|
Title: Feet of water is a measure of _____. Post by: vgrdiver on Feb 23, 2018 Feet of water is a measure of _____.
a. head pressure b. column pressure c. dynamic pressure d. pipe friction [Ques. 2] How many wraps of duct tape must be made around a flexible duct when it is attached to a round collar? a. 1 b. 2 c. 3 d. 4 [Ques. 3] An advantage of using galvanized sheet metal over other materials when assembling a duct system is it _____. a. is very quiet b. is resistant to corrosion c. is the least expensive d. exhibits the lowest heat loss [Ques. 4] How much additional length must be added to 1 12 - inch thick insulation being wrapped around a rectangular duct? a. 6 inches b. 8 inches c. 10 inches d. 12 inches [Ques. 5] In which application is fibrous glass duct liner not approved? a. A residence b. A department store c. Hospital rooms d. A public building Title: Feet of water is a measure of _____. Post by: mburthay on Feb 23, 2018 Content hidden
|