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Author Question: The two most common categories of gas-fired furnaces are: A) Category I and Category IV. B) ... (Read 29 times)

mikaylakyoung

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on: Jul 24, 2018
The two most common categories of gas-fired furnaces are:
 
  A) Category I and Category IV. B) Category II and Category III.
  C) Category I and Category II. D) Category III and Category IV.

Question 2

The two basic types of fans used in most air-handling units are:
 
  A) Centrifugal and axial.
  B) Positive pressure and negative pressure.
  C) Reciprocating and orbital.
  D) Clockwise rotating and counterclockwise rotating.


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maaaaaaaaaa

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

A

Answer to Question 2

A


mikaylakyoung

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Reply 2 on: Jul 24, 2018
Wow, this really help

irishcancer18

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Reply 3 on: Yesterday
Excellent

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