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Author Question: You are using the static pressure drop method to check airflow. After making an adjustment to the ... (Read 97 times)

tth

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on: Jul 24, 2018
You are using the static pressure drop method to check airflow. After making an adjustment to the system airflow, the static pressure drop across the coil increases. This indicates that:
 
  A) The evaporator coil became clogged during the adjustment period.
  B) The airflow has increased.
  C) Static pressure drop is not a reliable way to check system airflow.
  D) The airflow has decreased.

Question 2

How are water pumps in hydronic heating systems checked?
 
  A) By measuring the water flow in the system
  B) By measuring the pump motor RPM using a digital tachometer
  C) By measuring the impeller RPM using a stroboscope
  D) By measuring the temperature of the pump motor


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mfedorka

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

B

Answer to Question 2

A


tth

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Reply 2 on: Jul 24, 2018
YES! Correct, THANKS for helping me on my review

skipfourms123

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Reply 3 on: Yesterday
Wow, this really help

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