An auxiliary drain pan under the unit is recommended when th… An auxiliary drain pan under the unit is recommended when the evaporator is installed ____. Read Details
Oversized duct systems cost more to fabricate and install an… Oversized duct systems cost more to fabricate and install and will also result in the slowing of the air as it flows through the duct. Read Details
What fastener is commonly used with round flexible duct? What fastener is commonly used with round flexible duct? Read Details
The atmosphere exerts a pressure of ____ at standard atmosph… The atmosphere exerts a pressure of ____ at standard atmospheric conditions. Read Details
The simple way to check for airflow is to see if you can fee… The simple way to check for airflow is to see if you can feel the airflow at a distance of about ____ from each register. Read Details
Duct systems can be plenum, extended plenum, reducing plenum… Duct systems can be plenum, extended plenum, reducing plenum, or perimeter loop. Read Details
One reason for using an extended plenum system is to ____. One reason for using an extended plenum system is to ____. Read Details
The duct pressure equals the velocity pressure plus static p… The duct pressure equals the velocity pressure plus static pressure. Read Details
Airflow pressure in ductwork is measured in inches of ____. Airflow pressure in ductwork is measured in inches of ____. Read Details
To fasten a duct hanger strap to a floor joist, the nail use… To fasten a duct hanger strap to a floor joist, the nail used would be a ____. Read Details