GW batteries

Multiple Choice

Which of the following is NOT a typical function of an automotive battery?

• Starting the engine

• Powering vehicle lights

• Running the air conditioning when the engine is off

• Controlling tire pressure

Open Ended

Why is understanding 12-volt battery technology important for automotive professionals?

Multiple Choice

Which process in a battery converts chemical energy into electrical energy?

• Charging

• Discharging

• Filtering

• Storing

Open Ended

Explain how the negative and positive plates in a metal-acid battery cell contribute to the flow of current.

Multiple Select

Select all statements that correctly describe what happens during battery charging and discharging.

• Electrons flow through the cell during charging.

• Plates have the same voltage potential during charging.

• Current attempts to equalize voltage potential when load is connected.

• Excess electrons move from positive plate to negative plate.

Open Ended

Describe two main functions of a battery in a vehicle's electrical system.

Multiple Choice

How many cells are required to produce an open circuit voltage of 12.6 volts in a 12-volt battery?

• Four

• Six

• Eight

• Ten

Multiple Choice

Which of the following are main components of a battery cell?

• Positive plates, Negative plates, Straps, Separators

• Electrolyte, Battery cover, Battery cap, Hydrogen gas

• Distilled water, Sulfuric acid, Battery case, Battery cap

• Battery straps, Battery plates, Hydrogen gas, Electrolyte

Multiple Select

Which of the following statements about battery plates is/are correct?

• Grid is coated with porous lead.

• Calcium or antimony increases performance and decreases gassing.

• Gassing occurs due to acid fumes forming during chemical reaction.

• Battery plates are used to seal the top of the battery case.

Open Ended

How do battery straps and separators contribute to the safe and efficient operation of a battery?

Open Ended

What safety hazard is associated with hydrogen gas in batteries, and what precautions should be taken?

Multiple Select

Which of the following are correct about the electrolyte used in batteries?

• It is a mixture of sulfuric acid and distilled water.

• It is poured into each cell until plates are covered.

• Distilled water is used in 12-volt batteries.

• It is used to bond the battery cover to the battery case.

Open Ended

Explain why it is important to take precautions when handling automotive batteries, based on the information provided.

Multiple Choice

Which substance in the electrolyte can cause serious burns or blindness if it contacts the skin or eyes?

• Sulfuric acid

• Hydrochloric acid

• Nitric acid

• Sodium chloride

Multiple Choice

Which of the following statements about battery terminals is correct?

• The positive terminal is large and painted red.

• The negative terminal is large and painted red.

• Side terminals are always positive.

• Round terminals are always black.

Multiple Choice

Based on the diagrams and descriptions, which components are typically connected by the negative battery cable?

• Ground on engine block or frame

• Starter solenoid

• Fuse box

• Battery retainer

Open Ended

Compare and contrast two types of 12-volt batteries described in the lesson. What are their key differences in construction or maintenance?

Multiple Choice

Which of the following best describes the cold cranking rating of a 12-volt battery?

• The time it takes to fully charge the battery at 0°F (–18°C)

• The current the battery can deliver for 30 seconds at 0°F (–18°C) while maintaining a terminal voltage of 7.2 volts

• The maximum voltage the battery can reach at room temperature

• The time to lower terminal voltage below 10.2 volts at a discharge rate of 25 amps

Open Ended

Explain how temperature affects the efficiency of a car battery and the engine's starting requirements.

Multiple Select

Which of the following are recommended steps for maintaining a 12-volt battery?

• Inspect for corrosion and damage

• Remove and clean terminal connections

• Wash top of battery case

• All of the above

Open Ended

Why is it important to wear eye protection when working around 12-volt lead-acid batteries?

Multiple Choice

Which of the following steps is NOT part of the battery leakage test procedure?

• Set voltmeter to read 12–15 volts dc

• Connect black meter lead to negative terminal

• Touch red lead to battery case

• Disable ignition and fuel injection

Multiple Choice

Which of the following is NOT a learning outcome for the 12-volt battery session?

• Describe the operation of a basic battery cell.

• Summarize the functions of an automotive battery.

• Explain the construction, types, and ratings of a 12-volt battery.

• Describe the operation of a fuel injector.

Open Ended

What are the main learning outcomes you achieved from the session on 12-Volt Battery Technology, Diagnosis, and Service?