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 ____________ ✔✔e
...
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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