ELECTROLYSIS AND STORAGE BATTERIES QUIZ

specific gravity

colour of electrode

gassing

all of these

there is a rise in voltage

all of these

the anode becomes chocolate brown in colour (PbCfe) and cathode becomes grey metallic lead (Pb)

energy is absorbed by the cell

bulging and buckling of plates will occur

excessive gassing will occur

all of the listed here

temperature rise will occur

30% of capacity

20% of capacity

40% of capacity

10% of capacity

excessive drop in the specific gravity of electrolyte even when the cell is on open circuit

excessive gassing under load conditions

none of the listed here

both of the listed here

PbSC-4

PbO

Pb

Pb02

Power in the load resistance

Current

Efficiency of the circuit

Voltage across the load resistance

surface contact resistance between electrode and electrolyte

electrode resistance

resistance of electrolyte

all of the listed here

1.4 V

2.5 V

1.8 V

2.0 V

active

redundant

all

passive