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Author Question: Why are different heating elements in an electric furnace normally step sequenced? A) To avoid a ... (Read 60 times)

Davideckstein7

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on: Jul 26, 2018
Why are different heating elements in an electric furnace normally step sequenced?
 
  A) To avoid a large current draw at startup
  B) To prevent a blast of hot air coming out of the ducts on startup
  C) To match the number of active elements to the heat load
  D) To reduce the size power wire required for the furnace

Question 2

Inverters have what advantages?
 
  A) Independent electrode positive and electrode negative control
  B) Portability
  C) Greater efficiency
  D) All of the above


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emilymalinowski12

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Reply #1 on: Jul 26, 2018
Answer to Question 1

A

Answer to Question 2

D


Davideckstein7

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Reply 2 on: Jul 26, 2018
Gracias!

bigsis44

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Reply 3 on: Yesterday
Wow, this really help

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