What does “SLA” mean with respect to an SLA Battery?
“Sealed Lead Acid”-Battery
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15
What is common use of most multimeters?
Troubleshooting and measurements of voltage, resistance, current continuity, Capacitance and inductance.
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15
What is considered to be the open-circuit voltage of a fully charged 12 cell lead-acid battery?
Approximately 26.4 volts. Or (12 x 2.2 volts) 28 volts are required for charging.
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15
What is the unit measurement of inductance?
The Henry
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15
Using a multimeter, how would a technician read current?
Inserting the multimeter in series by opening or breaking the circuit. The positive side of the meter (RED) is connected towards the positive voltage source.
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15
What electrical component converts Direct Current (DC) to Alternating Current (AC)?
Inverter
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15
What electrical component converts Alternating Current (AC) to Direct Current (DC)?
Rectifier
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15
What does LED stand for?
Light-emitting diode
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15
How does a capacitor store electricity?
In the form of an electrostatic charge or field that exists between two conductors separated by an insulator.
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15
When reading specific gravity of a fully charged lead-acid battery, what indicates high state of charge?
Specific gravity reading between 1.275 and 1.300.
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15
How many cells make up a lead-acid battery rated at 24 volts?
12 cells.
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15
Define Short Circuit.
Low resistance path between two poles (a component and/or a conductor and ground).
