Building construction ft 125
Which of the following is a critical factor in the strength of the truss?
Connectors
A steel stud wall is frequently provided with:
Diagonal bracing for stability
In all climates, what increases a structures energy conservation?
Insulating materials
Which of these is an example of a static load?
Structural support beams
type four construction is
construction that uses wood components with greater mass then type 3 construction
A fundamental fire concern with type 3 construction is
creation of combustible concealed spaces
Building Classifications can help firefighters determine the likelihood of structural collapse under fire conditions and can indicate the...
degree of occupant safety provided by the buildings construction
When the continuity of an assembly is destroyed it cannot function as a
fire barrier
Type-2A construction requires structural components to
have 1 hour fire resistance
The final building design always involves:
A balance of what is wanted, what is needed, and what is practical
Which of the following statements regarding heat release freight is the most accurate
A greater heat release rate results in a faster developing fire
The only standardized test method for fire resistance that is universally excepted by building codes is the
ASTM E-119 test
Pressure exerted by the soil against the buildings foundation is known as:
Active soil pressure
Which of the following statements about live loads is most accurate?
Adding additional equipment and people increases the live load
structural components in type-2B construction are
Allowed to remain unprotected
Which of the following requires the removal of architectural barriers and the addition of other features to provide accessibility for persons with recognized impairments?
Americans with Disabilities Act (ADA)
When using a lending institution to help finance building construction, the institutions technical requirements will necessitate a review of the:
Architect's design drawings
Stairway landings in a smoke-proof enclosure where a person may wait safely until further assistance or instructions are available are referred to as:
Areas of refuge
Since energy and resources are expended in the construction of a building, they are frequently constructed:
As investment tools
Fire protection engineering requirements during construction activities include:
Automatic sprinklers and standpipes
Which of the following is an essential consideration in the design of fire protection systems?
Availability of water
A type of damping mechanism that absorbs resonant energy when buildings move during an earthquake is:
Base isolation
Which of the following uses walls to support spanning elements?
Bearing wall structures
Which of the following is a common type of reaction within a horizontal structural component that is loaded vertically?
Bending moment
Which statement about snow loads is most accurate?
Building codes contain requirements for snow loads depending on the particular region
Strategies that will be effective at a structural fire are influenced by the:
Building construction types
External forces often can be visually identified and evaluated but interior forces must be:
Calculated
Which type of beam must be able to support a vertical load in addition to resisting bending stresses?
Cantilever beams
The top and bottom members of a truss are called:
Chords
A structural member designed to support an axial load is a:
Column
As with other art forms, architectural styles are subject to change over time and in relation to the:
Communal environment
Setbacks are a terrain feature that may:
Complicate access by emergency responders
Which of the following is a primary hazard of green design?
Components tend to increase combustibility of the overall building
Which of the following stresses is in a direction of force that squeezes the material?
Compression
During which part of the design and construction process will architects meet with the owners to determine the owner's needs and desires?
Concept
Common locations where walls may be insufficiently braced against wind loads are:
Construction sites, demolition sites, and fire damage buildings
What method of heat transfer involves the transfer of heat through the movement of hot smoke and fire gases?
Convection
During renovation and remodeling, building departments require that structural modifications be:
Designed by structural engineers and preformed by licensed contractors
Which of the following actions may be necessary in a building when water has accumulated to a depth of 3 inches (75MM) adding a statistic load of 21 pounds per square foot (1 kPa)?
Dewatering operations
Stresses within a material are classified according to the:
Direction of the force
Which load type involves motion and is capable of delivering energy greatly in excess of the weight of the object involved?
Dynamic load
An accommodation for seismic activity that provides flexibility of movement in different sections of a building is a:
Expansion joint
Which technique may be used to shorten the construction time by overlapping the design and construction phases?
Fast-track construction
which of the following indicates the ability of a structural assembly to maintain its load bearing capacity and structural integrity under fire conditions
Fire resistance
Under fire conditions, a buildings structural integrity is related to the:
Fire resistance and combustibility of it's construction materials
Which of the following statements regarding fire spread is MOST accurate?
Flame height and width can be a factor in determining whether a fire will progress to an exposure
On a beam, the external ridges or rims that do most of the work supporting a load are called:
Flanges
Structural members may be constructed in specific shapes and sizes to control multiple stresses within the allowable values:
For the particular material being used
When buildings become obsolete and unmarketable, they:
Frequently become a target for arson
Occupancy and use are often addressed in model building codes because they affect the:
Fuel load
Which of the following can record data from inspections and preplans for a specific occupancy and allows the data to be retrieved on districting or dispatching maps?
Geographic Information Systems (GIS)
In jurisdictions where the fire department does not have formal authority to review building plans, fire departments are MOST likely to:
Have established a cooperative relationship with building officials
Fire resistance rating's incorporated into building codes
Include the minimum requirements for structural components
Which action provides the fire department with first-hand information from a preincident survey that is useful in preincident planning?
Involvement in new construction testing and inspection
The most significant force generated by an earthquake is:
Lateral loads that create horizontal motion
Trusses are able to span a set distance using:
Less material and weight than a comparable beam
Occupancy classifications reflect on _______and inherent two specific types of occupancy's
Life safety issues
For a structure to remain intact the total stresses within structural members must be:
Lower than the failure point of the material
Before a fire, loss of management activities will:
Minimize the risk(s) present in specific occupancy classifications
Under fire conditions, the slender and lighter structural members used in modern building design may fail:
More quickly than older, heavier supports
Mixed construction is often found when a
New structure is built on top of an existing structure of a different construction type
Loss of equilibrium in the structural support system of a building can lead to:
Partial or total collapse
Parapets on exterior masonry walls are an example of which type of fire protection feature?
Passive barriers
When designing the configuration of a building, building designers:
Rarely consider fire fighting strategies as a principle design element
The forces, within a structural support system of a building, that resist applied loads are called:
Reactions
Which of the following skills is MOST critically important for a firefighter?
Recognizing configuration features and component pieces of a structure
Which of the following is rigidly supported at each end and may retain its load bearing ability longer under fire conditions?
Restrained beams
Expansion joints, dampening mechanisms, and base isolation are all types of accommodations for:
Seismic forces
Bending stresses may develop in an arch of the supports at the ends of the arches shift because of:
Settling soil or thermal expansion
Which of the following statements regarding structural stiffening strategies for improving a structures ability to withstand seismic loads is most accurate?
Shear walls and cross bracing can be effective against ground motions with a slow vibrational period
What is the distinctive characteristic of post and beam framing?
Spacing of the vertical posts and the cross-sectional dimension of the members
Which of the following is a life safety consideration for first responders and the public during a structural fire incident?
Standpipe connections must have standard threads to ensure compatibility with fire department equipment
Which of the following statements regarding design-caused structural failure is MOST accurate?
Structural failure means a building is no longer performing its required function in a satisfactory manner
What may cause peripheral structural members to expand and contract at a rate different from internal members?
Temperature change external to the building
In the stresses in a cable are ________ stresses
Tension
Which of the following stresses is in a direction of force that pulls material apart?
Tension
In order to predict how fire will affect a building's structure, occupants, and contents, and how best to mitigate those effects, first responders must understand:
The essential purposes behind building design and construction
Which of the following statements is MOST accurate regarding engineering-based construction variables in building design?
The first line of defense for fire protection in many buildings is an automatic fire sprinkler system
Which method of heat transfer moves through space by electromagnetic waves?
Thermal radiation
Building codes impose restrictions on the maximum allowable heights and areas of type five buildings because
They present an exposure threat to adjacent structures during heavily involved fires
According to the international building code (IBC), which of the following designated fire-resistive construction?
Type 1
Building types whose structural framing materials contribute a significant amount of fuel to a fire include
Type 3, 4 and 5
which building construction type is referred to as no combustible or protected non combustible?
Type A
Space frames are well-suited to support:
Uniformly distributed loads
One challenge that newer buildings might present to firefighters is that they:
Use technology that may not be fully tested
The neutral axis of a beam occurs in the wide vertical area between the top and bottom ridges that is called the:
Web
Direct pressure, negative pressure, and drag are all basic effects of:
Wind
An important distinction between type 3 and type 4 construction is
concealed spaces are not permitted between structural components in type 4 construction
Building construction and occupancy classifications are used together and building codes because they
establish limitations on the permissible heights and open areas of buildings
Which of the following describes the maximum amount of heat that can be released if all fuel is consumed
fire load
which of the following is a limitation of fire resistance laboratory test findings
fire rated assemblies may behave differently in laboratory settings then they do in uncontrolled conditions
what does the first digit in the three digit number code for building classifications represent
fire resistive rating (hours) of exterior bearing walls
building classifications used in building codes are based on the material used in construction and the
fire resistive ratings for the structural components
Because mixed occupancies may present different types and levels of hazards which of the following may be required
fire resistive separations between various occupancy's
Modern heavy timber wood frame construction is primarily used
for aesthetic purposes
which of the following statements about the use of combustible materials in type 1 construsction is most accurate
limited use of combustible materials is permitted in type 1 construction
In modern construction type 5 light frame construction is
makes use of smaller studs, joists, and rafters to erect buildings faster
Mathematical calculation methods to determine the fire resistance of a structural element are based in part on data obtained
overtime during laboratory testing of materials
type 1 buildings are most commonly constructed using a protected steel frame or
reinforced concrete
The standard fire resistance test is widely used in fire protection to establish
required performance standards in building codes
