NCIDQ - Multiple Choice Review - Ch. 17, 18, 20, 27

The correct answer is HVAC, which stands for heating, ventilating, and air conditioning. This acronym is commonly used to refer to the systems and technology used to control indoor temperature, humidity, and air quality. HVAC systems are essential in maintaining a comfortable and healthy environment in buildings, homes, and vehicles. The lowercase "hvac" is also an acceptable alternative to the acronym.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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".

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.

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.

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.

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.

The symbol shown indicates a suspended exit light.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

ASTM, which stands for the American Society for Testing and Materials, is an organization that develops and publishes voluntary consensus technical standards for a wide range of materials, products, systems, and services. These standards are used by industries to ensure quality, safety, and reliability in their products and processes. As such, ASTM is an example of an industry standard-writing organization.