48 Questions
Which organization developed the national market for building energy rating systems and energy efficient financing opportunities?
RESNET
What is the purpose of the HERS Index?
To compare the energy performance of different homes
What is the role of the HERS Index in mortgage financing?
To enable mortgage financing for energy retrofits
Which of the following is NOT a purpose of a home energy assessment?
To determine the energy costs of a home
Which type of energy assessment involves the use of diagnostic testing equipment?
Certified HERS Rater
What is the role of a Certified HERS Modeler?
To create and edit rating models for HERS rating purposes
What is one of the capabilities of a Certified Rating Field Inspector?
Conducting visual inspections of homes
What is the purpose of RESNET's standards?
To provide a standardized process for conducting energy audits
What is the role of the Executive Director in RESNET?
To oversee the day-to-day operation and management of the organization
What is the difference between an energy audit and an energy rating?
An energy audit assesses a home's energy performance, while an energy rating provides a comparative analysis
What percentage of residential energy consumption is attributed to heating and cooling?
54%
Which of the following is NOT a potential moisture issue that should be identified?
High humidity levels
What can be identified as evidence of combustion appliance safety hazards?
All of the above
What should be identified as potential problems related to poor indoor air quality (IAQ)?
All of the above
What information should be collected in enough detail to allow for efficiencies and performance factors to be derived for windows, doors, and skylights without NFRC labels?
All of the above
Which of the following is NOT a way in which buildings use energy?
Heating and cooling
What is the source of more than 99% of the energy we use?
The sun
What are the three ways in which heat travels from areas of high temperature to areas of lower temperature?
Conduction, convection, and radiation
Which of the following is a driving force of air movement in buildings?
Stack Effect
What is the purpose of a continuous and effective air barrier in a building?
To prevent migrating air from convecting heat
Which building component is often a major source of energy problems?
Windows
Which of the following is NOT a common structural material in many larger multifamily buildings?
Glass
What is the main purpose of weatherization in existing buildings?
To protect the building from deterioration
What is the dominant energy cost in high-rise buildings?
Cooling
Which of the following is NOT a pathway for heat transmission and air leakage in buildings?
Elevator shafts
What is the purpose of attic ventilation in modern homes?
To prevent moisture buildup
Which of the following is NOT a component of a vented attic system?
HVAC system
What is the purpose of a header in a wall built for windows and doors?
To support the load above the opening
What is the purpose of jack studs in relation to a rough opening?
To support the header
What is the purpose of a saddle in a window rough opening?
To support the weight of the window
Which of the following is NOT a disadvantage of uPVC doors?
uPVC doors are prone to rust and corrosion.
Which material is the most expensive to manufacture for doors?
Wood
Which foundation type is used in areas where the ground does not freeze?
Slab on Grade
Which type of foundation requires additional support walls beneath the interior of the house?
Crawl Space
Which of the following is the formula to calculate the circumference of a circle?
C = 2πr
What is the formula to calculate the volume of a three-dimensional object?
V = πr^2h
What is the Pythagorean theorem equation used to find the length of the hypotenuse of a right triangle?
a^2 + b^2 = c^2
Which of the following is true about energy retrofits in a house-as-a-system approach?
Energy retrofits to one component can affect other components in unintended ways
What are heating degree-days?
A measure of how much heating is needed to maintain a comfortable indoor temperature during the winter
How are cooling degree-days calculated?
By totaling up daily degree-day values for days when the average temperature was above the cooling balance point
Which of the following is a use of heating degree-days?
Comparing energy efficiency of different buildings
What was the purpose of introducing the concept of degree-days in the 1940s?
To measure energy consumption for heating and cooling
Why is the use of degree-days becoming increasingly important?
Due to climate change and greater energy demand for heating and cooling
What are the main structural materials in many larger multifamily buildings?
Concrete and steel
Which of the following is NOT a pathway through which heat transmission and air leakage occur in buildings?
Windows and doors
What is the primary factor determining comfort in a building?
Air temperature
What is the purpose of low-e (low emissivity) glass?
To decrease the glass's emittance
What is the purpose of a radiant barrier in insulation materials?
To reduce radiation heat loss
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