Automotive Technology: A Systems Approach (MindTap Course List)
6th Edition
ISBN: 9781133612315
Author: Jack Erjavec, Rob Thompson
Publisher: Cengage Learning
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Textbook Question
Chapter 17, Problem 6RQ
How many volts are present in a fully charged 12-volt battery?
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True or False? A fully charged new battery willhave a low conductance reading.
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Which of the following statements about batterytypes is not true?a. Deep cycle batteries are designed to gothrough many charge and discharge cycles.b. A low-maintenance battery is a heavy-dutyversion of a normal lead-acid battery.c. Maintenance-free batteries require externalholes or vent caps.d. In a gel cell battery, gassing is minimized andvents are not needed.
Chapter 17 Solutions
Automotive Technology: A Systems Approach (MindTap Course List)
Ch. 17 - Define an electrolyte and its role in battery...Ch. 17 - Prob. 2RQCh. 17 - How is a battery leakage test conducted?Ch. 17 - Describe parasitic draw.Ch. 17 - How can you identify the high-voltage system in...Ch. 17 - How many volts are present in a fully charged...Ch. 17 - What is meant by the term specific gravity?Ch. 17 - What causes gassing in a battery?Ch. 17 - List five things that shorten the life of a...Ch. 17 - True or False? All electrochemical batteries have...
Ch. 17 - Prob. 11RQCh. 17 - True or False? A batteny is an electromechanical...Ch. 17 - True or False? The BCI determines battery ratings...Ch. 17 - Which of the following statements about battery...Ch. 17 - Which of the following statements about battery...Ch. 17 - Prob. 1ASRQCh. 17 - Technician A says that the reserve rating of a...Ch. 17 - Technician A says that battery straps should be...Ch. 17 - Technician A says jump-starting a battery can...Ch. 17 - Prob. 5ASRQCh. 17 - Technician A says that before a battery is...Ch. 17 - Technician A says that side post terminals need to...Ch. 17 - A vehicles battery goes dead after sitting for two...Ch. 17 - Technician A always wears safety glasses or...Ch. 17 - While discussing the results of a load test:...
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- Which of the following statements about battery types is not true? Deep cycle batteries are designed to go through many charge and discharge cycles. A low-maintenance battery is a heavy-duty version of a normal lead-acid battery. Maintenance-free batteries require external holes or vent caps. In a gel cell battery, gassing is minimized and vents are not needed.arrow_forwardDefine an electrolyte and its role in battery operation.arrow_forwardTrue or False? All electrochemical batteries have three major parts: two electrodes or plates, and an electrolyte.arrow_forward
- What causes gassing in a battery?arrow_forwardTrue or False? The BCI determines battery ratings for CCA, CA, and reserve capacity.arrow_forwardWhich of the following statements about battery rating is true? a.The ampere-hour rating is defined as the amount of steady current that a fully charged battery' can supply for 1 hour at 80o F (26.7o C) without the cell voltage falling below a predetermined voltage. b.The cold cranking amps rating represents the number of amps that a fully charged battery can deliver at 0o F(-17.7o C) for 30 seconds while maintaining a voltage above 9.6 volts for a 12 volt battery. c.The craking amp rating expresses that number of amperes a battery' can deliver at 32o F (0o C) for 30 seconds and maintain at least 1.2 volts percell. d.The reserve capacity ratng expresses the number of amperes a fully charged battery at 80o F can supply before the battery's voltage falls below 10.5 volts.arrow_forward
- Technician A says that the reserve rating of a battery is the amount of steady current that a fully charged battery can supply tor 20 hours without the voltage falling below 10.5 volts. Technician B says that ampere-hour ratings state how many hours the battery is capable of supplying 25 amperes. Who is correct? Technician A Technician B Both A and B Neither A nor Barrow_forwardWhile discussing the results of a load test: Technician A says that if a battery fails a load test but the voltage rises above 12.4 volts when the load is removed, the battery should be replaced. Technician B says that if a battery fails a load test but the voltage rises above 12.4 volts when the load is removed, the battery is able to hold a charge. Who is correct? Technician A Technician B Both A and B Neither A nor Barrow_forwardHow is a battery leakage test conducted?arrow_forward
- Technician A says that battery straps should be used whenever a battery is lifted Technician B says that when a battery is removed, the positive cable should be disconnected first. Who is correct? Technician A Technician B Both A and B Neither A nor Barrow_forwardBattery. Assume a home for a stand alone PV Solar system has a 3kwh/day average DC requirement. What 6 volt battery Ah rating is required assuming 8 batteries in series will be used? Autonomy is 3 days. Also assume the allowable depth of discharge is 80% and the charge/discharge efficiency of the batteries is 90%. Give answer in (ampere*hour) Ah rating for each battery.arrow_forwardTechnician A says jump-starting a battery can damage electronic components. Technician B says a dead battery should be jump-started instead of recharged. Who is correct? Technician A Technician B Both A and B Neither A nor Barrow_forward
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