Esco Electrical Test | 100% Correct
Answers | Verified | Latest 2024 Version
What is current flow? - ✔✔D.The flow of electrons in a circuit
What is impedance? - ✔✔A.Opposition to alternating current
Like charges will - ✔✔B.Repel each other
Any material that will readily release electrons is called: - ✔✔B.A conductor
The symbol for current is: - ✔✔B. I
Electricity can produce: - ✔✔D. All the above
light
heat
magnetism
The safety ground conductor is usually colored: - ✔✔B.Green
An electron has: - ✔✔B.A negative charge
Which of the following materials would be best suited for use as a semi-conductor? - ✔✔D.Silicon
Which of the following meters must use internal power to check a load or circuit? - ✔✔A.Ohmmeter
What would be the result if a 24 volt, 20 ohm contactor coil was wired in series with a 24 volt, 200 ohm
control relay? - ✔✔B.Only the control relay would operate
, Three defrost heaters, each 15 ohms, are wired in parallel to a 120 volt power supply. How many Watts
are consumed? - ✔✔C. 2880
When testing a capacitor with an analog or digital ohmmeter, the meter should: - ✔✔B.Measure low
resistance then return to a high reading
How much resistance must be placed in a 120 volt circuit to limit the current to 2 amps? - ✔✔A.60 ohms
What is resistance? - ✔✔A.Opposition to electron flow
In electrical wiring, a black colored wire indicates: - ✔✔A. A hot conductor
How many watts are used by a heater operating on 460 volts and drawing 5 amps? - ✔✔D .2300
How are fuses sized? - ✔✔D .Both A and B
What is generally considered the maximum allowable supply voltage variation - ✔✔A.5%
Capacitors are rated in: - ✔✔D .Both B and C
What is the term used to describe the output side of a transformer? - ✔✔D .Secondary side
One horsepower is equal to ______ watts. - ✔✔B. 746
A parallel circuit contains an 18 ohm and a 9 ohm resistor. What is the total resistance? - ✔✔A.6 ohms
In a series circuit, the voltage drop across each load will: - ✔✔D .Add up to equal the source voltage
Answers | Verified | Latest 2024 Version
What is current flow? - ✔✔D.The flow of electrons in a circuit
What is impedance? - ✔✔A.Opposition to alternating current
Like charges will - ✔✔B.Repel each other
Any material that will readily release electrons is called: - ✔✔B.A conductor
The symbol for current is: - ✔✔B. I
Electricity can produce: - ✔✔D. All the above
light
heat
magnetism
The safety ground conductor is usually colored: - ✔✔B.Green
An electron has: - ✔✔B.A negative charge
Which of the following materials would be best suited for use as a semi-conductor? - ✔✔D.Silicon
Which of the following meters must use internal power to check a load or circuit? - ✔✔A.Ohmmeter
What would be the result if a 24 volt, 20 ohm contactor coil was wired in series with a 24 volt, 200 ohm
control relay? - ✔✔B.Only the control relay would operate
, Three defrost heaters, each 15 ohms, are wired in parallel to a 120 volt power supply. How many Watts
are consumed? - ✔✔C. 2880
When testing a capacitor with an analog or digital ohmmeter, the meter should: - ✔✔B.Measure low
resistance then return to a high reading
How much resistance must be placed in a 120 volt circuit to limit the current to 2 amps? - ✔✔A.60 ohms
What is resistance? - ✔✔A.Opposition to electron flow
In electrical wiring, a black colored wire indicates: - ✔✔A. A hot conductor
How many watts are used by a heater operating on 460 volts and drawing 5 amps? - ✔✔D .2300
How are fuses sized? - ✔✔D .Both A and B
What is generally considered the maximum allowable supply voltage variation - ✔✔A.5%
Capacitors are rated in: - ✔✔D .Both B and C
What is the term used to describe the output side of a transformer? - ✔✔D .Secondary side
One horsepower is equal to ______ watts. - ✔✔B. 746
A parallel circuit contains an 18 ohm and a 9 ohm resistor. What is the total resistance? - ✔✔A.6 ohms
In a series circuit, the voltage drop across each load will: - ✔✔D .Add up to equal the source voltage
