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Author Question: When checking combustion efficiency, which measurement should be taken first? A) Draft B) Smoke ... (Read 50 times)

Pea0909berry

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on: Jul 24, 2018
When checking combustion efficiency, which measurement should be taken first?
 
  A) Draft B) Smoke C) Stack temperature D) Oxygen

Question 2

Which of the following overcurrent protection devices would be appropriate for an air-conditioning condensing unit whose rating plate says MAX FUSE or HACR CIRCUIT BREAKER 35 AMPS?
 
  A) A 35 A HCAR circuit breaker
  B) A 35 A circuit breaker
  C) A 30 A time delay fuse
  D) No fuse or circuit breaker is necessary; but if one is used, it cannot exceed 35 A.


fdliggud

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Reply #1 on: Jul 24, 2018
Answer to Question 1

C

Answer to Question 2

A


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