Which effect does the deposit have on the battery terminals?

The battery of an automobile produces electricity from a chemical reaction. This electricity leaves the battery from a post called a terminal and is used in starting the engine. Sometimes a crusty deposit forms on the terminals, preventing the engine from starting. Simply cleaning off the deposit often restores the battery to operable condition.

Which effect does the deposit have on the battery terminals?
A . conducts electricity
B . improves spark plug firing
C . causes hazardous sparks
D . does not conduct electricity
E . is caused by hard water

View Answer

Answer: D