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
Related Mcqs:
- In constant voltage charging method, the charging current from discharged to fully charged condition_____________?
A. decreases
B. increases
C. remains constant
D. none of the above - Under normal charging rate, the charging current should be__________?
A. 10% of capacity
B. 20% of capacity
C. 30% of capacity
D. 40% of capacity - During charging the specific gravity of the electrolyte of a lead-acid battery
A. increases
B. decreases
C. remains the same
D. becomes zero - Trickle charging of a storage battery helps to___________?
A. maintain proper electrolyte level
B. increase its reserve capacity
C. prevent sulphation
D. keep it fresh and fully charged - Battery charging equipment is generally installed______________?
A. in well ventilated location
B. in clean and dry place
C. as near as practical to the battery being charged
D. in location having all above features - Following will happen if battery charging rate is too high______________?
A. excessive gassing will occur
B. temperature rise will occur
C. bulging and buckling of plates will occur
D. all above will occur - Charging of sulfated battery produces _________ heat
A. no
B. very little
C. less
D. more - Charging a sulphated battery at high rate results in___________?
A. boiling of electrolyte due to gassing
B. warping of plates
C. damage to separators, cell caps covers and battery case due to excessive temperature
D. all above - In a battery cover is placed over the element and sealed to the top of the battery container. This is done____________?
A. to reduce evaporation of water from electrolyte
B. to exclude dirt and foreign matter from the electrolyte
C. to discharge both of the above functions
D. to discharge none of the above functions - 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
