Related Questions

Chargmg of sulphated battery produces ____ heat.
A no
B very little
C less
D more
Sulphated cells are indicated by
A the loss of capacity of the cell
B the decrease of the specific gravity
C the low voltage of the cell on discharge
D all above conditions
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
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
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
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
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
The average of 17 results is 60. If the average of first 9 results is 57 and that of the last 9 results is 65, then what will be the value of 9th result?
A 39
B 78
C 117
D 156

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