To calculate the formula for duct sizing divide the room load by the whole house load. Next multiply those results by the equipment CFM.
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what r the advantages of side view of duct ? why we plot side view of duct ?
Sizes are seldom stated in terms of weight. They are usually stated in terms of body measurements: chest, weight, hips, etc. Stocking sizes are sometimes stated in terms of weight and height, however there is no standard sizing system and you would have to look at the size chart for each brand. Also, sizing may be different for men's and women's garments and also different for petite, tall, big and husky, etc. And not all manufacturers adhere to standard sizing. Formal wear especially seems not to follow standards.
You chose your wakeboard by your weight, not your height. Here's a sizing chart to use: http://www.sportsoutletusa.com/wakeboard_specs.php
In order to calculate the area of HVAC duct offset and elbow, one must first measure the distance between the two. Then the elbow must be larger than any cross section to maintain airflow.
width always comes first