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Electrical Troubleshooting Knowledge Check 2023

Electrical Troubleshooting Knowledge Check 2023

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Question 1 of 10

1. Question

If 746 watts equal 1 horse power on a 230 volt motor, How many watts would equal 1 horse power on a 120 volt motor?

1492 watts
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373 watts
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746 watts
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Question 2 of 10

2. Question

What is a rectifier used for?

Converting DC volts to AC volts
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Step down voltage
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Converting AC volts to DC volts
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A rectal examination
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Question 3 of 10

3. Question

Define a thermistor.

Temperature sensitive resistor
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Heat sink ground
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DC voltmeter
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Question 4 of 10

4. Question

When testing a hot surface ignitor, what Ohm reading is acceptable?

75-100Ω
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5-50Ω
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35-150Ω
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Question 5 of 10

5. Question

What is an acceptable voltage drop across a 2 pole 40 amp contactor?

10-15 volts
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0 volts
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Does not matter
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Question 6 of 10

6. Question

Which one of the following is not a known wiring method.

Parallel
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Skip trace
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Series
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Question 7 of 10

7. Question

What type of device is a 75va 230 volt control transformer?

Power passing
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Power consuming
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Power tripping
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Question 8 of 10

8. Question

A 140 degree limit switch is what type of device?

Power passing
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Power consuming
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Power tripping
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Question 9 of 10

9. Question

What is a capacitor used for on a fan motor?

Help stop vibration
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Add to the wiring diagram
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Multiply torque
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Question 10 of 10

10. Question

When working with electricity, what law do we follow?

Traffic law
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Einstein’s law
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Ohm’s law
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