SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
Test your basic knowledge |
Electrician 101
Start Test
Study First
Subjects
:
industries
,
engineering
Instructions:
Answer 27 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. What does the positive-negative attraction relate too?
Stands for direct current and it is when electrons move in one direction.
The behavior of positive and negative charges is very similar to the behavior of the two poles in a magnet.
In a wire conductor - there are billions of loose or free electrons - all safely in place in their fields. They're distributed evenly throughout the wire.
From an electricians - pov - electricity is the movement of electrons. Electrons are atomic particles found in every substance. An electron has one main characteristic which is a negative electrical charge.
2. What is WATT?
The basic unit used to measure electrical power.
The behavior of positive and negative charges is very similar to the behavior of the two poles in a magnet.
E stands for voltage in volts - I stands for current in amperes - and P stands for power in watts.
When current flows - the resulting work is energy. Current flow tends to heat whatever its moving through - which is a useful characteristic of an appliance.
3. What type of system does electricity behaves as?
Voltage or electromotive force is pressure required to force electrons into a wire. Voltage is also measured in units called Volts.
KW-H
Electricity behaves as a water system. It must have pressure to push the water - and a drain to allow it to flow continuously.
120/240 V service.
4. What is the amperage that can be measured with a ammeter?
Stands for alternating current and it is when electrons move in both directions.
Energy
The design that the system is able to handle total amperage needs.
The electrical current flow or amperage - the rate of electron flow that passes through a cross section of wire.
5. Electrical Power is the product of what?
Voltage and current in a circuit. That is - voltage(in volts) times current (in amperes) equals power (in watts) P=E x I
A magnatic field is generated that makes the motor rotate - producing mechanical power.
In units of Amperes
Electricity behaves as a water system. It must have pressure to push the water - and a drain to allow it to flow continuously.
6. What is the amount of power used over a period of time?
From an electricians - pov - electricity is the movement of electrons. Electrons are atomic particles found in every substance. An electron has one main characteristic which is a negative electrical charge.
Power which is watt.
Energy
When current flows - the resulting work is energy. Current flow tends to heat whatever its moving through - which is a useful characteristic of an appliance.
7. What is AC?
Hertz - one cycle per second is equal to one hertz. Electricity is caused to flow through wires at a frequency of 60 cycles per second. This means electrons flow one direction - then in the reverse direction - repeating this cycle 60 times every seco
Stands for alternating current and it is when electrons move in both directions.
Energy
You must multiply voltage ( involts) times current(in amperes).
8. What type of Voltage is required for new homes to have?
120/240 V service.
From an electricians - pov - electricity is the movement of electrons. Electrons are atomic particles found in every substance. An electron has one main characteristic which is a negative electrical charge.
Most common electrical devices are set to operate as 120/240 V.
When current flows - the resulting work is energy. Current flow tends to heat whatever its moving through - which is a useful characteristic of an appliance.
9. Electricity flows through wires In what frequency?
KW-H
60 cycles per second.
The electrical current flow or amperage - the rate of electron flow that passes through a cross section of wire.
The behavior of positive and negative charges is very similar to the behavior of the two poles in a magnet.
10. What does P = E x I stand for?
E stands for voltage in volts - I stands for current in amperes - and P stands for power in watts.
Power which is watt.
Stands for direct current and it is when electrons move in one direction.
Watt.
11. What is voltage or electromotive force?
Most common electrical devices are set to operate as 120/240 V.
Electrons can be forced to move by pushing more electrons to the wire. However - no electron can get into the wire unless an equal number of electrons is pushed out of the other end.
Voltage or electromotive force is pressure required to force electrons into a wire. Voltage is also measured in units called Volts.
Stands for direct current and it is when electrons move in one direction.
12. What is the measurement unit of electron movement
Electricity behaves as a water system. It must have pressure to push the water - and a drain to allow it to flow continuously.
The behavior of positive and negative charges is very similar to the behavior of the two poles in a magnet.
Hertz - one cycle per second is equal to one hertz. Electricity is caused to flow through wires at a frequency of 60 cycles per second. This means electrons flow one direction - then in the reverse direction - repeating this cycle 60 times every seco
The design that the system is able to handle total amperage needs.
13. What does an appliance need to function properly?
Amps or just A - is the measurement in units of the amount of electric current that flows. The rate of electron flow determines the number of amperes in a circuit. The rate of electron flow determines the number of amperes in a circuit.
Power which is watt.
Watt.
Voltage and current in a circuit. That is - voltage(in volts) times current (in amperes) equals power (in watts) P=E x I
14. What is Amperes?
Power which is watt.
When current flows - the resulting work is energy. Current flow tends to heat whatever its moving through - which is a useful characteristic of an appliance.
Amps or just A - is the measurement in units of the amount of electric current that flows. The rate of electron flow determines the number of amperes in a circuit. The rate of electron flow determines the number of amperes in a circuit.
The design that the system is able to handle total amperage needs.
15. What is the basic unit to measure electrical power?
Hertz - one cycle per second is equal to one hertz. Electricity is caused to flow through wires at a frequency of 60 cycles per second. This means electrons flow one direction - then in the reverse direction - repeating this cycle 60 times every seco
120/240 V service.
Watt.
A magnatic field is generated that makes the motor rotate - producing mechanical power.
16. What voltage are common electrical devices - designed to operate as?
Most common electrical devices are set to operate as 120/240 V.
The design that the system is able to handle total amperage needs.
The behavior of positive and negative charges is very similar to the behavior of the two poles in a magnet.
1000 watts
17. What is DC?
Hertz - one cycle per second is equal to one hertz. Electricity is caused to flow through wires at a frequency of 60 cycles per second. This means electrons flow one direction - then in the reverse direction - repeating this cycle 60 times every seco
Most common electrical devices are set to operate as 120/240 V.
Stands for direct current and it is when electrons move in one direction.
Voltage and current in a circuit. That is - voltage(in volts) times current (in amperes) equals power (in watts) P=E x I
18. What is 1 kilowatt equal too?
1000 watts
E stands for voltage in volts - I stands for current in amperes - and P stands for power in watts.
Most common electrical devices are set to operate as 120/240 V.
In units of Amperes
19. What is going on in a wire conductor with free electrons?
20. What is electricity really?
Stands for direct current and it is when electrons move in one direction.
Stands for alternating current and it is when electrons move in both directions.
From an electricians - pov - electricity is the movement of electrons. Electrons are atomic particles found in every substance. An electron has one main characteristic which is a negative electrical charge.
Voltage or electromotive force is pressure required to force electrons into a wire. Voltage is also measured in units called Volts.
21. What is the unit commonly used to measure electrical energy?
KW-H
Most common electrical devices are set to operate as 120/240 V.
Amps or just A - is the measurement in units of the amount of electric current that flows. The rate of electron flow determines the number of amperes in a circuit. The rate of electron flow determines the number of amperes in a circuit.
The basic unit used to measure electrical power.
22. What do you have to calculate to get the amount of electrical power?
A magnatic field is generated that makes the motor rotate - producing mechanical power.
From an electricians - pov - electricity is the movement of electrons. Electrons are atomic particles found in every substance. An electron has one main characteristic which is a negative electrical charge.
When current flows - the resulting work is energy. Current flow tends to heat whatever its moving through - which is a useful characteristic of an appliance.
You must multiply voltage ( involts) times current(in amperes).
23. What is a useful characteristic that can be used in an appliance?
When current flows - the resulting work is energy. Current flow tends to heat whatever its moving through - which is a useful characteristic of an appliance.
KW-H
Power which is watt.
Amps or just A - is the measurement in units of the amount of electric current that flows. The rate of electron flow determines the number of amperes in a circuit. The rate of electron flow determines the number of amperes in a circuit.
24. What happens when current passes through a motor's field coils?
Stands for direct current and it is when electrons move in one direction.
A magnatic field is generated that makes the motor rotate - producing mechanical power.
The design that the system is able to handle total amperage needs.
Electricity behaves as a water system. It must have pressure to push the water - and a drain to allow it to flow continuously.
25. How is current measured?
In units of Amperes
From an electricians - pov - electricity is the movement of electrons. Electrons are atomic particles found in every substance. An electron has one main characteristic which is a negative electrical charge.
Electricity behaves as a water system. It must have pressure to push the water - and a drain to allow it to flow continuously.
1000 watts
26. What do you need to take into account when installing a electrical system?
120/240 V service.
You must multiply voltage ( involts) times current(in amperes).
The design that the system is able to handle total amperage needs.
The behavior of positive and negative charges is very similar to the behavior of the two poles in a magnet.
27. How can electrons be forced to move?
Electrons can be forced to move by pushing more electrons to the wire. However - no electron can get into the wire unless an equal number of electrons is pushed out of the other end.
60 cycles per second.
The design that the system is able to handle total amperage needs.
Stands for direct current and it is when electrons move in one direction.