Batteries

Which of the following is not part of a 12V battery cell?

• Electrolyte

• Positive plate

• Container

• Neutral plate

The insulating elements positioned between battery plates are known as ___.

• Inert plates

• Separators

• Insulating plates

• Partitions

When testing a battery’s charge condition, the indicator shows a visible dark green dot. Technician A feels the dot indicates the battery is fully charged. Technician B interprets this to mean the battery needs to be charged. Who is right?

• Tech A

• Tech B

• Both

• Neither

The battery charging process converts ___.

• Atoms into electrolytes

• Electrical energy into chemical energy

• Chemical energy into electrical energy

• Lead oxide into sulfuric acid and water

A hydrometer is used to check the ___ of a battery electrolyte.

• Voltage output

• Level

• Specific gravity

• Current draw

Technician A says that a specific gravity reading of 1.175 indicates that a battery is in need of a recharging. Technician B says that a specific gravity reading of 1.175 indicates that the battery is fully charged. Who is right?

• Tech A

• Tech B

• Both

• Neither

To neutralize a film of acid on top of a battery case, wash it with ___.

• Distilled water

• Diluted electrolyte

• Mineral spirits

• A baking soda/water solution

What is the main purpose of the battery in a car?

• To power the headlights

• To start the engine

• To power the radio

• To charge the phone

What happens when a battery is overcharged?

• The battery will explode

• The battery will discharge

• The battery will heat up and may damage the battery

• The battery will increase its capacity

What is the function of the electrolyte in a battery?

• To provide physical support to the battery

• To facilitate the flow of electric charge between the battery plates

• To cool down the battery

• To increase the battery's voltage