Life of the batteries is in the following ascending order. Lead-acid cell, Edison cell, Nickel cadmium cell Edison cell, Nickel-cadmium cell, lead-acid cell Nickel-cadmium cell, Edison cell, lead-acid cell Lead-acid cell, Nickel-cadmium cell, Edison cell TRUE ANSWER : ? YOUR ANSWER : ?
Cells are connected in parallel to Increase the efficiency Increase the voltage output Increase the internal resistance Increase the current capacity TRUE ANSWER : ? YOUR ANSWER : ?
Internal resistance of a cell is reduced by using vent plug to permit gas formed during discharge all of the listed here increasing the plate area putting plates very close together TRUE ANSWER : ? YOUR ANSWER : ?
Cell short circuit results in low sp. gravity electrolyte abnormal high temperature reduced gassing on charge all of the listed here TRUE ANSWER : ? YOUR ANSWER : ?
In alkaline cell the electrolyte is dilute sulphuric acid concentrated sulphuric acid kOH NaOH TRUE ANSWER : ? YOUR ANSWER : ?
If a lead-acid cell is discharged below 1.8 V the following will happen. All of the listed here Internal resistance will increase Sulphation of plates will occur Capacity of cell will reduce TRUE ANSWER : ? YOUR ANSWER : ?
Local action in a battery is indicated by excessive drop in the specific gravity of electrolyte even when the cell is on open circuit none of the listed here both of the listed here excessive gassing under load conditions TRUE ANSWER : ? YOUR ANSWER : ?
When the lead-acid cell is fully charged, the electrolyte assumes _____ appearance dull reddish bright milky TRUE ANSWER : ? YOUR ANSWER : ?
Hydrogen evolved during charging produces explosive mixture when it is more than 8 % 5 % 10 % 6 % TRUE ANSWER : ? YOUR ANSWER : ?
The effect of sulphation is that the internal resistance decreases increases remains same none of the listed here TRUE ANSWER : ? YOUR ANSWER : ?