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19 Cards in this Set
- Front
- Back
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These are good safety precautions to follow when charging a battery (3 of them). |
1. never charge a frozen battery or one with damaged plates. 2. Always wear safety glasses. 3. Make sure area is well ventilated. |
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True or False about the conclusion of a battery load test - the battery should be charged and recharged because it dropped below 9.6 volts and rose about 12.4 volts when the load was removed. |
FALSE |
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While conducting a battery drain test, if the ammeter reads ____ or more amperes, there is excessive drain. |
.250 or more |
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How many volts are present in a fully charged 12-volt battery? |
12.6 VOLTS |
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What is the first step in removing an old battery? |
Inspect and Clean the area |
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Corrosion on or near the battery must be minimized because _____ (3 answers) |
1. Corrosion can destroy the hold-down straps and battery tray. 2. Corrosion can create a path that will allow the battery to slowly discharge. 3. Corrosive on the battery terminals increases resistance in the battery circuits. |
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A Cold-Cranking amperes (CCA) rating specifies the minimum amperes available at _____ degrees Fahrenheit. |
0 degrees |
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the best way to test battery cables and terminal for excessive resistance is by ___ testing? |
VOLTAGE DROP |
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A conductance tester measures the battery condition by _________ |
Sending a small AC signal through the battery and measuring the current response. |
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Which one is NOT part of the Battery Cell? Electrolyte, Solenoid, Positive Electrode Negative electrode |
Solenoid |
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When load testing a battery, the load applied to the battery should be ___________. |
1/2 the CCA rating |
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When Charging a battery that has been completely discharged, the most important item is to monitor the ____. |
Battery Temperature |
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Which method of testing for battery state of charge (SOC) can be used on maintenance-free batteries? |
BOTH Built-In Hydrometer and Open Circuit Voltage test |
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What can cause battery over charging? |
BOTH a faulty vehicle charging system and Improper use of a battery charger |
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This is NOT a common cause of premature battery failure? |
Increased Cycling |
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Technician A uses a solution of baking soda and water to clean a battery - Technician B uses soap and water. Who is correct? |
Technician A is CORRECT |
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Technician A says the specific gravity of pure water is 10.00 at 80 degrees F. - Technician B says the specific gravity of electrolyte in a fully charged battery is between 1.260 and 1.280 at 80 degrees F. Who is correct? |
Technician A is CORRECT |
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Technician A says the reserve capacity rating of a battery is the amount of steady current that a fully charged battery can supply for 20 hours without voltage dropping below 10.5 volts - Technician B says an ampere-hour rating states how many hours the battery is capable of supplying 25 amperes. |
Technician A is CORRECT |
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NONE |
none |
