An air fi lter normally requires change after 100 hours of use when the pressure drop is 5cm. The fi
An air fi lter normally requires qualify following 100 hours of use when the constraining faint is 5cm. The fi lter is and is calculated for an air stream blame of 1.5m3/s. Compute the infl uence of increasing the air stream blame to 2.5m3/s on the personality of the fi lter.