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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
When the specific gravity of the electrolyte of a lead-acid cell is reduced to 1.1 to 1.15 the cell is in

none of the listed here
discharged state
charged state
active state

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Electrolysis and Storage Batteries
When the load resistance equals the generator resistance which of the following will be maximum ?

Current
Voltage across the load resistance
Efficiency of the circuit
Power in the load resistance

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Electrolysis and Storage Batteries
Battery charging equipment is generally installed

In clean and dry place
All of the listed here
In well ventilated location
As near as practical to the battery being charged

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Electrolysis and Storage Batteries
In a lead-acid cell, lead is called as

passive material
positive active material
negative active material
None of the listed here

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Electrolysis and Storage Batteries
48 ampere-hour capacity would deliver a current of

8 amperes for 6 hours
6 amperes for 8 hours
48 amperes for 1 hour
24 amperes for 2 hours

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Electrolysis and Storage Batteries
Those substances of the cell which take active part in chemical combination and hence produce electricity during charging or discharging are known as______materials.

all
active
redundant
passive

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