How do you calculate the number of FPM represented by the green LEDs in the bar graph?

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Prepare for the IC "A" School Test on Airflow, H2S, and Refrigerants. Utilize flashcards and multiple-choice questions with detailed hints and explanations to ensure success. Get exam-ready today!

Multiple Choice

How do you calculate the number of FPM represented by the green LEDs in the bar graph?

Explanation:
The green LEDs are calibrated in fixed 5-FPM steps. Each LED represents 5 feet per minute of airflow, so to convert the ASP scale into an actual FPM value you divide the ASP setting by 5. This gives the airflow in feet per minute that the lit LEDs correspond to. The other approaches would misalign the fixed per-LED increment or reverse the relationship, so dividing ASP by 5 is the correct way to translate the bar graph reading into FPM.

The green LEDs are calibrated in fixed 5-FPM steps. Each LED represents 5 feet per minute of airflow, so to convert the ASP scale into an actual FPM value you divide the ASP setting by 5. This gives the airflow in feet per minute that the lit LEDs correspond to. The other approaches would misalign the fixed per-LED increment or reverse the relationship, so dividing ASP by 5 is the correct way to translate the bar graph reading into FPM.

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