The active material of the positive plates of silver-zinc batteries is_________?

Related Mcqs:

The active materials of a nickel-iron battery are___________?

A. nickel hydroxide B. powdered iron and its oxide C. 21% solution of KOH D. all of the above...

In a lead-acid cell dilute sulfuric acid (electrolyte) approximately comprises the following__________?

A. one part H2O, three parts H2SO4 B. two parts H2O, two parts H2SO4 C. three parts H2O, one part H2SO4 D. all H2S04...

In ________ system the charging current is intermittently controlled at either a maximum or minimum value

A. two rate charge control B. trickle charge C. floating charge D. an equalizing charge...

Batteries are charged by_____________?

A. rectifiers B. engine generator sets C. motor generator sets D. any one of the above methods...

Excessive charging a battery tends to____________?

A. produce gassing B. increase the internal resistance of the battery C. to corrode the positive plates into lead peroxide thereby weakening them physically D. bring about all above changes...