BATTERY AND OSCILLOSCOPE - Practice Mode

1) What is the specific gravity of concentrated sulphuric acid?

1.175 1.245 1.835 1.945

Correct Answer: 1.835

2) What is the total voltage of six 1.5 V cells, connected in series?

3 VDC 6 VDC 9 VDC 12 VDC

Correct Answer: 9 VDC

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

Leaking Charging Unloading Discharging

Correct Answer: Discharging

4) 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

5) Which electrolyte is used in maintenance free lead acid batteries?

Gelled electrolyte Sodium electrolyte Ceramic electrolyte Potassium electrolyte

Correct Answer: Gelled electrolyte

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