Deck 16: Insulation and Ventilation

Question 1

If insulation looks neat, tight, and full, it is more likely to perform as expected.

Answer 1

True

Question 2

Air-insulation dams are installed to protect the insulation from ____.

A) air infiltration
B) water vapor
C) corrosion
D) fire

Answer 2

A

Question 3

Airtight construction techniques also serve as a vapor retarder (barrier).

Answer 3

True

Question 4

A popular type of vapor retarder is ____, a transparent plastic sheet available in rolls.

A) polyamide
B) elastomer
C) polyethylene
D) acrylic

Question 5

All insulating materials are manufactured from materials that are themselves poor insulators.

Question 6

____ insulation is supplied in bags or bales and placed by pouring, blowing, or packing by hand.

A) Reflective
B) Rigid
C) Flexible
D) Loose-Fill

Question 7

Insulation becomes more effective as the air spaces become smaller and greater in number.

Question 8

In a well-ventilated area, any condensed moisture is removed by ____.

A) convection
B) condensation
C) conduction
D) evaporation

Question 9

The type of insulation that requires a 3 / 4 inch space between other materials and itself is _____.

A) rigid
B) reflective
C) loose-fill
D) foamed-in-place

Question 10

Water vapor tends to condense onto warmer surfaces.

Question 11

Extruded polystyrene insulation boards lose the ability to insulate after coming into contact with water.

Question 12

The largest percentage of heat loss for a typical house with moderate insulation comes __________.

A) through frame walls
B) through basement walls
C) from air leakage through walls, windows, and doors
D) through ceilings

Question 13

The structural material which has the best insulative properties is ______.

A) wood
B) aluminum
C) concrete
D) steel

Question 14

For crawl spaces, usually rectangular metal or plastic louvered ventilators are used.

Question 15

Insulation actually can pay for itself.

Question 16

At the ____ point, air is completely saturated with moisture.

A) dew
B) condensation
C) freezing
D) boiling

Question 17

____ foams have the best R-value per inch.

A) Polystyrene
B) Polyurethane
C) Polyvinyl chloride
D) Polycarbonate

Question 18

Air leakage is the major cause of moisture getting into the insulation layer.

Question 19

Air is what makes most insulations work well as insulation.

Question 20

A(n) ____-value indicates a material's ability to resist heat transfer.

A) D
B) L
C) R
D) Z

Question 21

Ventilation removes condensation by a process called __________.

Question 22

Liquid water can enter a building at the eaves in the winter if __________ form on the roof.

Question 23

The best way to vent an attic is with __________.

Question 24

The material installed above insulation at the eave to allow air movement is called __________.

Question 25

A way to remember the methods of heat transfer is to consider the way that __________ may be cooked.

Question 26

Use only low expanding _______ on windows.

Question 27

Heat transfer caused by fluid movement is called __________.

Question 28

The fact that heat energy tends to migrate to cold is an example of __________.