If the equivalent length of a transition piece of ductwork is 10 feet and the main duct in series with it is 20 feet, what is the length used to estimate the total frictional loss?
1 answer
The equivalent length of the transition piece of ductwork should be added to the length of the main duct to estimate the total frictional loss. Therefore, the length used to estimate the total frictional loss would be 30 feet (10 feet + 20 feet).