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If 1500 cfm of standard air is pushed through a 1x 72 slot what is the average slot velocity in feet per minute?
To calculate the average slot velocity in feet per minute (fpm), first convert the airflow from cubic feet per minute (cfm) to the area of the slot. The area of a 1-inch by 72-inch slot is 1/12 feet by 6 feet, which equals 0.5 square feet.
Using the formula:
[ \text{Velocity (fpm)} = \frac{\text{Airflow (cfm)}}{\text{Area (sq ft)}} ]
[ \text{Velocity} = \frac{1500 \text{ cfm}}{0.5 \text{ sq ft}} = 3000 \text{ fpm} ]
Thus, the average slot velocity is 3000 feet per minute.
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