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

Exam (elaborations)

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

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  • Course
  • ESCO
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  • ESCO

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

Preview 3 out of 19  pages

  • October 8, 2024
  • 19
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • ESCO
  • ESCO
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Electric Heat ESCO - HVAC Excellence Exam.pdf file:///C:/Users/HP/Desktop/New%20fl/Electric%20Heat%20ESCO




Electric Heat ESCO - HVAC Excellence Exam



1. Before working on an electric furnace the tech should

Answer Review diagram, remove jewelry, and follow safety procedures. ALL OF THE

ABOVE.



2. A GFCI circuit breaker

Answer detects current leaks to ground



3. the conductor in an electric heat element is usually made of

Answer Nichrome



4. An example of resistive load is

Answer crankcase heater



5. an example of an inductive load is

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Answer motor



6. an electric furnace is marked 208/230 single phase 60Hz A tech reads 200 vac at the

power supply and determines

Answer the voltage is too low



7. voltage imbalance between any leg of 3 phase power supply may not exceed

Answer 2%



8. the limit switch on an electric furnace is a

Answer Automatic reset switch



9. the sequencer timers on electric heater will usually energize the 1st heating element

after a time delay of

Answer 1 to 30 sec



10. the amount of btus produced by 1 watt of electricity is

Answer 3.413 btus
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11. a tech reads 60 amps with a clamp on amp meter on a forced air furnace. the supply

voltage is 230 volts AC, approx how many watts is the furnace using

Answer 13,800



12. a furnace is using 15,500 watts approx Kw

Answer 15.5 Kw



13. a sequencer timer use to close the contact points to the heater

element

Answer heated snap-discs or bi-metal strips



14. an electric furnace heating thermostat must

Answer open on rise close on drop



15. a standard thermostat heat anticipator is and wired in with the

heating control

Answer adjustable/series
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