BPI Building Science & Envelope

Question 1

What does the building envelope refer to?

Accepted Answer

Walls, roof, windows, and floors

Answer

Only the foundation

Answer

Just the roof

Answer

Only the insulation

Question 2

Why is air sealing important in building science?

Accepted Answer

Reduces air leakage and energy costs

Answer

Adds moisture

Answer

Promotes mold

Answer

Increases drafts

Question 3

What is thermal bridging?

Accepted Answer

Heat transfer through studs or framing

Answer

Cooling ducts

Answer

Sound transmission

Answer

Paint peeling

Question 4

Which material typically offers the best insulation?

Accepted Answer

Spray foam

Answer

Wood

Answer

Glass

Answer

Aluminum

Question 5

What role do windows play in energy performance?

Accepted Answer

Affect insulation and daylighting

Answer

Block all air

Answer

Reflect only noise

Answer

Serve only decorative purpose

Question 6

What is the function of vapor barriers?

Accepted Answer

Prevent moisture migration

Answer

Add humidity

Answer

Encourage mold

Answer

Cool the building

Question 7

What is stack effect?

Accepted Answer

Rising warm air and falling cool air

Answer

Fan failure

Answer

Window draft

Answer

Smoke accumulation

Question 8

Why are continuous air barriers essential?

Accepted Answer

Enhance energy efficiency and durability

Answer

Cause leaks

Answer

Restrict ventilation

Answer

Block sunlight

Question 9

How does insulation improve a building’s performance?

Accepted Answer

Minimizes energy transfer

Answer

Weakens walls

Answer

Increases noise

Answer

Adds structural strength