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Automobile Engineering Practice Test: Charging System
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Avg score: 89% Most missed: “Which component in alternator produces a magnetic field?”
A vehicle's charging system has three main parts: Battery: Supplies the electrical power to start the engine Alternator: Generates voltage and electrical power Voltage regulator: Maintains the battery's charge  The charging system also provides electricity to run electrical accessories, such as:  Lights, Audio system, Air conditioner, Window defroster, Radio, Heater, Engine's electrical systems.  The charging system also generates electrical current flow, known as amperage, to recharge and maintain the charge in the battery.  Some symptoms of a failing charging system... Show more
Automobile Engineering Practice Test: Charging System
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10 Questions

1. At the start of the engine, the charging voltage is _______
2. Which component in alternator produces a magnetic field?
3. Which component in the DC generator produces a magnetic field?
4. If the lead-acid cell has a total of 17 cells, then what is the number of positive plates?
5. Which of the following is not an advantage of the alternator?
6. Field coils in a generator produce permanent magnet.
7. What is the frequency of a vibrating contact type regulator for DC generator?
8. Why is a thermistor used in an alternator regulator?
9. In an alternator, which component controls the output?
10. What is the material of an alternator frame?