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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 type of Voltage is required for new homes to have?
Electricity behaves as a water system. It must have pressure to push the water - and a drain to allow it to flow continuously.
Watt.
120/240 V service.
Most common electrical devices are set to operate as 120/240 V.
2. What is the unit commonly used to measure electrical energy?
1000 watts
The electrical current flow or amperage - the rate of electron flow that passes through a cross section of wire.
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.
3. What is the amount of power used over a period of time?
Watt.
Electricity behaves as a water system. It must have pressure to push the water - and a drain to allow it to flow continuously.
E stands for voltage in volts - I stands for current in amperes - and P stands for power in watts.
Energy
4. What happens when current passes through a motor's field coils?
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.
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
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.
5. What is going on in a wire conductor with free electrons?
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6. 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.
60 cycles per second.
Voltage and current in a circuit. That is - voltage(in volts) times current (in amperes) equals power (in watts) P=E x I
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
7. What does the positive-negative attraction relate too?
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.
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.
8. What is AC?
Power which is watt.
Stands for alternating current and it is when electrons move in both directions.
1000 watts
Energy
9. What type of system does electricity behaves as?
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
Electricity behaves as a water system. It must have pressure to push the water - and a drain to allow it to flow continuously.
In units of Amperes
You must multiply voltage ( involts) times current(in amperes).
10. What voltage are common electrical devices - designed to operate as?
You must multiply voltage ( involts) times current(in amperes).
Voltage or electromotive force is pressure required to force electrons into a wire. Voltage is also measured in units called Volts.
Most common electrical devices are set to operate as 120/240 V.
The basic unit used to measure electrical power.
11. What is the measurement unit of electron movement
Voltage and current in a circuit. That is - voltage(in volts) times current (in amperes) equals power (in watts) P=E x I
1000 watts
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
Power which is watt.
12. Electricity flows through wires In what frequency?
Stands for alternating current and it is when electrons move in both directions.
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.
Power which is watt.
13. What is the basic unit to measure electrical power?
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.
Electricity behaves as a water system. It must have pressure to push the water - and a drain to allow it to flow continuously.
Watt.
Stands for direct current and it is when electrons move in one direction.
14. What is WATT?
Watt.
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.
The basic unit used to measure electrical power.
Voltage or electromotive force is pressure required to force electrons into a wire. Voltage is also measured in units called Volts.
15. What is a useful characteristic that can be used in an appliance?
Electricity behaves as a water system. It must have pressure to push the water - and a drain to allow it to flow continuously.
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.
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
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.
16. What is voltage or electromotive force?
Voltage or electromotive force is pressure required to force electrons into a wire. Voltage is also measured in units called Volts.
Watt.
In units of Amperes
1000 watts
17. What is 1 kilowatt equal too?
The electrical current flow or amperage - the rate of electron flow that passes through a cross section of wire.
1000 watts
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.
Most common electrical devices are set to operate as 120/240 V.
18. Electrical Power is the product of what?
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.
In units of Amperes
The basic unit used to measure electrical power.
Voltage and current in a circuit. That is - voltage(in volts) times current (in amperes) equals power (in watts) P=E x I
19. What is the amperage that can be measured with a ammeter?
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.
120/240 V service.
The electrical current flow or amperage - the rate of electron flow that passes through a cross section of wire.
20. How can electrons be forced to move?
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.
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 behavior of positive and negative charges is very similar to the behavior of the two poles in a magnet.
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.
21. What do you have to calculate to get the amount of electrical power?
60 cycles per second.
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.
You must multiply voltage ( involts) times current(in amperes).
E stands for voltage in volts - I stands for current in amperes - and P stands for power in watts.
22. What is DC?
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.
The basic unit used to measure electrical power.
E stands for voltage in volts - I stands for current in amperes - and P stands for power in watts.
23. What do you need to take into account when installing a electrical system?
120/240 V service.
The design that the system is able to handle total amperage needs.
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.
Energy
24. What is Amperes?
120/240 V service.
In units of Amperes
Energy
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.
25. What is electricity really?
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.
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.
26. What does an appliance need to function properly?
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.
Watt.
Voltage and current in a circuit. That is - voltage(in volts) times current (in amperes) equals power (in watts) P=E x I
Power which is watt.
27. How is current measured?
Watt.
In units of Amperes
120/240 V service.
The design that the system is able to handle total amperage needs.