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WorksheetsLead Acid Battery
Total questions: 10
Worksheet time: 5mins
What is the primary function of a lead-acid battery in a vehicle?
Generating alternating current (AC)
Storing mechanical energy
Supplying electrical power to the vehicle’s systems
Controlling engine speed
What is the nominal voltage of a single lead-acid cell?
1.2 V
2.0 V
6.0 V
12.0 V
A 12 V car battery consists of how many lead-acid cells?
4 cells
5 cells
6 cells
12 cells
What is the active material on the positive plate of a lead-acid battery?
Lead (Pb)
Lead dioxide (PbO2)
Sulfuric acid (H2SO4)
Calcium carbonate (CaCO3)
What electrolyte is used in a lead-acid battery?
Distilled water
Hydrochloric acid
Liquid sulfuric acid
Salt solution
What does the term Cold Cranking Amps (CCA) mean for a car battery?
Battery energy storage capacity
Maximum current at low temperature to start the engine
Maximum battery voltage
Alternator charging rate
What is the effect if a battery’s electrolyte level is too low?
The battery voltage increases
The battery plates are damaged and the battery life decreases
The charging current increases
The battery becomes cooler
What is the primary cause of sulfation in a lead-acid battery?
Overcharging
Storing the battery for a long time in a fully charged state
Leaving the battery in a discharged state for too long
An excessively high electrolyte level
Which instrument is most suitable for measuring a battery’s voltage?
Ammeter
Ohmmeter
Multimeter
Oscilloscope
What is the main advantage of lead-acid batteries compared to other automotive battery types?
Very light weight
Low cost and high reliability
Very high energy density
No direct maintenance required
