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ESCO HVAC Excellence - ELECTRICITY Exam (2024 / 2025) Questions with Verified Answers, 100% Guarantee Pass Score $12.99   Add to cart

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ESCO HVAC Excellence - ELECTRICITY Exam (2024 / 2025) Questions with Verified Answers, 100% Guarantee Pass Score

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ESCO HVAC Excellence - ELECTRICITY Exam (2024 / 2025) Questions with Verified Answers, 100% Guarantee Pass Score

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  • October 8, 2024
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  • 2024/2025
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ESCO HVAC Excellence - ELECTRICITY Exam.pdf file:///C:/Users/HP/Desktop/New%20fl/ESCO%20HVAC%20Excel




HVAC Excellence - ELECTRICITY Exam



1. Current flow is

Answer The flow of electrons in the circuit.



2. Impedance is

Answer Opposition to alternating current flow.



3. Like charges;

Answer repel each other.



4. Any material that will readily release electrons is called;

Answer A conductor



5. The symbol for current is;

Answer I

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6. Which of the following materials would be best suited for use as a semi-con-ductor?

Answer silicon



7. The safety ground conductor is usually color coded;

Answer green or bare.



8. An electron has;

Answer a negative charge.



9. Resistance is

Answer Opposition to current flow.



10. How many watts of power are used by a heater operating at 240 volts anddrawing 5

amps?

Answer 1200 watts



11. Which of the following meters must use its internal power to check a loador circuit?
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Answer Ohmmeter



12. In electrical wiring, a black colored wire in an alternating current circuitusually

indicates;

Answer the hot conductor.



13. Fuses are sized by

Answer Volts & Amps



14. What would be the result, if a 24 volt, 20-ohm low voltage conta ctor coil were wired

in series with a 24 volt, 200-ohm control relay coil?

Answer Only the controlrelay would operate.



15. Three defrost heaters, each 15 ohms are wired in parallel to a 120 voltpower

supply. How many watts of power will be used?

Answer 2880 Watts



16. Which of the following is generally considered to be within the maximumallowable
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