Local action in a battery is indicated by none of the listed here excessive drop in the specific gravity of electrolyte even when the cell is on open circuit excessive gassing under load conditions both of the listed here TRUE ANSWER : ? YOUR ANSWER : ?
When the specific gravity of the electrolyte of a lead-acid cell is reduced to 1.1 to 1.15 the cell is in active state none of the listed here charged state discharged state TRUE ANSWER : ? YOUR ANSWER : ?
The capacity of a lead-acid cell depends on All of these Temperature Rate of discharge Density of electrolyte TRUE ANSWER : ? YOUR ANSWER : ?
It is noticed that durum charging the anode becomes chocolate brown in colour (PbCfe) and cathode becomes grey metallic lead (Pb) all of these energy is absorbed by the cell there is a rise in voltage TRUE ANSWER : ? YOUR ANSWER : ?
Petroleum jelly is applied to the electrical connections to the lead-acid battery reduce path resistance prevent short-circuiting prevent local heating prevent corrosion TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is incorrect? A primary cell has an irreversible chemical reaction A storage cell has a reversible chemical reaction A carbon-zinc cell has unlimited shelf life A lead-acid cell can be recharged TRUE ANSWER : ? YOUR ANSWER : ?
Over charging all of the listed here produces excessive gassing increases the temperature resulting in buckling of plates loosens the active material TRUE ANSWER : ? YOUR ANSWER : ?
The specific gravity of electrolyte is measured by manometer a mechanical gauge hydrometer psychrometer TRUE ANSWER : ? YOUR ANSWER : ?