CELLS AND BATTERIES - Practice Mode

1) What is the effect on a secondary cell supplying current to the load?

Leaking Charging Unloading Discharging

Correct Answer: Discharging

2) What is the percentage of sulphuric acid in electrolyte used for lead-acid batteries?

12% 25% 27% 40%

Correct Answer: 27%

3) What is the name of the process to maintain the recommended level of electrolyte in lead-acid battery cell?

Recharging Topping up Charging the cell Cycling of the cell

Correct Answer: Topping up

4) What is the electrolyte level maintained above the top of the plates in lead acid battery cells?

2 mm to 4 mm 5 mm to 8 mm 10 mm to 15 mm 16 mm to 25 mm

Correct Answer: 10 mm to 15 mm

5) What is the lowest voltage level of discharging the lead-acid battery?

1.2 V 1.5 V 1.7 V 1.85 V

Correct Answer: 1.7 V

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