AUTOMOTIVE BATTERY ASSESSMENT

1. Battery electrolyte is a mixture of water and:

• Lead peroxide.
• Sulfuric acid.
• Lead sulfate.
• All of the above

2. The plates of a discharged battery are?

• Two similar metals in the presence of an electrolyte.
• Two similar metals in the presence of water.
• Two dissimilar metals in the presence of an electrolyte.
• Two dissimilar metals in the presence of water.

3. Which of the following is true of a 12-volt automobile battery?

• It has six cells connected in series.
• It has three cells connected in series.
• It has six cells connected in parallel.
• It has three cells connected in parallel.

4. The correct ratio of water to sulfuric acid in battery electrolyte is approximately:

• 80 percent water to 20 percent sulfuric acid.
• 65 percent water to 35 percent sulfuric acid.
• 35 percent water to 65 percent sulfuric acid.
• 20 percent water to 80 percent sulfuric acid.
• Option 5

5. Technician A says circuit protection devices are sensitive to current. Technician B says they are sensitive only to voltage. Who is correct?

• Technician A only.
• Technician B only.
• both Technician A and Technician B.
• neither Technician A nor Technician B.

6. Each cell of a fully charged six cell battery produces:

• 1.75 volts
• 4.2 volts
• 1.2 volts
• 2.1 volts

7. The capacity of a battery is determined by its:

• number of plates.
• size of plates.
• both a and b.
• neither a nor.

8. Battery corrosion may be cleaned with:

• water.
• a solution of baking soda and water.
• water and baking flower.
• kerosene.

9. To check for a battery drain, you would connect an ammeter between the:

• battery and alternator.
• battery (+) and (-) terminals.
• battery (+) terminal and ground cable.
• battery (-) terminal and ground cable.

10. In order to properly and accurately perform Heavy Load tests on batteries, the battery must be at least:

• 50% charged.
• 25% charged.
• 100% charged.
• 75% charged