Electrolysis and Storage Batteries Petroleum jelly is applied to the electrical connections to the lead-acid battery reduce path resistance prevent corrosion prevent short-circuiting prevent local heating reduce path resistance prevent corrosion prevent short-circuiting prevent local heating ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries In a battery cover is placed over the element and sealed to the top of the battery container. This is done None of the listed here to exclude dirt and foreign matter from the electrolyte Both of the listed here to reduce evaporation of water from electrolyte None of the listed here to exclude dirt and foreign matter from the electrolyte Both of the listed here to reduce evaporation of water from electrolyte ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Battery container should be acid resistance, therefore it is made up of Glass All of the listed here Wood Plastic Glass All of the listed here Wood Plastic ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries The average charging voltage for alkali cell is about 1.2 V 2.1 V 1.7 V 1 V 1.2 V 2.1 V 1.7 V 1 V ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries The specific gravity of electrolyte is measured by hydrometer manometer psychrometer a mechanical gauge hydrometer manometer psychrometer a mechanical gauge 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 4 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 8 parts of water 4 parts of acid to 4 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 8 parts of water ANSWER DOWNLOAD EXAMIANS APP