None of these lead and lead peroxide lead sulphate and lead lead peroxide and lead None of these lead and lead peroxide ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Extent of corrosion in the underground metal work depends upon type of soil chemicals type of metals all of these amount of moisture type of soil chemicals type of metals all of these amount of moisture ANSWER DOWNLOAD EXAMIANS APP
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