Specific gravity of electrolyte in Edison cell is_____________?
A. 0.8
B. 0.95
C. 1.1
D. 1.21
Electrolysis and Storage of Batteries
During the idle period of the battery, strong electrolyte tends to change the active material of the cell into____________?
During the idle period of the battery, strong electrolyte tends to change the active material of the cell into____________?
A. Pb02
B. PbSC-4
C. PbO
D. Pb
The body of Edison cell is made of___________?
The body of Edison cell is made of___________?
A. bakelite
B. rubber
C. nickel plated steel
D. aluminium
All the electrical connections between the battery and vehicle should be by____________?
All the electrical connections between the battery and vehicle should be by____________?
A. thin aluminium wires
B. thin copper wires
C. rigid cables
D. flexible cables
Ampere hour capacity of an industrial battery is based on _______ hours discharge rate
Ampere hour capacity of an industrial battery is based on _______ hours discharge rate
A. 8
B. 12
C. 16
D. 24
Self charge of a Ni-Fe cell is _______ Edison cell
Self charge of a Ni-Fe cell is _______ Edison cell
A. equal to
B. less than
C. more than
D. much more than
The following indicate that battery on charge has attained full charge___________?
The following indicate that battery on charge has attained full charge___________?
A. colour of electrode
B. gassing
C. specific gravity
D. all above
Dry cell is modification of____________?
Dry cell is modification of____________?
A. Deniell cell
B. Leclanche cell
C. Lead-acid cell
D. Edison cell
Excessive charging a battery tends to____________?
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
In order that a hydrometer may float vertically in electrolyte its C.G. should be___________?
In order that a hydrometer may float vertically in electrolyte its C.G. should be___________?
A. lowered
B. raised
C. undisturbed
D. displaced sideways