During the idle period of the battery, strong electrolyte tends to change the active material of the cell into Pb02 Pb PbO PbSC-4 TRUE ANSWER : ? YOUR ANSWER : ?
On overcharging a battery It will raise the specific gravity of the electrolyte It will increase the capacity of the battery It will bring about chemical change in active materials None of these TRUE ANSWER : ? YOUR ANSWER : ?
Local action in a battery is indicated by excessive gassing under load conditions none of the listed here both of the listed here excessive drop in the specific gravity of electrolyte even when the cell is on open circuit TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following cell has a reversible chemical reaction ? Lead-acid Silver-oxide Carbon-zinc Mercury oxide TRUE ANSWER : ? YOUR ANSWER : ?
In a lead-acid battery the energy is stored in the form of electrostatic energy electromagnetic energy charged ions chemical energy TRUE ANSWER : ? YOUR ANSWER : ?
Lead-acid cell has a life of nearly charges and discharges 1250 1000 500 700 TRUE ANSWER : ? YOUR ANSWER : ?
Electrolyte used in a lead-acid cell is NaOH only water dilute H₂SO₄ only H₂SO₄ TRUE ANSWER : ? YOUR ANSWER : ?
Over charging loosens the active material produces excessive gassing all of the listed here increases the temperature resulting in buckling of plates TRUE ANSWER : ? YOUR ANSWER : ?
_______ of electrolyte indicates the state of charge of the battery colour mass viscosity specific gravity TRUE ANSWER : ? YOUR ANSWER : ?
As compared to constant-current system, the constant-voltage system of charging a lead acid cell has the advantage of avoiding excessive gassing increasing cell capacity reducing time of charging Both of the listed here TRUE ANSWER : ? YOUR ANSWER : ?