Related Questions

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
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
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
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
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
During the idle period of the battery, strong electrolyte tends to change the active material of the cell into
A PbO2
B PbSC4
C PbO
D Pb
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
The battery is an electrochemical device, which means battery
A Makes chemicals by mechanical means
B Uses chemical action to provide electricity
C Has curved plates instead of flat plates
D Does not use an electrolyte

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