A. passive
B. active
C. redundant
D. inert
A. corrosive fumes are produced
B. water is neither formed nor absorbed
C. nickel hydroxide remains unsplit
D. its e.m.f. remains constant
During the charging and discharging of a nickel-iron cell____________? Read More »
Electrolysis and Storage of Batteries A. adding distilled water
B. adding so-called battery restorer
C. a dose of H2SO4
D. none of the above
A dead storage battery can be revived by___________? Read More »
Electrolysis and Storage of Batteries A. 1 V
B. 1.5 V
C. 1.75 V
D. 2 V
Five 2 V cells are connected in parallel. The output voltage is__________? Read More »
Electrolysis and Storage of Batteries A. reducing time of charging
B. increasing cell capacity
C. both (A) and (B)
D. avoiding excessive gassing
A. current rating
B. voltage rating
C. ampere-hour rating
D. none of the above
The capacity of a battery is expressed in terms of____________? Read More »
Electrolysis and Storage of Batteries A. increase the voltage rating
B. increase the current rating
C. increase the life of the cells
D. none of the above
Cells are connected in series in order to_____________? Read More »
Electrolysis and Storage of Batteries A. output voltage
B. temperature of electrolyte
C. specific gravity of electrolyte
D. none of the above
A. less than the battery voltage
B. higher than the battery voltage
C. the same as the battery voltage
D. none of the above
The output voltage of a charger is__________? Read More »
Electrolysis and Storage of Batteries A. just one
B. always greater than one
C. always less than one
D. none of the above
