In order that a hydrometer may float vertically in electrolyte its C.G. should be lowered raised undisturbed displaced sideways TRUE ANSWER : ? YOUR ANSWER : ?
The internal resistance of a lead-acid cell is that of Edison cell None of the listed here More than Equal to Less than TRUE ANSWER : ? YOUR ANSWER : ?
The current flow through electrolyte is due to the movement of electrons ions None of these holes TRUE ANSWER : ? YOUR ANSWER : ?
In ______ system the charging current is intermittently controlled at either a maximum or minimum value an equalizing charge trickle charge two rate charge control floating charge TRUE ANSWER : ? YOUR ANSWER : ?
Following will happen if the specific gravity of electrolyte becomes more than 1.23. Loss of life Loss of capacity Corrosion of the grids of the plate All of the listed here TRUE ANSWER : ? YOUR ANSWER : ?
Chargmg of sulphated battery produces ____ heat. more very little no less TRUE ANSWER : ? YOUR ANSWER : ?
A constant-voltage generator has low internal resistance minimum current capacity high internal resistance minimum efficiency TRUE ANSWER : ? YOUR ANSWER : ?
In constant-current charging method, the supply voltage from discharged to fully charged condition decreases remains constant none of the listed here increases TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following primary cells has the highest voltage ? Carbon-zinc Manganese-alkaline Lithium Mercury TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following cell has a reversible chemical reaction ? Silver-oxide Lead-acid Carbon-zinc Mercury oxide TRUE ANSWER : ? YOUR ANSWER : ?