Deck 19: Weatherization Installation, Maintenance, and Repair

Question 1

Termites and surface water pose a bigger hazard to houses with crawlspaces than those built on a slab.

Answer 1

False

Question 2

A recovery system (Figure 19-19) uses the heat from the drain water to heat the water entering the water heater, thus reducing the amount of energy necessary to heat and maintain the water in the water heater storage tank.

Answer 2

True

Question 3

For most attics, a depth of _____ is recommended.

A) 1 foot
B) 18 inches
C) 10 to 14 inches
D) 18 to 24 inches

Answer 3

C

Question 4

Controlling airflow into a structure and controlling airflow from room to room are both very important.

Question 5

The most efficient means of determining air leaks in a structure is by performing a smoke test.

Question 6

The R-value of _____ loose-fill insulation is 2.2 to 2.7 per inch, and 17 inches are needed to achieve the same effect as R-38.

A) cellulose
B) fiberglass
C) rock wool
D) cardboard

Question 7

Lowering the water temperature to 120°F can result in the average homeowner saving approximately _____ per year.

A) $30 - $40
B) $50 - $75
C) $100 - $125
D) $150 - 175

Question 8

_____ of the energy used in the production of hot water in a residential structure goes down the drain in the form of drain water.

A) Up to 90%
B) More than 90%
C) At least 95%
D) No more than 50%

Question 9

A water heater blanket has the potential to reduce annual utility bills because of a reduction in energy used to heat hot water of approximately _____ .

A) 75%
B) 25% - 30%
C) 17% - 21%
D) 4% - 9%

Question 10

Determining the amount of weather stripping needed to seal around all of the windows is accomplished by adding the perimeters of all the windows together, plus an additional _____ for waste.

A) 10 percent
B) 3 feet
C) 15 percent
D) 3 meters

Question 11

_____ is a type of foam board that is used in everything from coffee cups to insulation and typically ranges from 3.8-R per inch of thickness to approximately 4.4-R per inch of thickness.

A) Polyisocyanurate and polyurethane foam board
B) Expanded polyisocyanurate polystyrene foam board
C) Molded expanded polystyrene (MEPS) foam board
D) Extruded expanded polystyrene foam board

Question 12

Depending upon the age of the structure and its geographic location, the removal and disposal of building insulation may be restricted to licensed technicians.

Question 13

Which of the following statements regarding mold is correct?

A) Mold does not a cause long-term health problems in humans.
B) Mold must be ingested to affect health.
C) There are only 4 known species of mold in the U.S.
D) Mold produces spores instead of seeds.

Question 14

When adding insulation to an attic, it is necessary to use the same type of insulation that is currently used in the attic.

Question 15

In moderate climates, the air inside structures does not need conditioning.

Question 16

Exposure to fiberglass insulation will not cause long-term negative health effects.

Question 17

The _____ system of ductwork is particularly well-suited for structures that incorporate a concrete slab construction in colder climates.

A) plemum
B) perimeter loop
C) extended plenum
D) reducing extended plenum

Question 18

The average life expectancy of a water heater is approximately 13 years.

Question 19

If at all possible, try to install a blower door system in a doorway containing stairs.

Question 20

_____ is water that goes down the drain in kitchen and bathroom sinks.

A) Blackwater
B) Graywater
C) Clean water
D) Brown water