2.
In the following diagram, what is the name for the portion of stair identified by A?
Explanation
The portion of the stair identified by A is called the tread. The tread is the horizontal part of the step that is stepped on when ascending or descending the stairs. It provides a flat surface for the foot to rest on and is an essential component of a staircase.
3.
A client has requested that special security protection be provided for critical paper files containing corporate trade secrets, but at a reasonable cost. In designing the file room, the interior designer should suggest
Correct Answer
A. Card readers at the doors leading to the file room
Explanation
Card readers at the doors leading to the file room would be the most appropriate suggestion for providing special security protection for the critical paper files containing corporate trade secrets. This solution would ensure that only authorized individuals with the proper access cards can enter the file room, effectively restricting access to the sensitive documents. It would provide a reasonable cost solution while still maintaining a high level of security. Electronic shielding, magnetic contacts, and photoelectric beams may offer some level of security, but they may not be as effective in preventing unauthorized access to the files.
4.
An enclosed vertical area for pipes or ductwork that runs from one floor to another
Correct Answer
chase
chases
Explanation
A chase is an enclosed vertical area that is used to house pipes or ductwork, allowing them to run from one floor to another. It provides a designated space for these utilities, making them easily accessible for maintenance and repairs. The term "chase" can be used both in singular and plural form, depending on the number of vertical areas being referred to.
5.
A unit or device that radiates heat from water to the surrounding air,
usually through closely spaced fins. Convectors are usually placed
against a wall under a window.
Correct Answer
convector
convectors
convecter
Explanation
A convector is a unit or device that transfers heat from water to the surrounding air. This is typically done through closely spaced fins. Convectors are commonly positioned against a wall, usually under a window. The correct answer is "convector, convectors, convecter" as these terms accurately describe the unit and its function.
6.
A device placed in a duct that is designed to automatically close when subjected to certain increase in temperature or with the detection of smoke
Correct Answer
fire damper
fire dampers
Explanation
A fire damper is a device placed in a duct that is designed to automatically close when there is a certain increase in temperature or when smoke is detected. This helps to prevent the spread of fire and smoke through the duct system, providing a barrier to contain the fire and protect other areas of the building. Fire dampers are an important safety feature in buildings, as they help to prevent the rapid spread of fire and smoke, allowing occupants more time to evacuate and firefighters more time to control the situation.
7.
A machine used to cut a small opening in a concrete floor for conduit or poke-through electrical outlets.
Correct Answer
Core drill
Explanation
A core drill is a machine that is specifically designed to cut small openings in concrete floors for conduit or poke-through electrical outlets. It is a specialized tool that is used in construction and electrical work to create precise and clean holes in concrete surfaces. The core drill is equipped with a diamond-tipped drill bit that rotates at high speeds, allowing it to efficiently cut through the tough concrete material. This tool is essential in various industries where electrical wiring needs to be installed in existing concrete structures.
8.
A mixture of portland cement, water, and sand, containing enough water to allow it to be poured or pumped into joins, spaces, and cracks within masonry walls.
Correct Answer
Grout
Explanation
Grout is a mixture of portland cement, water, and sand that has enough water content to make it pourable or pumpable. It is used to fill in joins, spaces, and cracks within masonry walls. Grout is typically used in construction to provide structural integrity and to seal gaps between tiles or bricks.
9.
The plywood or particleboard covering placed over exterior studding or rafters of a building that provides strength and a base for the application of wall or roof cladding.
Correct Answer
Sheathing
Sheath
Explanation
Sheathing refers to the plywood or particleboard covering that is placed over the exterior studding or rafters of a building. It provides strength and serves as a base for the application of wall or roof cladding. On the other hand, a sheath is a protective covering or case, typically used to enclose something such as a sword or cable. Therefore, in the given context, sheathing is the correct answer as it accurately describes the material used for covering the exterior structure of a building.
10.
With whom should the interior designer consult to determine where to put stacks in libraries?
Correct Answer
A. Structural engineer
Explanation
The interior designer should consult with a structural engineer to determine where to put stacks in libraries. A structural engineer specializes in designing and analyzing the structural components of a building, including load-bearing walls, columns, and beams. They have the expertise to assess the weight and distribution of the book stacks and ensure that they are placed in areas that can support their weight without compromising the structural integrity of the building. This consultation is important to ensure the safety and stability of the library's structure.
11.
A new term in the 2000 IBC meaning a fire-resistive component used to separate dwelling units in R-2 construction, guest rooms in R-1 construction, and tenant spaces in covered mall buildings, and also used as corridor walls. Fire partitions generally are required to have a minimum 1-hour fire-protection-rated construction except in certain circumstances. They are similar to fire barriers, but the requirements for support are not as strict.
Correct Answer
Fire partition
Explanation
A fire partition is a fire-resistive component that is used to separate dwelling units in R-2 construction, guest rooms in R-1 construction, and tenant spaces in covered mall buildings, as well as being used as corridor walls. Fire partitions are generally required to have a minimum 1-hour fire-protection-rated construction, except in certain circumstances. They are similar to fire barriers, but the requirements for support are not as strict.
12.
Should not be used as a noun. As an adjective, it should only be used as a modifier which defined compound terms such as fire-retardant-treated wood.
Correct Answer
Fire retardant
Explanation
Fire retardant should not be used as a noun, but rather as an adjective to modify compound terms such as "fire-retardant-treated wood." This means that the term "fire retardant" should only be used to describe something that has been treated to be fire retardant, rather than as a standalone noun.
13.
Includes picture molds, chair rails, baseboards, handrails, door and window frames, and similar decorative or protective materials used in fixed applications
Correct Answer
Trim
Explanation
Trim refers to various decorative or protective materials used in fixed applications, such as picture molds, chair rails, baseboards, handrails, door and window frames, and similar elements. These components are typically installed along the edges or borders of walls, floors, ceilings, and other surfaces to enhance their appearance or provide added protection. Trim can be made from a variety of materials, including wood, plastic, metal, or composite materials, and it is commonly used in interior design and construction to add a finishing touch to a space.
14.
An assembly of a fire door, fire window, or fire damper, including all required anchorage, frames, sills, and hardware
Correct Answer
Fire assembly
Explanation
A fire assembly refers to the complete installation of a fire door, fire window, or fire damper, which includes all the necessary components such as anchorage, frames, sills, and hardware. It is a comprehensive unit that ensures the proper functioning and effectiveness of the fire protection system. This term is commonly used in the context of building safety and fire prevention measures.
15.
Material that would not ignite and burn when subjected to a fire. The IBC and UBC classify a material as noncombustible only if it is tested in accordance with ASTM E136, Standard Test Method for Behavior of Materials in a Vertical Tube Furnace at 750 degrees C, or if it has a structural base of noncombustible material with a surfacing not more than 1/8 in thich taht has a flame-spread index no greater than 50.
Correct Answer
Noncombustible
Explanation
A material is classified as noncombustible if it either undergoes testing according to ASTM E136 at 750 degrees C in a vertical tube furnace or if it has a structural base made of noncombustible material and a surfacing that is no more than 1/8 inch thick with a flame-spread index not exceeding 50. This means that the material does not ignite or burn when exposed to fire.
16.
Which test gives the most accurate evaluation of the safety of a partition system?
Correct Answer
A. ASTM E119, Standard Test Methods for Fire Tests of Building Construction and Materials
Explanation
ASTM E119, Standard Test Methods for Fire Tests of Building Construction and Materials, provides the most accurate evaluation of the safety of a partition system. This test method assesses the fire resistance of the materials used in the construction of the partition system. It measures factors such as fire endurance, structural integrity, and thermal insulation. By subjecting the partition system to controlled fire conditions, ASTM E119 determines its ability to withstand fire and prevent its spread, making it a comprehensive and reliable test for evaluating safety.
17.
The propagation of flame over a surface
Correct Answer
Flame spread
Explanation
Flame spread refers to the process of flame propagation over a surface. It occurs when a fire spreads from one location to another by igniting adjacent combustible materials. This can happen through direct contact or by the transfer of heat, gases, or burning particles. Flame spread is influenced by factors such as the fuel type, surface characteristics, airflow, and heat release rate. Understanding flame spread is crucial for fire safety measures and designing effective fire protection systems.
18.
Core drilling would be most difficult in which type of structural system?
Correct Answer
A. Post-tensioned concrete
Explanation
Core drilling is the process of drilling holes in concrete or other materials for various purposes such as installing pipes or cables. Post-tensioned concrete refers to a structural system where high-strength steel cables are tensioned after the concrete has hardened, creating a compressive force to strengthen the structure. This type of system involves the presence of tensioned steel cables within the concrete, making it more difficult to drill through without damaging the cables. Therefore, core drilling would be most difficult in post-tensioned concrete compared to the other structural systems listed.
19.
That portion of egress achieving a change in elevation by means of a single riser
Correct Answer
Step
Steps
Explanation
The correct answer is "Step, Steps". In the context of egress, a step refers to a single riser that allows for a change in elevation. Steps, on the other hand, is the plural form of step, indicating multiple risers. Therefore, the correct answer for achieving a change in elevation by means of a single riser is "Step, Steps".
20.
A horizontal wood member that serves as the base for the studs in a stud partition
Correct Answer
Sole Plate
Sole plates
Explanation
A sole plate is a horizontal wood member that acts as the foundation for the studs in a stud partition. It provides stability and support to the structure by distributing the weight of the wall evenly. Sole plates are typically made of treated lumber to prevent moisture damage and termite infestation. They are secured to the floor with nails or screws and serve as the starting point for building the rest of the wall.
21.
Material that will ignite and burn, either as a flame or glow, that undergoes this process in air at pressures and temperatures that might occur during a fire
Correct Answer
Combustible
Explanation
The given statement describes a material that has the ability to ignite and burn when exposed to air at pressures and temperatures that are commonly present during a fire. This material is referred to as combustible.
22.
Light-gauge sheets of steel that are ribbed, fluted, or otherwise stiffened by shape for use in constructing a floor or roof.
Correct Answer
Decking
Deck
Explanation
The correct answer is "Decking, Deck". In construction, decking refers to light-gauge sheets of steel that are ribbed, fluted, or otherwise stiffened by shape. These sheets are used for constructing floors or roofs. A deck is a flat surface that is typically constructed outdoors, often elevated from the ground. It is commonly made of wood or composite materials and is used for various purposes such as outdoor living spaces or as a platform for outdoor activities. Therefore, "Decking, Deck" is the correct answer as it encompasses both the specific material used in construction and the general term for a flat surface.
23.
A residential client with a one-story house wants to remove an 8 ft section of a loadbearing wall to make an opening between two existing rooms. What is the most appropriate advice the interior designer can give?
Correct Answer
A. The opening can be framed, but a structural engineer will be needed.
Explanation
The most appropriate advice the interior designer can give is that the opening can be framed, but a structural engineer will be needed. This is because removing a loadbearing wall requires careful consideration of the structural integrity of the house. A structural engineer will be able to assess the situation, determine the appropriate size and type of header needed to support the load, and ensure that the structural integrity of the house is maintained.
24.
When advising a client on where to attach fasteners to support wall-hung book shelves in a residence, the interior designer should recommend that they be placed
Correct Answer
A. 16 in on center
Explanation
The correct answer is 16 in on center. Placing the fasteners 16 inches apart on center ensures that they are evenly spaced and provides sufficient support for the wall-hung bookshelves. This spacing allows for stability and prevents the shelves from sagging or falling off the wall.
25.
What does the symbol shown indicate?
Correct Answer
A. Suspended exit light
Explanation
The symbol shown indicates a suspended exit light.
26.
A change in elevation having two or more risers. (In the IBC, a stairway is a change in elevation of one or more risers)
Correct Answer
Stairway
Stairways
Explanation
The correct answer is "Stairway, Stairways." This is because a stairway is defined as a change in elevation that has two or more risers. In the International Building Code (IBC), a stairway is specifically described as a change in elevation of one or more risers. Therefore, both "Stairway" and "Stairways" are correct answers as they accurately describe the definition of a stairway according to the IBC.
27.
A horizontal structural member over an opening that carries the weight of the wall above it.
Correct Answer
Lintel
Lintels
Explanation
A lintel is a horizontal structural member that is placed over an opening, such as a door or window, to support the weight of the wall above it. It helps distribute the load evenly and prevents the opening from collapsing. Lintels are commonly made of materials like wood, stone, or steel, depending on the requirements of the structure. They play a crucial role in maintaining the stability and integrity of the wall and the overall structure.
28.
Insulation is used in interior walls to
Correct Answer
A. Improve the acoustic characteristics of the wall
Explanation
Insulation is used in interior walls to improve the acoustic characteristics of the wall. Insulation materials help to absorb and dampen sound waves, reducing noise transmission between rooms. This can provide a quieter and more comfortable living or working environment by reducing the impact of external noise and minimizing sound transfer between different areas of a building.
29.
What would NOT be allowed in an access floor with removable panels?
Correct Answer
A. Plumbing
Explanation
In an access floor with removable panels, plumbing would not be allowed. This is because access floors are designed to provide easy access to electrical and data cables, as well as HVAC systems. Plumbing, on the other hand, requires a different type of infrastructure and is not typically integrated into access floors. Therefore, it would not be allowed in this specific type of flooring system.
30.
A framing member that crosses and supports the ends of joists, transferring weight to parallel joists. These are used to form openings in wood-framed floors.
Correct Answer
Header
Headers
Explanation
A header or headers in construction refer to a framing member that is placed horizontally and is used to support the ends of joists. It helps in transferring the weight of the structure to the parallel joists, providing stability and strength to the overall framework. Headers are commonly used to create openings, such as doors or windows, in wood-framed floors. They play a crucial role in maintaining the structural integrity of the building by distributing the load evenly and preventing any sagging or collapsing of the floor system.
31.
A structural beam of steel having a shape whose cross section resembles the letter H. A wide-flange beam has wider flanges than an I-beam. Wide-flange beams are used for beams as well as columns because their shape gives them approximately equal strength in both directions.
Correct Answer
Wide-flange beam
Wide flange beam
Wide-flange beams
Wide flange beams
Explanation
Wide-flange beams are used for beams as well as columns because their shape gives them approximately equal strength in both directions. The wider flanges of a wide-flange beam provide more surface area for distributing the load, resulting in increased strength and stability. This makes wide-flange beams suitable for applications where the load may be applied in different directions, such as in beams and columns. The H-shaped cross section of a wide-flange beam also helps to resist bending and torsional forces, further enhancing its structural integrity.
32.
Which is the most accurate statement about sound?
Correct Answer
A. A 7dB reduction of the noise within a room would be clearly noticeable.
Explanation
A 7dB reduction of the noise within a room would be clearly noticeable. This statement suggests that a decrease in noise level by 7 decibels would result in a noticeable reduction in the overall sound within a room. It implies that even a relatively small decrease in noise can have a significant impact on the perceived sound level.
33.
The property of a material or assembly to withstand or resist the spread of fire or give protection from it
Correct Answer
Fire resistance
Explanation
Fire resistance refers to the ability of a material or assembly to withstand or resist the spread of fire or provide protection from it. This means that the material or assembly is designed and constructed in such a way that it can withstand the effects of fire for a specified period of time without collapsing or allowing the fire to spread. Fire resistance is an important property in building construction and is achieved through the use of fire-resistant materials, such as fire-rated walls, doors, and windows, as well as fire-resistant coatings or treatments applied to surfaces.
34.
Which test is most frequently used to evaluate carpet in the United States?
Correct Answer
A. Methenamine pill test
Explanation
The methenamine pill test is the most frequently used test to evaluate carpet in the United States. This test involves placing a pill containing methenamine, a chemical that releases formaldehyde when heated, on the carpet sample. The sample is then heated and observed for any signs of charring or burning. This test helps determine the carpet's resistance to ignition and its ability to self-extinguish, making it a crucial evaluation method for carpet safety.
35.
Should not be used as a noun. As an adjective, it should only be used as a modifer with defined compound terms such as flame-retardant treatments
Correct Answer
Flame retardant
Explanation
The correct answer is "Flame retardant" because the statement suggests that "flame retardant" should not be used as a noun. Instead, it should only be used as an adjective to modify compound terms like "flame-retardant treatments." This indicates that "flame retardant" is a term that describes a type of treatment or substance used to prevent or slow down the spread of fire.
36.
To detail a doorframe for a conference room where privacy is critical, which of the following is LEAST likely to be required?
Correct Answer
A. A heavy-duty; silent door closer
Explanation
A heavy-duty; silent door closer is least likely to be required for detailing a doorframe for a conference room where privacy is critical. While a silent door closer may be desirable to minimize noise, it is not directly related to privacy. The other options, such as a solid-core door, neoprene gasketing, and an automatic door bottom, are more directly related to ensuring privacy by minimizing sound transmission and maintaining a secure seal.
37.
A designer selecting glass to meet the requirements for safety glazing in a hazardous location should specify
Correct Answer
A. Tempered or laminated glass
Explanation
In hazardous locations where safety is a concern, a designer should specify either tempered or laminated glass. Tempered glass is a type of safety glass that is heat-treated to increase its strength and durability. It breaks into small, dull pieces when shattered, reducing the risk of injury. Laminated glass, on the other hand, consists of two or more layers of glass with an interlayer of plastic. It is designed to hold together when shattered, providing added safety. Therefore, specifying tempered or laminated glass ensures the necessary safety requirements are met in hazardous locations.
38.
What does the symbol shown indicate on a floor plan?
Explanation
The symbol shown on a floor plan indicates a column. A column is a vertical structural element that provides support to the structure above it. It is typically made of materials such as concrete or steel and is used to transfer the weight of the upper floors or roof to the foundation of the building. Columns are an essential part of the structural framework of a building and are represented by specific symbols on floor plans to indicate their location and dimensions.
39.
In a high-rise building, the wall generally used as part of the structure of the building services such as elevator and stairway shafts, toilet rooms, mechanical rooms, and the like
Correct Answer
core walls
core wall
Explanation
The correct answer is core walls. In a high-rise building, core walls are typically used as part of the structure and house important building services such as elevator and stairway shafts, toilet rooms, mechanical rooms, and other utilities. These walls provide structural stability and support to the building, ensuring the overall strength and functionality of the structure.
40.
If a material supplier says that adding his product to a wall assembly in a critical acoustic situation would increase the noise reduction (STC rating) between two rooms by slightly more than 3 dB, what should the designer's reaction be?
Correct Answer
A. Thank him for stopping by but explain that the amount of noise reduction his product provides does not make it worth the effort or cost
Explanation
The designer's reaction should be to thank the supplier for the information but explain that the increase in noise reduction provided by the product is not significant enough to justify the effort or cost. This suggests that the product may not be necessary or beneficial in this particular acoustic situation.
41.
Where are flame-spread ratings in a building most restrictive?
Correct Answer
A. In exit enclosures
Explanation
Flame-spread ratings in a building are most restrictive in exit enclosures. Exit enclosures are areas specifically designed to provide a safe and protected means of egress during emergencies. Therefore, it is crucial to have strict flame-spread ratings in these areas to minimize the risk of fire spreading and obstructing the path to safety.
42.
Capable of burning with a flame and subject to easy ignition and rapid flaming combustion
Correct Answer
Flammable
Explanation
The given correct answer, "Flammable," accurately describes a substance that is capable of burning with a flame and is easily ignited, leading to rapid flaming combustion. This term is commonly used to indicate the potential fire hazard of a material and is often seen on warning labels or safety instructions.
43.
A compact filing system is an example of a
Correct Answer
A. Live load
Explanation
A compact filing system is considered a live load because it is a movable or temporary load that can change in magnitude and location. Live loads are typically caused by the occupancy or use of a structure and can include people, furniture, equipment, or any other load that is not permanently fixed. In the case of a compact filing system, it can be easily moved or rearranged, making it a live load rather than a dead load which refers to permanent or fixed loads like the weight of the structure itself.
44.
The minimum number of toilet fixtures required for an interior design remodeling is determined by occupancy load and
Correct Answer
A. Occupancy group
Explanation
The minimum number of toilet fixtures required for an interior design remodeling is determined by the occupancy group. The occupancy group refers to the type of use or purpose of the building space, such as residential, commercial, or industrial. Different occupancy groups may have specific regulations or guidelines for the number of toilet fixtures required based on the number of occupants. Therefore, the occupancy group is a crucial factor in determining the minimum number of toilet fixtures needed for an interior design remodeling project.
45.
Exit access corridors in nonsprinklered buildings must have a rating of
Explanation
Exit access corridors in nonsprinklered buildings must have a rating of 1 hour. This means that the corridor walls and doors must be able to resist fire for at least 1 hour, providing a safe passage for occupants to exit the building in case of a fire. This rating allows for sufficient time for evacuation and helps to prevent the spread of fire and smoke to other areas of the building.
46.
In order to specify an acceptable type of wall covering, which of the following tests should the designer require that the wall covering pass?
Correct Answer
A. Steiner tunnel test
Explanation
The Steiner tunnel test is used to determine the fire resistance of materials, including wall coverings. This test measures the rate at which flames spread across the surface of a material and the amount of smoke generated. By requiring the wall covering to pass the Steiner tunnel test, the designer ensures that it meets the necessary fire safety standards.
47.
If a material does not burn, it is considered to be
Correct Answer
A. Noncombustible
Explanation
A material that does not burn is considered to be noncombustible. This means that it is not capable of catching fire or supporting combustion. Noncombustible materials are often used in construction and other industries where fire safety is a concern. They are resistant to high temperatures and do not contribute to the spread of fire.
48.
The device that controls the volume of air and its distribution in an HVAC system is called a
Correct Answer
A. Register
Explanation
A register is a device that controls the volume of air and its distribution in an HVAC system. It is typically a vent cover with adjustable louvers or dampers that can be opened or closed to regulate the amount of air flowing into a room. Registers are commonly found in homes and buildings and are essential for maintaining proper air circulation and temperature control. They are often located on walls, floors, or ceilings and can be adjusted to direct air in specific directions or areas of a room.
49.
In working with an electrical engineer on a project, what information would the designer most likely put on the interior design power plan?
Correct Answer
A. Dedicated outlets
Explanation
The designer would most likely put information about dedicated outlets on the interior design power plan because electrical engineers need to know where these outlets will be placed in order to properly plan the electrical wiring for the project. Dedicated outlets are specific outlets that are intended for specific equipment or appliances, and their placement is crucial for ensuring that the electrical system can support the power needs of the project.