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baam
Lose 15 points!
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gold
Win 50 points!
Okay!
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gift
Win 10 points!
Okay!
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lifesaver
Give 15 points!
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15
×
What is a hazard when storing NI-CAD batteries and lead-acid batteries in the same area?
The fumes from one type can contaminate the electrolyte in the other type.
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15
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What should be done when interchanging a NI-CAD battery with a lead-battery?
Clean, dried & neutralized with Boric acid or ammonia, then completely air/oven dried.
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15
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How many cells make up a lead-acid battery rated at 24 volts?
12 cells.
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15
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What does âSLAâ mean with respect to an SLA Battery?
âSealed Lead Acidâ-Battery
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15
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What electrical component converts Alternating Current (AC) to Direct Current (DC)?
Rectifier
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15
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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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trap
No points!
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shark
Other team loses 15 points!
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rocket
Go to first place!
Okay!
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baam
Lose 25 points!
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15
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What electrical component converts Direct Current (DC) to Alternating Current (AC)?
Inverter
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banana
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magnet
Take 25 points!
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gift
Win 10 points!
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thief
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15
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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
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What is a probable cause when troubleshooting a NI-CAD battery for failing to deliver its rated capacity?
Faulty cells or cell imbalance.
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15
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What is the unit measurement of inductance?
The Henry
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trap
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fairy
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25
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gift
Win 10 points!
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thief
Give points!
5
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15
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25
15
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Describe impedance in AC circuit.
The total opposition to the current flow in an AC circuit consisting of either resistance and reactance, or elements of both capacitive or inductive.
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15
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Properties of an AC circuit which opposes any change in current? (Alternating current)
Resistance, Inductive reactance and Capacitive reactance.
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