13001.A-1

What does the transmission load (QTR) refer to?

• The thickness of insulating materials

• Heat conducted through insulating materials

• The temperature difference across materials

• The total energy consumption of a system

What is the unit for the Conductivity Value (k)?

• J/(s × m²)

• W/(m² × K)

• K/(m² × hr)

• Btu/(ft² × F° × hr)

How is the Conductance Value (c) calculated?

• c = k × Thickness

• c = k / Thickness

• c = 1 / R

• c = R × Thickness

What does a higher insulation R rating indicate?

• Better control of transmission load

• Lower energy efficiency

• Higher thermal conductivity

• Increased heat transfer

What is the formula to calculate the Overall Conductance Value (U)?

• U = RT × Thickness

• U = 1 / RT

• U = c / k

• U = k × R

If the c value for 4” of sand aggregate is 1.4, what is the k value?

• 5.6

• 1.0

• 2.8

• 4.0

What is the resistance value (R) of a material?

• The k value multiplied by thickness

• The total heat transfer area

• The reciprocal of its c value

• The thickness of the material

What is the formula to calculate Total Heat Transmission (QT) of a refrigerated room?

• QT = Total Area × U Factor × TD

• QT = Total Area + U Factor

• QT = Total Area / TD

• QT = U Factor × TD

What is the k value for concrete with a thickness of 1 inch?

• 5.0 Btu/(ft² • F° • hr)

• 3.5 Btu/(ft² • F° • hr)

• 2.0 Btu/(ft² • F° • hr)

• 4.5 Btu/(ft² • F° • hr)

What is the total heat transfer area of a room measuring 6 ft wide, 10 ft long, and 8 ft high?

• 400 ft²

• 300 ft²

• 480 ft²

• 376 ft²