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Author Question: A technician takes the following readings while checking the operation of an electric furnace with ... (Read 160 times)

WhattoUnderstand

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on: Jul 26, 2018
A technician takes the following readings while checking the operation of an electric furnace with two heat strips: 220 V, 36 A, 70F return air temperature, and 120F supply air temperature. What is the airflow through the furnace?
 
  A) = = 540 CFM B) = = 158 CFM
  C) (120  70 )  1.08  10 = 540 CFM D) = = 500 CFM

Question 2

An anemometer is used to measure:
 
  A) Feet of water for water flow calculations. B) Volume of air for air volume calculations.
  C) Feet of air for air velocity calculations. D) Rotational speed.


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Andromeda18

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

D

Answer to Question 2

C


WhattoUnderstand

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Reply 2 on: Jul 26, 2018
YES! Correct, THANKS for helping me on my review

jamesnevil303

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Reply 3 on: Yesterday
:D TYSM

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