Rita Charitable Trust

Car Driving Test 09

Cleaning and Topping up of a lead acid battery Class Test

Welcome to your Cleaning and Topping up of a lead acid battery Class Test Hope you understand the class & now it's time to examine yourself through test. Remember you have only 10 minutes to complete the class test ,after 10 minutes Class test will be automatically submit.लीड एसिड बैटरी की सफाई और टॉपिंग क्लास टेस्ट में आपका स्वागत है। आशा है कि आपको क्लास समझ में आ गई होगी और अब टेस्ट के ज़रिए खुद को परखने का समय आ गया है। याद रखें कि आपके पास क्लास टेस्ट पूरा करने के लिए सिर्फ़ 10 मिनट हैं, 10 मिनट के बाद क्लास टेस्ट अपने आप सबमिट हो जाएगा।

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1. What is the purpose of topping up a lead-acid battery?

To increase voltage

To replenish lost sulfuric acid

To maintain electrolyte levels

To increase temperature

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2. Which fluid is used to top up a lead-acid battery?

Tap water

Distilled water

Battery acid

Saltwater

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3. What causes the electrolyte level in a lead-acid battery to drop?

Acid leakage

Water evaporation during charging

Vibration

Freezing

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4. When cleaning battery terminals, which of the following is recommended?

Sandpaper

Baking soda solution

Soap water

Alcohol

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5. Corrosion on battery terminals is usually caused by:

Heat

Vibration

Electrolyte leakage

Dust

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6. What PPE (Personal Protective Equipment) is necessary when handling batteries?

Gloves and safety goggles

Apron only

Hard hat

Safety boots only

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7. What should be done before topping up a battery?

Shake it well

Charge the battery fully

Discharge the battery completely

Leave it in the sun

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8. What is the safe level for electrolyte in each cell?

Below the plates

Exactly at the plate level

5 cm above the plates

Just above the plates

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9. Which tool is commonly used to measure electrolyte level?

Hydrometer

Thermometer

Voltmeter

Dipstick

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10. A hydrometer is used to measure:

Voltage

Temperature

Specific gravity of electrolyte

Electrolyte level

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11. Why should tap water be avoided in batteries?

It causes corrosion

It contains minerals that affect performance

It reduces voltage

It is too acidic

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12. What should be used to neutralize acid spills?

Vinegar

Ammonia

Baking soda

Salt

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13. Topping up a battery should be done in which condition?

In full sunlight

In a well-ventilated area

In a closed room

Near fire

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14. What is the risk of overfilling the battery?

Voltage increase

Acid spillage

Faster charging

Reduced capacity

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15. When should you check battery water levels?

Only when it fails

Weekly or monthly

Once a year

Every day

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16. Why should the battery be fully charged before topping up?

To cool it

To reduce water loss

Electrolyte level rises when charged

Acid concentration increases

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17. The best time to clean a battery is:

When in use

During charging

After disconnecting it

Before topping up

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18. What does a low specific gravity indicate?

Full charge

Dirty terminals

Low charge

Overcharged battery

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19. Which cleaning method is best for battery terminal corrosion?

Wipe with a wet cloth

Brush with baking soda solution

Dip in oil

Use a knife

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20. What color is typical terminal corrosion?

Red

White or blue-green

Black

Yellow

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21. What happens if electrolyte falls below the plates?

Nothing

Plates dry and sulfate

Increases battery power

Decreases terminal voltage only

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22. What can be used to protect terminals from corrosion after cleaning?

Paint

Petroleum jelly

Oil

Grease

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23. What is the specific gravity of a fully charged lead-acid battery?

1.100

1.200

1.265

1.500

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24. What happens to water during charging?

It cools down

It evaporates

It converts to acid

It freezes

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25. Why should metal tools be kept away from battery terminals?

They damage terminals

Risk of electric shock or short circuit

Cause acid leakage

They attract corrosion

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26. What is the first sign of low electrolyte?

Battery swelling

Dim lights or low performance

Terminal corrosion

High voltage

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27. Before cleaning or topping up, disconnect which terminal first?

Positive

Neutral

Negative

Ground

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28. Which of these should be avoided during battery maintenance?

Smoking

Using distilled water

Wearing gloves

Checking voltage

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29. How often should battery terminals be cleaned?

Monthly

Only when corroded

Weekly

Every 6 months

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30. What tool is used to tighten terminal connections?

Screwdriver

Spanner

Hammer

Wrench

Your score is