Engine 2014: Electricity

1. A The battery is fully charged when the indicator floats deep and low in the electrolyte.
2. B Any water that has been previously added to the cells will  increase the specific gravity of the solution.
3. C The hydrometer reading will be inaccurate if taken immediately after water is added to the cell.
4. D Temperature has no effect on hydrometer readings.

Tip: press A-D to answer