ARCH 208 FINAL EXAM

It costs more money to design and build a green home.

False

Plainsawn lumber cut farthest from the center of the timber is less likely to cup.

False

What is a wood board typically used for in a building?

Siding

Identify the element in which key note #4 is pointing.

Sill

This is one of the newest types of engineered lumber used today.

True

Warm air rises, cold air falls.

True

Wood is a naturally grown material that is renewable, recyclable, and compostable requiring little processing.

True

Structural concrete floors and beams supporting a building are a static load.

True *Static Loads is a load that doesn't change overtime

In the Ted Talk by Bill McDonough, he talks about an idea called "Cradle to Cradle." What is main principle behind his philosophy?

Waste=Food

The failure depicted in the image below is an indication that ________ is occurring in foundation system.

Differential settlement

According the the International Energy Conservation Code (IECC), how much insulation is required in an attic in a residential building (R) of a building located in climate Zone 3? (Refer to Link)

R-38

Understanding the solar geometry of a building site helps to

Reject heat Retain heat

Which typology of housing below best achieves a high density of residents, thus reducing a project footprint?

Multifamily housing

How many studs would you need to fully support a section of wall sheathing that was four feet wide and eight feet tall. Assume a module of 16" oc is specified and the sheathing is 1/2" thick?

2 studs

Typically, it is preferable to build on previously undeveloped land because it is easier to provide sustainable building features and better connect the building and its users with the environment.

False

A common practice in residential construction is the use of double ____ headers at all door and window openings, often with 2x4s nailed to the top and bottom with a space in the middle.

2x10

Wood building materials are manufactured into specific modules. Plywood is manufactured into what general width/length size sheet?

4' x 8'

Buildings consume approximately ________ of the energy produced in the United States for heating, cooling, cooking, water heating, and operating electrical devices.

40%

What is the main purpose of the collar tie in the image below?

Keep the bottom of the rafter from moving off the top plate

The picture below represents the following material:

LVL

The best and most efficient orientation for a home built in our region as it relates to energy consumption is___________.

long axis predominately east-west

This element below is commonly referred to as a _____.

Joist hanger

Pressure treated wood relies heavily on which element?

Copper

Hydrostatic pressure is a dynamic load.

True

Wind energy has these drawbacks:

Intermittent High investment cost

Which foundation is the best choice when there are large trees close to the house?

Pier

Moisture can be considered a pollutant in a building.

True

Benefits of petroleum energy are:

Wide range of mature technology and infrastructure Reliable

Of the choices below, which three are the primary sources of wood building materials?

second-growth forest plantation forest old-growth forest

Which force is considered a turning stress?

Moment

It is estimated that the average daily water use in the United States is ________ gallons of water per person, per day.

600

The picture below represents the following material:

Plywood

What insulation type is shown in the image below?

Polyiso

Which is the most common module spacing in traditional platform framing?

16" oc

In the traditional project delivery model

The architect is not contractually connected to the contractor

____ construction, also known as post-and-beam construction, dates back thousands of years.

Timber frame

A PSL can only be used as a column.

False

____________ is the loss of friction between soil granules due to seismic or moisture saturation.

Liquefaction

A tree that sheds its leaves annually, or ________ trees, are useful tools for solar gain control.

deciduous

The dark, circular shape spot on the picture below is a:

knot

What is the triple bottom line?

A product or material that positively impacts socially, economically, and environmentally

Which insulation has the highest R-value per inch?

Polyisocyanurate (Polyiso)

The image below is an example of ____?

Grouting

What fastener is pictured below?

Lag bolt

Select the items below that are considered "defects" of wood material.

Cup Rot Knot Twist

Which is not considered a dynamic load on a structure?

Dead Load *Dynamic Loads is a live load, meaning it can move

When creating a sustainable structure the following should be considered:

Deconstruction Construction Operation Siting

Soils with great bearing capacity typically exhibit the following physical characteristics:

Dense Low moisture Coarse grain

What is the purpose of a Geotechnical Report?

Determines soil moisture Determines soil density Determines soil type

The image below is an example of ____?

Dynamic compaction

Which of the following is an energy efficiency program developed by the EPA?

ENERGY STAR

What foundation type is depicted below?

Piles

Since 1950, the average size of the American home has doubled in square footage.

True

Which is not considered a positive attribute of single layer timber wall?

frequent maintenance and re-application of stain/coatings mitigate against UV degradation

The FSC provides strict requirements and regulations for how forests are:

harvested protected for human livelihood protected ecologically protected from converting forest to monocultures

Why are there spaces in between the lumber shown in the image below?

Allows for even drying

Where would "pressure treated lumber" likely be used in residential construction?

At locations where the wood element is likely to be subjected to bulk water and moisture

What is the foundation system in the process of being constructed in the image below?

Caisson

A __________________ is a rectangular molded concrete block manufactured typically manufactured with hollow cores which can be used for grouting, reinforcing or insulation.

Concrete masonary

The footing system shown in the picture below is a ______?

Continuous spread footing

Buffer spaces are best located on the south facade to keep sun light from entering a building.

False

Closed-cell spray foam is a vapor permeable insulation.

False

Cradle to Cradle product certification was the first program in the United States to identify Greenwashed products the U.S. consumer.

False

Fiberglass batt insulation provides is the best at eliminating gaps and cannot be compressed within the stud bay of the wall assembly.

False

In the Ted Talk on Cradle to Cradle design Bill McDonough states that society should not be farming the land for more than 40 centuries because of pollution.

False

Oversizing mechanical equipment for heating/cooling a building is a sustainable design practice.

False

Wood is dressed to its final length, width and depth prior to drying.

False

We should always Build Right, Ventilate Tight.

False *Build tight, Ventilate right

The Phoenix Central Library minimizes solar gain by placing large, sunscreening louvers on the West and East sides of the building.

False *The North and South use louvers to shade the glass walls, while the East and West facades are primarily solid, placing the buffer spaces in these locations to minimize solar heat gain.

For wood to decay, what below is required?

Food source Moisture Suitable temperature Air

Which materials below can be used for air sealing?

Gaskets Spray foam Caulk

Which foundation type below is not typically used in residential construction?

Geodesic

____________ is the buildup of heat in an interior space caused by energy input through a transparent membrane such as glass.

Greenhouse effect

Solar power, while considered a renewable resource has these drawbacks:

High up-front cost Intermittent Use of expensive and rare materials

Why might you select this fastener shown below?

It has a better hold capability in wood

Which element is horizontal "workhorse" in wood frame structure?

Joist

When selecting insulation for a project, which primary factors should be taken into consideration:

Location in the building and the environment in which it will be exposed First cost relative to anticipated energy savings for the building Performance and effectiveness to resist heat transfer Installation method

Plywood sub-flooring is typically installed ______?

Long side of the plywood sheet perpendicular to joist direction

Who are the members of the "Circle of Mediocrity?"

Material Manufacturers Investors Civil Engineer City Zoning Department

A Open-web Truss can be an engineered lumber product comprised of what two materials?

Metal members/fasteners Wood

At the most basic level, building failures impacting the occupants comfort and health can be attributed to _______________.

Moisture

From the list of choice below, select the most sustainable foundation type an architect can design for a house:

None of the above/below *not: Slab on grade Pier foundation because it provides the greatest natural air movement Shallow spread footing with R-49 batt insulation Shallow spread footing with conditioned crawlspace

__________ uses a building's components to collect, store and distribute the sun's energy to reduce the demand for heating.

Passive Solar Design

A zero energy house

Produces as much (or more) energy that it consumes

What is the purpose of the green material in the image below?

Provides resistance against lateral forces in the framing Provide a surface to attach exterior cladding

The picture below represents the following material:

Rough-cut lumber

As an architect, if you was looking to use a system that would provide a highly efficient, comfortable building with virtually no air infiltration which in turn could reduce up to half the operating cost from that of a conventional house you would specify which structural system?

SIPS

Which of the following types of materials are considered to be an air barrier?

Sheet metal Drywall Oriented Strand Board (OSB) Extruded Polystyrene Board Insulation (XPS)

The drawing below depicts what type of foundation?

Slab on grade

The picture below represents the following material:

Slicing veneer to create plywood

What do the different graphic hatches indicate on the left side of the document below?

Soil type & depth of soil

Prior to the development of engineered wood products, what wood material was available for construction?

Solid lumber

Moisture is a big design challenge in dealing with wood construction. What damage may can occur from poor moisture management?

Structural movement Fungi growth Rot

Of the choices below, which are considered to be pre-fabricated foundation wall systems.

Superior wall system

Define the term "Greenwashing:"

The term "Greenwashing" can defined as a way of misleading consumers about the environmental practices of a company, product, or even service.

The current consumption rate of planet resources is estimated to be exceeding what is actually available if we continue at our current pace.

True

The nominal dimensions of a 2x4 wood framing member is 2" x 4".

True

What exposure type is the wood siding being subjected to in the image below?

Type 3

Where are air leaks most likely to occur in the construction of a new home?

Windows and doors Exterior hose bib Electrical outlets on an exterior wall Recessed light fixtures

You are conducting a field observation visit for your client and observe the installation of the WRB system. What deficiency, if any, do you denote in your report?

Zip panels are installed with text direction upside down