Electrolysis and Storage Batteries The active materials on the positive and negative plates of a fully charged lead-acid battery are lead and lead peroxide None of these lead sulphate and lead lead peroxide and lead lead and lead peroxide None of these lead sulphate and lead lead peroxide and lead ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries In a lead-acid cell, if the specific gravity of sulphuric acid is 1.8, it will require following ratio of acid to water to get mixture of specific gravity of 1.3 4 parts of acid to 6 parts of water 6 parts of acid to 4 parts of water 4 parts of acid to 4 parts of water 4 parts of acid to 8 parts of water 4 parts of acid to 6 parts of water 6 parts of acid to 4 parts of water 4 parts of acid to 4 parts of water 4 parts of acid to 8 parts of water ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries The specific gravity of electrolyte is measured by psychrometer manometer hydrometer a mechanical gauge psychrometer manometer hydrometer a mechanical gauge ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries If a lead-acid cell is discharged below 1.8 V the following will happen. Capacity of cell will reduce Sulphation of plates will occur Internal resistance will increase All of the listed here Capacity of cell will reduce Sulphation of plates will occur Internal resistance will increase All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Petroleum jelly is applied to the electrical connections to the lead-acid battery prevent short-circuiting prevent corrosion reduce path resistance prevent local heating prevent short-circuiting prevent corrosion reduce path resistance prevent local heating ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Electrolyte used in an Edison cell is kOH HC1 HN03 NaOH kOH HC1 HN03 NaOH ANSWER DOWNLOAD EXAMIANS APP
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