Galvanized Sheet Metal Comes in Several Different Thicknesses, Called the ____________________

Q1: One reason for using an extended plenum

Q2: The pressure in a duct system is

Q3: Friction due to air rubbing the walls

Q4: The forced-air system is different from a

Q6: If the equivalent length of a transition

Q7: Explain the purpose of the supply duct.

Q8: A(n) _ can be connected to measure

Q9: A(n) _ºF temperature difference from the inside

Q10: The atmosphere exerts a pressure of _

Q11: If the velocity of air through an