This week’s blog is an energy efficiency and building science quiz. Remember, using Google for research is cheating. Answers are at the bottom of the page.
1. During the winter, a home inspector climbs into an attic and notices that the underside of the roof sheathing is covered with frost and the rafters have stains indicating mold. The most likely cause of these problems is:
a. A roof leak
b. Insufficient insulation on the attic floor
c. Air leakage paths between the wet basement and the attic.
d. Bats or squirrels.
2. Which siding type is associated with more cases of wall rot: vinyl siding or stucco?
a. Vinyl siding
3. To calculate air changes per hour at 50 Pascals:
a. Divide CFM50 by the building volume.
b. Multiply CFM50 by 60 and divide by the building volume.
c. Multiply CFM50 by 50 and divide by the building volume.
d. Call up a HERS rater and ask.
4. Who first suggested that the solution to energy shortages is “Drill, baby, drill”?
a. RNC chairman Michael Steele
b. Senator John McCain
c. Former Alaska governor Sarah Palin
d. Joe the Plumber.
5. Icynene spray polyurethane foam:
a. Is a good air barrier but not a vapor barrier.
b. Is a good vapor barrier but not an air barrier.
c. Is a good vapor barrier and an air barrier.
d. Can be used to repair holes in sofas and mattresses.
6. Of the following building scientists working in the U.S., who is the only one who was born in this country?
a. Wagdy Anis
b. Mark Bomberg
c. Eric Burnett
d. Andre Desjarlais
e. Achilles Karagiozis
f. Joseph Lstiburek
g. Iain Walker
h. Anton TenWolde
7. The blower door was independently and simultaneously invented by:
a. The “Princeton House Doctors” and Harold Orr
b. Max Sherman and Jim…