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Author Question: The sequence of operation for an oil burner is ________. A) the thermostat calls for heat, the ... (Read 47 times)

Evvie72

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on: Jul 27, 2018
The sequence of operation for an oil burner is ________.
 
  A) the thermostat calls for heat, the ignition spark is established, the furnace fan comes on, the main flame is established
  B) the thermostat calls for heat, the furnace fan comes on, the ignition spark is established, the main flame is established
  C) the thermostat calls for heat, the ignition spark is established, the main flame is established, the furnace fan comes on

Question 2

Control valves used for water coils are typically:
 
  A) Three-way valves. B) Either two-way or three-way valves.
  C) Four-way valves. D) Two-way valves.


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reversalruiz

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Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

B


Evvie72

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Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review

diana chang

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Reply 3 on: Yesterday
Gracias!

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