CEA 2.2.3 Heat Loss/Gain Flashcard

Front

When calculating the total transmission load of a wall assembly in Memphis TN with a desired temperature of 72°F, what is the value used for the change in summer temperature (\(\Delta T\))?

Back

23

Front

Using the chart above, what is the value used to determine the R-Value of wall containing 6" brick?

Back

1.20

Front

Using the chart above, what value is used to determine the R-Value of 2 single-glazed windows?

Back

0.88

Front

Using the chart above, what is the value used to determine the R-Value of a wall containing 3/4" drywall?

Back

0.675

Front

What is the U-Factor of a double-glazed window that has a R-value of 1.67?

Back

0.599

Front

Using the information above, what is the R-Value for the wall that would result in a total heat transmission load of 368.0 Btu/H? Remember: \(\Delta\)

Back

16

Front

Using the diagram above, what is the R-Value for the entire Wall Assembly if the R-Value for Gypsum Wall Board is 0.9 per inch, Rigid Insulation Board is 5.0 per inch and the Clapboard Siding is 1.2 per inch?

Back

22.55, 22.6

Front

Using the information in the chart above, which insulation choice has the Highest U-Factor? Options: 4.5 inches of batt insulation, 3.5 inches of rigid board polystyrene, 4 inches of batt insulation, 4 inches of rigid board polystyrene

Back

3.5 inches of rigid board polystyrene

Front

What value would be used for the area of a 16' x 8' wall containing 2 windows that measure 2' x 3'?

Back

116 square feet

Front

Using the information in the chart above, determine the total R-Value for the Roof Assembly. Assume Sheathing is 1/2"

Back

23.33, 23.3