The capacity of a lead-acid cell depends on ____ ?
A. density of electrolyte
B. rate of discharge
C. temperature
D. all above
Basic Electrical Mcqs
Basic Electrical Mcqs
In a lead-acid cell, lead is called as ____ ?
A. negative active material
B. positive active materi
C. passive material
D. none of the above
Undercharging of chemical batteries ____.
A. ncreases the temperature
B. reduces specific gravity of the electrolyte
C. increases specific gravity of the electrolyte
D. produces excessive gassing
Over charging of chemical battery ___ ?
A. increases the temperature resulting in buckling of plates
B. produces excessive gassing
C. loosens the active material
D. all of the above
When the specific gravity of the electrolyte of a lead-acid cell is reduced to 1.1 to 1.15 the cell is in ____ ?
A. discharged state
B. charged state
C. both (a) and (b)
D. active state
The specific gravity of electrolyte is measured by:
A. psychrometer
B. hydrometer
C. hydrometer
D. hygrometer
The open circuit voltage of any storage cell depends wholly upon ____.
A. its chemical constituents
B. its temperature
C. its chemical constituents
D. all of the above
Electrolyte used in a lead-acid cell is ____.
A. only H2SO4
B. only water
C. dilute H2SO4
D. NaOH
Lead-acid cell has a life of nearly charges and discharges:
A. 1250
B. 1000
C. 500
D. 700
The capacity of a lead-acid cell does not depend on its:
A. rate of charge
B. rate of discharge
C. temperature
D. quantity of active material