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BPI Test Questions with 100% Correct Answers Updated Types of window frames - Answer- In order of least thermal resistant to most resistant metal wood vinyl fiberglass National Fenestration Rating Council (NFRC) - Answer- energy efficiency information labels Solar heat gain coefficien...

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  • September 22, 2024
  • 19
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • BPI
  • BPI

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BPI Test Questions with 100%
Correct Answers Updated 2024-
2025
Types of window frames - Answer- In order of least thermal resistant to most resistant
metal
wood
vinyl
fiberglass

National Fenestration Rating Council (NFRC) - Answer- energy efficiency information
labels

Solar heat gain coefficient (SHGC) - Answer- measures how well a window blocks
radiant heat produced by sunlight. This is represented by a number between 0 and 1;
the lower the SHGC value, the less solar heat the window transmits into the home.

Visible transmittance (VT) - Answer- measures the mount of visible light the window
allows through it. expressed as a number b/w 0 and 1. The higher the VT value, the
more light is transmitted.

BPI is accredited by - Answer- the American National Standards Institute (ANSI)

BPI approved national standards include - Answer- Air Conditioning And Heat Pump
Professional
envelope Professional
building Analyst Professional
Heating Professional

Fiberglass Batt Insulation - Answer- Insulation help together with adhesives. faced: with
paper backing or Unfaced: without paper backing

How insulation works - Answer- slows heat transfer by trapping air in small pockets; it is
this trapped air that acts as the insulator. The heat is forced to conduct through the tiny
air pockets, rather than the fiberglass itself; this is a much slower process

Factors that affect fiberglass batt performance - Answer- gaps and voids, compression,
and poor contact

,Thermal Bridge - Answer- an area of high heat flow compared to an adjacent insulated
area

can be minimized with advanced framing techniques, adding continuous insulation, or
using thermal breaks (such as rigid foam board) to slow down conduction.

Rigid foam board - Answer- Air barrier: Covers large holes
Structural strength:
thermal break
Exterior sheathing: resists heat transfer

Active solar or Solar Thermal - Answer- uses solar energy to heat water

Solar Insolation - Answer- the amount of solar energy that hits one square meter of land
in a day (kWh/m2/day)

Rater Assesses (HES) - Answer- year built, number of bedrooms, number of stories
above grade, average ceiling height, conditioned floor area, and what direction the
house faces

Rater's ductwork assessment - Answer- location of ductwork
conditioned space?
vented crawlspace?
ducts sealed?

HES Insulation evaluation in five areas - Answer- roof
attic
foundation
walls
fenestration

Home performance - Answer- is the systematic approach to improving the comfort,
health, safety, energy efficiency, and durability of a home.

The Big 3: - Answer- Heat, Air and Moisture
Difference in temperature and humidity between areas inside the house, and between
the inside and the outside of the house, are exerting some sort of subtle influence on
the conditions in the home.

Home Performance also includes: - Answer- Occupant health and safety
Indoor air quality and occupant comfort
Durability of materials

Building Science - Answer- taken from physics chemistry and thermodynamics

, Whole-building home performance contractors - Answer- those professionals whose job
is to improve home performance - need to understand building science.

House-as-a-system: - Answer- holistic view: the whole-house approach and it's another
way to define building science

Four general categories of building science: - Answer- Building
Mechanicals
Environment
Occupants

Building Envelope: - Answer- Foundation
Walls
Roof
Windows
Doors

Mechanicals: - Answer- Heating and cooling and ventilation
Electrical Systems Lighting and appliances
Plumbing Systems

Environment: - Answer- in this context, refers to managing the indoor environment as
the exterior environment is changing (keeping the interior temperature and relative
humidity within acceptable levels, and ensuring indoor air quality with an adequate
amount of fresh air and little to no pollutant concentrations

Importance of Occupants at a component of buildings - Answer- Home performance
primarily deals with existing, occupied homes. Occupants are the beginning and the end
of the system: they may do things in a house that affect the other components, and they
are certainly on the receiving end when things like comfort and indoor air quality are
affected

Interacting relationship - Answer- an action taken on one component causes reactions
or changes in other components, or worsens certain pre-exiting conditions (and
increases their likelihood of producing negative effects

Ice dams - Answer- occurs when warm air melts snow on the roof directly above, but
does not melt snow on the overhangs. Water from the melted snow flows down into the
gutters, where it freezes. This prevents any further melting snow from draining properly.
Ice dams can damage the roof and everything beneath it.

Mechanical ventilation (bathroom fan) - Answer- could cause air pressure differences
between the inside and outside of the home. If air leakage is present, this could cause
the house to leak air at a faster rate, which, in turn, would create the need for the
thermostat to be adjusted more often

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