Nocti Electrical Study Guide Latest 2023 Graded A+

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Nocti Electrical Study Guide Latest 2023 Graded A+ A continuous path along a conductor through which electrical current can flow from an energy source through a load and back to the source is called a ____________ ✔✔electrical circuit What is a scan tool? ✔✔used to identify trouble codes stored in the car's computer memory A material that allows electrons to flow through it easily or a pathway for electricity is known as a______________ ✔✔conductor Three things that can be measured in an electrical circuit: ✔✔Volts, amps, and resistance Electrons flow from ________ to ________ in an electrical circuit ✔✔negative to positive A circuit that has only one pathway for electricity to flow is known as a ✔✔series circuit a circuit that has more than one pathway for electricity to flow is called a__________ ✔✔parallel circuit A condition caused by a break in a circuit causing current to stop flowing is known as _________________ ✔✔an open circuit A wire to wire short circuit is caused how? ✔✔When one one wire touches another wire causing the circuit to fail. A wire to wire short or a wire to ground short will cause what? ✔✔a light to go dim or to go out high resistance in an electrical circuit will cause what involving lights? ✔✔It causes lights to stay dim What will a flasher do? ✔✔makes the blinkers blink Automotive fuses are all sized by the amount of what? ✔✔the amount of amperage they can carry If a fuse is blown out and you replaced it, the problem with the circuit is not fixed; why? ✔✔something caused the circuit to burn out when replacing a halogen type headlight, what should you be aware of? ✔✔NEVER touching a glass bulb with your skin What is a test light used for? ✔✔to test a circuit to see if voltage is present A volt/ohm meter is used to measure what? ✔✔the amount of voltage in a circuit When determining a problem in an electrical circuit, what should you check first? ✔✔the easiest thing first! If you are not sure what to check first, where could you look? ✔✔service manual Fuses are used to protect the circuit from what? ✔✔too much current When replacing a headlight, it is a good idea to test the new light before what? ✔✔mounting it in the car The 2 larger outside screws must never be taken out when replacing a headlight- why? ✔✔Because these screws adjust the headlight If a bulb has a dark spot in it, what does that mean? ✔✔It is burned out To replace a tail light bulb in the car, you should do what? ✔✔push it in and turn it to the left (counter clockwise) to remove it or pull it straight out Why should you take great care when replacing a bulb? ✔✔it could break and cut you If the check engine or MIL light is steadily flashing, what do you need to do? ✔✔The car should be taken in for service right away or serious damage may occur If the check engine or MIL light is steadily glowing, what do you need to do? ✔✔Take the car in at your earliest convenience If the check engine or MIL light goes on and off intermittently, The car has a problem that needs to be fixed when? ✔✔sometime in the future Keeping the battery full of fluid, keeping the terminals tight and clean, will make the battery do what? ✔✔last longer and deliver all of its available power What do you do if you spill sulfuric acid on your skin? ✔✔wash the infected area right away to prevent any burns what gas does a battery produce ✔✔hydrogen gas How long does a battery last? ✔✔5-6 years When removing battery cables for cleaning or other services, what should you remove first? ✔✔the negative cable first to prevent sparks

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