comp 13-14

Where are air supply registers are typically placed

• on the floor along an interior wall

• on the floor below windows

• On the ceiling along an interior wall

• On the celling above windows

The best location for a thermostat is near:

• The front door for convenience d. an exterior wall

• The return air register

• The supply air register

• None of the above

What is the unit of measure of heat

• Grain

• Btu

• R factor

• U factor

Air conditioning systems need compressors primarily:

• To circulate refrigerant through the system

• c. To change the temperature of the refrigerant

• b. To circulate the conditioned air through a central forced-air system

• d. None of the above

Duct labeled 22/12 is

• 22 inches deep

• 22 square inches in cross section

• 12 inch diameter- 22" Long

• 22 inches wide

What is an appropriate scale for an HVAC detail?

• 1/4" = 1'-0" (1:50)

• 6” = 1’-0” (4:2)

• 1"=1'-0"

• none of the above

The abréviation _____ indicates the rate of air flow:

• CFM

• RA

• WA

• AFR

Identify "AA" in the adjacent example Air flow direction

• Up lift Indicator

• Air flow direction

• Upper duct level

• None of these

When using a “Split Unit” the Heating Unit is Located Where

• Inside

• Outside

• On the roof

• All of the above

What is a duct?

• air supply register

• air return register

• air supply register (diffuser)

• air return register (diffuser)