NCIDQ Class 2 HW - Codes, Building Systems & Construction

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In plumbing, what does a vent pipe NOT do? (a) prevent backflow (b) prevent siphoning (c) eliminate toxic gases (d) equalize pressure

(a) prevent backflow Vents are pipes connected to the drainage system at various locations, open to outside aire, and designed to serve 2 purposes: 1 - allow built-up sewage gases to escape instead of bubble through the water in the traps. 2 - allow pressure in the system to equalize so discharging waste does not create a siphon that would drain the water out in the traps.

Concrete in which steel mesh or rods has been inserted to increase the tensile strength is (a) reinforced concrete (b) steel (c) sealed concrete (d) meshed concrete

(a) reinforced concrete

A door knob not recommended for handicap use is: (a) round cylindrical (b) decorative lever (c) horizontal bar (d) U-shaped

(a) round cylindrical

Which term describes two panes of glass with plastic in between? (a) safety laminated glass (b) thermopane glass (c) tempered glass (d) dual pane insulated glass

(a) safety laminated glass

What is the purpose of 5-gauge metal wire mesh used in the wall? (a) security (b) seismic (c) acoustic

(a) security Ex. a cash storage room, so that no one can cut through the wall to gain access to the secure area.

Safety glazing is NOT required in which of the following locations? (a) sidelites where the sill is greater than 18" AFF (b) glass sidelites next ot a solid wood door (c) shower doors (d) full-height glass panels more than 12" from a door

(a) sidelites where the sill is greater than 18" AFF Safety glazing is only required if the sill is less than 18" AFF, however, if this sidelite was also less than 24" from a door, it would be required. For choice B, safety glazing is required if it is less than 24" from a door or if the sill is less than 18" AFF. Since they don't give us a dimension here, we cannot rule out the fact that it may need safety glazing. Shower doors will always require safety glazing and if the glass is less than 24" from the door, full-height glass panels will require it. SInce we only know that the glass is more than 12" in this case, we cannot assume that is is more than 24".

Which is the best method of acoustical privacy? (a) slab to slab partition (b) partition to ceiling base with insulation (c) partition beyond ceiling with insulation and gypsum board (d) double thickness of gypsum board and insulation

(a) slab to slab partition With full-height (slab to slab) partitions, speech privacy is achieved because sound loss occurs through the partitions. Speech privacy is also achieved through the proper use of sound absorbing surfaces: a highly absorptive ceiling, minimizing sound "reflection" through proper treatment of floor, furniture, & wall surfaces; and by using insulation in partitions and/or additional layers of gyp board. All of the answers help with the acoustical quality, but A is the BEST answer here.

Which of the following is NOT part of the fire suppression system? (a) smoke detectors (b) standpipes (c) sprinklers) (d) fire extinguishers

(a) smoke detectors There are three parts of a fire suppression system: detection, alarm, and suppression. A smoke detector would fall under detection. The other three choices play a part in suppressing a fire (ie. restrain/contain/stop the fire). Standpipes that run the height of a building and provide water outlets at each floor to which firefighting hoses can be connected, typically in stairways or vestibules. Sprinklers and fire extinguishes obviously suppress fires.

A concealed hinge is called: (a) soss (b) piano (c) pivotal (d) knuckle

(a) soss

In order to extend the allowable distance of egress travel, what element could you add? (a) sprinklers (b) escalators (c) fire alarms (d) operable windows

(a) sprinklers By adding sprinklers, you can extend the allowable distance of egress travel from 1/2 the diagonal to 1/3 the diagonal travel distance.

What requires the highest fire rating in a high rise? (a) stair (b) corridor (c) elevator

(a) stair

What does this symbol indicate on a floor plan? ("I" shaped figure) (a) steel column (b) lintel (c) beam

(a) steel column

When cutting through stairs, whom should you contact? (a) structural engineer (b) architect (c) electrical engineer (d) mechanical engineer

(a) structural engineer

In building construction terminology, what is a "sill"? (a) the bottom horizontal member of a fabricated frame (b) another word for jamb (c) a furring strip (d) a type of beam

(a) the bottom horizontal member of a fabricated frame

The basic horizontal building element which supports live and dead loads is: (a) the foundation (b) the floor system (c) the riser (d) the rafter system

(a) the foundation You would say "floor system" if foundation was not an option. Remember choose the "best" or "most correct" answer.

Balloon framing as used in residential construction is a framing system where: (a) the studs are continuous from the first floor to the second floor top plate. (b) the studs are discontinuous from the first floor to the top of the second floor. (c) 2x6 studs are spaced 24" on center (d) 2x4 studs are used to create a fuller dome.

(a) the studs are continuous from the first floor to the second floor top plate.

Non-load bearing concrete block partitions are usually specified for interior use for which of the following purposes? (a) to provide a durable, fire-resistant partition (b) to provide a durable partition which is less costly to construct than a gypsum board wall (c) to provide a light-weight, fire-resistant partition (d) to provide a strong, attractive partition which can be used on any type of floor structure

(a) to provide a durable, fire-resistant partition Where heavy use is expected such as in a college dorm, non-load bearing concrete block partitions may be specified. Choice B, gyp board is the cheapest. Choice C, NOT lightweight;l much heavier than gyp. Choice D can NOT be used on any type of floor to floor structure because of its weight, you must verify that the existing structure can carry its weight.

How many grab-bars are required in a barrier free shower with bench? (a) two (b) three (c) one

(a) two At least two are required, depending on the shower type. (2) are needed for showers with a bench. (3) are required for roll-in showers.

What is the best flooring for a barrier free restaurant? (a) vinyl composition tile (b) raised rubber (c) slate (d) carpet

(a) vinyl composition tile

The mechanical systems of a building are: (a) water, sanitary drainage, heating, and air conditioning (b) gas, electrical, phone, drainage (c) steam, gas, electrical, water (d) HVAC and water

(a) water, sanitary drainage, heating, and air conditioning Mechanical Systems: heating & cooling (HVAC), plumbing (water supply & drainage), and fire protection. Electrical Systems: power, lighting, telephone, other communication systems

Textiles rating FR701 applies to: (a) window coverings (b) walls (c) floors

(a) window coverings This is the same as NFPA 701 the vertical ignition test.

What is required of the glass in doors and sidelites of fire corridors? (a) wire (b) tempered (c) acrylic (d) safety

(a) wire Special fire-rated, typ. 1/4"

What should the clear space between handrails and wall at stairs be? (a) 2" (b) 1 1/2" (c) 2 1/2" (d) 1 1/4"

(b) 1 1/2"

The exact dimensions for a 2" x 4" is: (a) 1-3/4" x 3-3/4" (b) 1-1/2" x 3-1/2" (c) 1-3/4" x 3-7/8" (d) 1-7/8" x 3-3/4"

(b) 1-1/2" x 3-1/2"

The maximum dead-end corridor length typically allowed by code is: (a) 18' (b) 20' (c) 30' (d) 25'

(b) 20'

In designing a new stair in a public building with a 12'-7" floor to floor height, what is the minimum number of risers for the stair? (a) 16 (b) 22 (c) 24 (d) 27

(b) 22 You must first convert 12'-7" into inches; therefore you have a 151" total height. Divide this total height by the height of one riser (remember 7" is the typical). 151"/7" = 21.57". You must always round up, therefore you get 22 risers.

Building codes limit the amount and type of glass in a 1-hour rated corridor. The maximum glazed area cannot exceed what percentage of the area of the corridor wall of the room separating it from the corridor? (a) 10%, not to exceed 100 square inches (b) 25%, not to exceed 1296 square inches (c) 33%, not to exceed 54" height (d) 50%

(b) 25%, not to exceed 1296 square inches 25% of the area of the common wall within any room using the glazing; applies to partitions separating 2 rooms and partitions separating a room and a corridor. Individual lites cannot exceed 1296 sq. in. in area and any one dimension cannot be more than 54".

What is the minimum width of a retail aisle for handicapped access? (a) 32" (b) 36" (c) 42" (d) 48"

(b) 36"

What is the minimum clear width of a 6' long hallway in a one- or two-family residential occupancy? (a) 30" (b) 36" (c) 42" (d) 44"

(b) 36" Occupant loads less than 50 must be a minimum of 36" wide. Occupant loads more than 50 must be a minimum of 44" wide. You can also calculate the minimum width of a corridor by multiplying the occupant load of the space by 0.2 (or 0.3 for stiarways)

What is the maximum height of reach for a forward approach? (a) 4'-6" (b) 4'-0" (c) 5'-0"

(b) 4'-0"

What is an acceptable center height for an elevator button? (a) 36" (b) 42" (c) 48"

(b) 42"

Smoke quality is reported in terms of maximum optical density with an index range between 0 and 800 units. Most federal agencies require a smoke density rate of: (a) 600 or less (b) 450 or less (c) 300 or less (d) 150 or less

(b) 450 or less (Refer to ASTM E3662 or NFPA 258)

What is the maximum height for the mounting of the thermostat and light switches? (a) 42" aff (b) 48" aff (c) 60" aff (d) 65" aff

(b) 48" aff Comparable to the operable control reach for telephones - 48"

What is the adjacent access aisle minimum for parking cars? (a) 4'-6" (b) 5'-0" (c) 4'-0"

(b) 5'-0"

What is the minimum clear width for two wheelchairs to pass? (a) 4'-6" (b) 5'-0" (c) 5'-6"

(b) 5'-0"

At least two egress doorways are required when the occupancy load is more than ____ and the travel distance to the egress exceeds ____. (a) 20 occupants and 50 feet (b) 50 occupants and 75 feet (c) 75 occupants and 150 feet (d) 100 occupants and 250 feet

(b) 50 occupants and 75 feet In A, B, E, F, M and U occupancies you need at least 2 egress doorways when the occupancy load is more than 50 occupants and the travel distance exceeds 75ft to the egress. In some occupancies, if the building is fully sprinklered, the travel distance is increased to 100ft.

In an assembly area, what percentage of people are served by the main exit? (a) 25% (b) 50% (c) 75%

(b) 50% 2 exits are required

A restaurant owner wants to seat 500 people. Codes require 15 square feet per person in addition to the restroom facilities. How many square feet are needed for adequate space and code? (a) 7,500 (b) 8,000 (c) 7,700

(b) 8,000 15x500 = 7,500 7,500 + any restroom facilities = 8,000 For 7,700, there would be 200 sf leftover, which means 100 st bathrooms per sex (or 2 toilets). This is not sufficient for a 5,000 sf restaurant.

Which illustrates a 2-hour rated wall? (a) A metal stud with one layer of gyp on both sides (b) A metal stud with two layers of gyp on both sides (c) A metal stud with two layers of gyp on one side and one layer of gyp on the other side

(b) A C-Channel with two layers of gyp on both sides

What is ANSI? (a) Association of National Standards Institute (b) American National Standards Institute (c) American National Social Institute (d) Association of National Social Institutes

(b) American National Standards Institute

A high rate of combustion in the Steiner Tunnel Test is indicated by which rating? (a) B (b) C (c) II

(b) C

The scattering or distribution of sound is called: (a) Diffusion (b) Dispersion (c) Resonance (d) Transmission

(b) Dispersion

A type of bonding method used in brick construction with alternating header and stretcher courses is: (a) Common bond (b) English bond (c) Running bond (d) Alternating bond

(b) English bond

Sound travels by: (a) Fidelty (b) Frequency (c) Decibel (d) Dispersion

(b) Frequency Sound has 3 basic qualities. Velocity - depends on medium and temperature of medium that the sound is traveling through Frequency - # of cycles per second; measured in hertz Power - quality of acoustic energy; measured in watts

Who makes the policies for fire and safety in North America and Canada? (a) OSHA (b) NFPA (c) Steiner Tunnel Test

(b) NFPA OSHA is the Occupational Safety and Health Administration that focuses on workplace safety while the Steiner Tunnel Test is a testing method.

Which of the following building type/occupancy classifications is NOT correct? (a) Bank (Business), Dormitory (Residential) (b) Nursing Home (Residential), Church (Assembly) (c) Supermarket (Mercantile), Kindergarten (Educational) (d) Freight Terminal (Storage), Dormitory (Residential)

(b) Nursing Home (Residential), Church (Assembly) (Reference IBC Occupancy Classification) This is incorrect because a nursing home classifies as Institutional.

What are five types of sprinkler heads? (a) Pendant, Attached, Wall, Recessed, Shower (b) Pendant, Sidwall, Upright, Concealed, Recessed (c) Pendant, Attached, Upright, COncealed, Recessed

(b) Pendant, Sidwall, Upright, Concealed, Recessed Reference Interior Graphic Standards, pg. 228

What is the difference between flame resistance and flame retardant? (a) Resistance is a topical treatment and retardant is inherent. (b) Resistance is inherent and retardant is a topical treatment. (c) None of the above.

(b) Resistance is inherent and retardant is a topical treatment.

Which test is for flame spread, smoke density and fuel contribution? (a) The Chamber Test (b) Steiner Tunnel Test (c) Flooring Radiant Panel Test

(b) Steiner Tunnel Test

Which test rates smoke density? (a) Methenamine (b) Steiner Tunnel Test (c) Radiant Panel

(b) Steiner Tunnel Test Methenamine is for surface/ignition/flammability while Radiant Panel is for flame spread

ASTM E84 is also referred to as ____ and is used to rate ____. (a) Radiant panel test - floor covering (b) Steiner tunnel test - Wall and ceiling finishes (c) Pill test - Upholstery (d) Mattress test - bedding

(b) Steiner tunnel test - Wall and ceiling finishes This test measures the flame spread of finishes. Radiant panel is NFPA 253. The pill test may be referencing to the methenamine pill test which rates carpets and rugs, not upholstery. There's no such thing as a mattress test.

What terms are not synonymous in electricity? (a) Volts - Pressure (b) Watts - Lighting (c) Amps - Flow (d) Resistance - Friction

(b) Watts - Lighting Watts would be related to energy

You have a client who is building an 8 floor office building with (2) 44" wide stairs and (2) elevators. Each floor plate is 20,000 square feet. They would like for you to plan an employee cafeteria on the 8th floor to seat 350 people. How do you advise them? (a) You don't have enough elevators (b) You need more stairs (c) That many people won't fit (d) They are wasting the great view on their employees

(b) You need more stairs

Which of the following would provide the greatest noise reduction coefficient (NRC)? (a) plaster ceiling (b) acoustical ceiling tile (c) 1/4" pile carpet (d) 1/2" pile carpet

(b) acoustical ceiling tile You will not get much of any NRC with plaster. Acoustical ceiling tiles have an NRC of 0.6 - 0.9, depending on the thickness of the tile. 1/4" pile carpet has a less than 0.5 NRC and 1/2" pile carpet has 0.5 NRC.

What is the first thing that the permit process requires? (a) Certificate of occupancy (b) application for permit (c) inspections

(b) application for permit

Winder stairs: (a) occupy a minimum amount of space in plan. (b) are used where there is insufficient space for normal L stairs. (c) create access for the handicapped. (d) are used to lessen the fatigue factor.

(b) are used where there is insufficient space for normal L stairs If you don't have room for a landing

When would you specify laminated glass over tempered glass? (a) safety (b) avoid distortion (c) contain heat

(b) avoid distortion

A row of windows above eye level that allows light to the inner space of a building or a high wall that usually rises above adjoining roofs and has a band of narrow windows along the top is a (a) double hung (b) clerestory (c) double glazed (d) casement

(b) clerestory

Beams are usually supported by: (a) girders (b) columns (c) joists (d) studs

(b) columns Girders are a type of beam. Yes, they do support smaller beams, but the main purpose of a column is to support beams.

Masonry units are formed using either heat or chemical action. Which of the following are formed by chemical action? (a) brick (b) concrete block (c) clay tiles (d) terra cota

(b) concrete block Masonry units start as a shapeless material which is then formed and hardened in one of 2 ways: Heat - brick, structural clay tile, terra cota Chemical Action - concrete block, concrete brick. Chemical action can occur in either water or air.

What is the the enclosure for electrical wiring called? (a) coaxial (b) conduit (c) circuit (d) panelboard

(b) conduit Conduit supports and protects the wiring, serves as a system ground, and protects surrounding construction from fire if the wire overheats or shorts.

Heat is lost through a window via: (a) conduction (b) convection (c) evaporation (d) radiation

(b) convection Conduction - Heat from warm body direct to cool body, via touch Convection - heat from warm surface to surrounding air Evaporation - Moisture to water vapor Radiation - heat through air, warm to cool

To prevent smoke passing through the door, you should specify: (a) automatic closer (b) draft seal (c) solid wood door

(b) draft seal

In partial renovation what must be maintained? (a) dust and ventilation (b) egress and fire protection (c) direct access and elevators

(b) egress and fire protection

Which is not considered part of the main egress system? (a) exit access (b) exit enclosure (c) exit (d) exit discharge

(b) exit enclosure Means of egress consists of 3 parts. 1. Exit access - leads to the entrance of an exit 2. Exit - provides protected path between access and discharge; fully enclosed; fire-rated construction. 3. Exit discharge - portion of an exit betwen the termination of an exit and a public way; typically include portions outside the exterior walls, such as exit balconies, stairways, and courts; may also include lobbies in multi-story buildings if certain conditions are met.

"Fidelity" as an architectural term applies to: (a) the integrity and unity of a design concept (b) faithful reproduction of sound (c) the loyalty of a designer to their school of thought (d) the subversive forces innate in materials of opposing nature

(b) faithful reproduction of sound

What is included for energy saving considerations in discussing the building envelope? (a) foundation, floors, walls, windows, doors, roof, skylights (b) foundation, walls, windows, door, roof, skylights (c) foundation, floors, walls, windows, decks, skylights

(b) foundation, walls, windows, door, roof, skylights

What are horizontal members that support a floor system? (a) bridges (b) joists (c) posts (d) studs

(b) joists

The door to a hazardous area for the visual impaired should? (a) change the surface texture of the flooring (b) knurled hardware (c) alarm (d) make wider

(b) knurled hardware A knurled surface has small knobs, beads, or pattern to allow for a better grip. Knurled knobs should be specified for doors accessible to blind persons that lead to dangerous areas.

Which of the following statements is TRUE about treads on a straight stair: (a) can be between 8" and 12" in depth (b) may not be less than 11" in depth (c) may not vary along the run of the stairs (d) is a standard 10 1/2" for each step.

(b) may not be less than 11" in depth Although we know that in residential, stair treads can be a minimum of 10" in depth, this answer choice is MORE true than the others.

What combination of combustible and non-combustible trim and decorations are permissible in occupancies, A, E, I, R-1, R-2? (a) noncombustible 10%, combustible 5% (b) noncombustible unlimited, combustible 10% (c) noncombustible 20%, combustible 20% (d) noncombustible 10%, combustible 30%

(b) noncombustible unlimited, combustible 10% In Group A occupancies, if the building is fully sprinklered, trim can be 75% of the aggregate area.

What is the most difficult slab type to cut out a stairs through? (a) reinforced concrete (b) pan and waffle (c) steel frame construction (d) wood fram

(b) pan and waffle

Which produces the most heat, is most toxic, and burns quickly? (a) rubber (b) plastic (c) wood (d) mineral fiber

(b) plastic

When would you not need barrier free restrooms? (a) restrooms under 100 people (b) private office single floor (c) industrial occupancy (d) building consisting of no handicap people

(b) private office single floor

What is the best installation method for a carpet to tile transition for a barrier free condition? (a) thin set tile (b) reduced threshold (c) carpet with pad (d) recessed tile

(b) reduced threshold

A cut made through a structure on a vertical or horizontal plane is a(n) (a) elevation (b) section (c) perspective (d) slice

(b) section

How can the interior designer best impact indoor air quality of a commercial office building? (a) increase fresh air intake (b) specify interior finishes that do not off-gas VOC's (c) make sure exhaust air is not re-circulated (d) use operable windows in every room

(b) specify interior finishes that do not off-gas VOC's A mechanical engineer would increase fresh air intake. An engineer would make sure exhaust air is not re-circulated. And an architect would specify operable windows in every room.

If a stair riser is 6 1/2", which would the tread be according to the riser/tread ratio? (a) 10-1/4" (b) 11" (c) 7-1/2" (d) 12"

12" 2R + T = 25 2 x 6.5 = 13 13 + T = 25 T = 25 - 13 T = 12

One of the acoustical ratings given to building materials and assemblies is Sound Transmission Class (STC). This rating is concerned with: (a) impact noises (b) speech isolation (c) amplification (d) reverberation

(b) speech isolation Sound Transmission Class (STC) - is a single number rating used to rate the transmission loss of construction as it pertains to speech. Speech Range Absorption (SRA) - a single number rating for sounds that represents the frequencies of speech. Noise Reduction Coefficient (NRC) - measures the absorption of sound for materials at four frequencies of 250, 500, 1000, and 2000 Hz. Ceiling Attenuation Class (CAC) - measures the transmission loss through ceiling TILES Impact Insulation Class (IIC) - a single number rating of a floor/ceiling's impact sound performance Articulation Class (AC) - Single number summation of how effective a ceiling is in absorbing sound reaching it form over low partitions Articulation Index (AI) "AI means all in" - Measures the performance of all the elements of a configuration working together, including ceiling absorption, space dividers, furniture, light fixtures, partitions, background masking systems, and HVAC system sound Amplification is increasing the volume of sound while Reverberation is the prolonging of sounds.

What would not be load bearing? (a) steel column with gypsum board (b) steel studs with gypsum board on either side (c) masonry walls for fire exits (d) concrete beams

(b) steel studs with gypsum board on either side

The principle test used to determine both the flame spread and smoke development ratings for building materials and interior finishes is the: (a) radiant panel test (b) steiner tunnel test (c) corner test (d) CAL 133

(b) steiner tunnel test Steiner Tunnel test is ASTM E84. Radiant panel test is NFPA 253/ASTM E648 and tests flame spread rating of flooring in corridors. The Room Corner Test measures extent to which wall & ceiling finish, excluding textiles, contributes to fire growth (NFPA 286). CAL 133 is the Full Seating Test where a chair sample is tested to an open flame (NFPA 266).

Which steps are preferred by the handicapped? (a) steps with a free form, rounded nosing (b) steps with a flat tread and slightly rounded nosing (c) floating steps

(b) steps with a flat tread and slightly rounded nosing

In wallboard construction, the depth of the metal wall stud depends on which of the following guidelines? (a) the fire rating of the wall (b) the height of the partition, the gauge of the stud, spacing of the wall studs, and the number of layers of wallboard (c) the thickness of the wallboard being used (d) the acoustical rating of the wall

(b) the height of the partition, the gauge of the stud, spacing of the wall studs, and the number of layers of wallboard FYI: The most common size is 2 1/2". This depth is sufficient for normal ceiling heights and slab to slab partitions. It allows enough room for electrical boxes and small pipes. The studs are normally placed 16" or 24" on center.

In commercial construction, a standard gypsum board partition can be constructed to meet a one-hour hire rating or for sound control, if which of the following is done? (a) the partition is constructed from floor to ceiling (b) the partition is constructed from floor slab to structural ceiling (c) the insulation in the wall is urethan foam (d) the gypsum board is 1/2" thick

(b) the partition is constructed from floor slab to structural ceiling Floor slab to structural ceiling is considered a slab to slab partition making this the best option. A is incorrect because it must be slab to slab. We cannot assume ceiling is referring to slab as it could mean a drop ceiling or acoustic ceiling. C is incorrect because insulation may help sound control, but will not help with fire-rating. For D, gyp alone will not meet fire-rating; all of the factors must be present.

In a plenum, how can a fire be prevented from spreading horizontally? (a) install sprinkler systems (b) use fire-rated dividers (c) use fiberglass materials (d) install fire dampers

(b) use fire-rated dividers Using fire-rated dividers limits the spread of fire and smoke horizontally; it is usually an extension of a fire-rated partition. Dampers automatically close in the event of a fire. They are located in locations where a fire wall is penetrated. In the space between a suspended ceiling and the structural floor above, fire-rated dividers are required if partitions do not extend through the plenum. Fire dampers are used in partitions and other fire-rated separations to allow fire-rated openings for duct work.

Which is most flammable? (a) Class A, Type II wallcovering (b) wood with varnish (c) paint (d) carpet (nylon)

(b) wood with varnish

What NRC (Noise Reduction Coefficient) would you need to have for an office carpet? (a) 0.05 (b) 0.10 (c) 0.50 (d) 0.90

What is the minimum height of reach for a forward approach? (a) 1'-0" (b) 1'-6" (c) 1'-3"

Fire partitions, which include demising walls, typically require a __ rating? (a) 1/2-hour (b) 3/4-hour (c) 1-hour (d) 2-hour

(c) 1-hour A fire partition is a wall assembly with a fire-resistance rating of 1-hour, used in the following locations: -walls separating dwelling units (ie apartments, dorms, assisted living) -walls separating hotel guest rooms -corridor walls -elevator lobbies in institutional or high-rise buildings. A fire barrier offers more protection than a fire partition, is continuous from floor slab to underside of floor slab above, and is used in the following locations: -enclose vertical exit enclosures (stairways), horizontal exits, exist passageways, incidental use areas, etc. -separate different occupancies in a mixed occupancy situation -separate single occupancies into different fire areas

What is the fire rating on a door that is in a 2-hour wall? (a) 20 min (b) 3/4 hour (c) 1.5 hour (d) 2 hour

At what rate should a plumbing waste pipe drop? (a) 1" per foot (b) 2" per foot (c) 1/8" per foot (d) 1/16" per foot

The distance for lower and upper forward reach from a wheelchair is: (a) 18" - 36" (b) 25" - 65" (c) 15" - 48" (d) 24" - 48"

What is the maximum rise for ramp? (a) 2'-2" (b) 2'-3" (c) 2'-6"

What is the distance for a passage point clearance between obstructions in planning for barrier free installations? (a) 3'-0" radius (b) 2'-6" diameter (c) 2'-8" clearance (d) 5'-0" diameter

The minimum clear floor space required for a wheelchair is: (a) 36"x40" (b) 36"x48" (c) 30"x48" (d) 30"x40"

The distance recommended for a handicap ramp on an existing building to achieve a 30" rise would be: (a) 40' (b) 25' (c) 30' (d) 18'

An entrance to a building is 30" above grade. According to ADA regulations, what is the minimum length for a ramp? (a) 10'-0" (b) 24'-0" (c) 30'-0" (d) 36'-0"

(c) 30'-0" The ratio of rise to run is 1:12 (1" of rise for every 12" of run). 1/12 = 30/X X=12 x 30 = 360" Now convert to feet: 360"/12" = 30'

Egress doorways shall have minimum clear and free width of ____ and a maximum door leaf of ____. (a) 30" and 36" respectively (b) 32" and 36" respectively (c) 32" and 48" respectively (d) 36" and 38" respectively

(c) 32" and 48" respectively Clear width is measured between the face of the door and the doorstop when the door is open 90 degrees, i.e. a 36" door has a clear width of approx 32". Egress doors must be at least 80" high.

What is the maximum height of the rim of a sink in a barrier-free application? (a) 27" (b) 29" (c) 34" (d) 36"

What is the minimum clearance for an accessible restroom stall? (a) 32" (b) 28" (c) 36" (d) 24"

What is the maximum grab bar height in a barrier-free commercial restroom? (a) 28" (b) 33" (c) 36" (d) 30"

What is the minimum distance between a double door vestibule - one swings in and one swings out of the vestibule? (a) 3 times the width of the door (b) 2 times the width of the door (c) 48" plus the width of the door at 90 degrees (d) 48" clear

What is the minimum clear space to make a 180 degree turn in a wheelchair? (a) 3'-6" (b) 4'-6" (c) 5'-0"

In a barrier free interior, the floor on both sides of a door must be level for a minimum of: (a) 36" (b) 48" (c) 60" (d) 72"

What is the minimum percentage of a building's appraised value that would cause an alteration to comply with handicapped codes? (a) 40% (b) 50% (c) 60% (d) 80%

A wall sconce you have specified will protrude 6" from the wall. What is the minimum height AFF at which the fixture can be installed? (a) 72" (b) 76" (c) 80" (d) 84"

There are a number of considerations that are important in designing a safe and accessible residential bathroom. Which of the following is NOT a consideration? (a) There should be at least 48 inches of clear space in front of a lavatory. (b) Ground fault circuit interrupters must be specified on all receptacles (c) A mechanical ventilation system must be provided. (d) The minimum clearance from the center of the toilet to any obstruction is 16"-18"

(c) A mechanical ventilation system must be provided. For answer A, a portion of the clear space (19" max) can extend under the lavatory. Answer choice C is correct because it is not a safety or accessibility issue.

Interior wall and ceiling textile finishes are classified in accordance with which IBC specific testing method or standard? (a) NFPA 701 (b) NFPA 286 (c) ASTM E84 (d) NFPA 265

(c) ASTM E84 The keywords here are "wall" and "ceiling textile". The Steiner Tunnel Test (ASTM E84) is for flame spread rating of finishes. NFPA 701 is the vertical ignition test for window coverings. NFPA 286 is wall and ceiling other than textiles; alternate to ASTM E84. Notice it does not include textiles. NFPA 265 is the Room Corner Test of textile wall finishes. Notice it does not include ceiling.

In masonry joints a number of patterns are possible. This is an example of: (a) Common Bond (b) English Bond (c) Flemish Bond (d) Running Bond

Which of these statements are not true? (a) In some situations the class rating of finishes may be reduced if sprinkler systems are provided. (b) Different parts of an occupancy can have different fire ratings. (c) If the finish on a wall is rated, the wall itself does not have to be rated.

To test for flammability of a carpet, which test would be used? (a) Steiner tunnel test (b) Radiant panel test (c) Methenamine pill test

(c) Methenamine pill test This test is for flammability. Steiner Tunnel tests for flame spread/smoke density/fuel contribution while Radiant Panel tests for flame spread in corridors.

Which type is the worst performance on the Steiner Tunnel Test? (a) Type A (b) Type B (c) Type C (d) Type D

Which of the following rooms or areas would NOT be allowed as a path of travel for a means of egress? (a) a secretarial area in an insurance firm (b) a reception area in an attorney's office (c) a storage/file room in an accounting firm (d) the front lobby of a large advertising firm

(c) a storage/file room in an accounting firm Exiting is not permitted through kitchens, storerooms, restrooms, closets, or similar spaces. Also sleeping areas cannot exit into another sleeping area.

The most restrictive type of occupancy classification is: (a) residential (b) business (c) assembly (d) mercantile

The principal consideration in acoustic control is the sound absorptive quality of the: (a) floor (b) walls (c) ceiling (d) roof

(c) ceiling Actually, in large rooms the ceiling treatment is the most effective. In smaller roms, the wall treatment is more effective.

The following diagram in plan indicates a: (C-shaped metal piece in between a layer of gypboard) (a) nailable stud (b) "C" stud (c) channel stud (d) "J" beam

What must be modified to achieve acoustic separation of perimeter offices? (a) acoustic tile (b) wall stud to deck (c) convector (d) wall area

A lady with mobility issues moves into a 33-year-old house and needs to replace the windows. Which windows would you specify? (a) double hung (b) fixed windows (c) crank casement (d) jalousie window for air ventilation

Two parallel sheets of glass with air space between which forms a layer of insulation and must be airtight to prevent condensation build-up is a __________ window. (a) double hung (b) clerestory (c) double glazed (d) casement

What is not included in the Life Safety Code? (a) ceiling heights (b) handrails (c) electrical wiring

(c) electrical wiring 6'-8" headroom is needed for means of egress and handrails are included for exiting, ramps, stairs, etc.

The lobby of a building from the stair enclosure to the exterior door is called: (a) exit passageway (b) exit access (c) exit discharge (d) exit refuge

(c) exit discharge Means of egress consists of 3 parts. 1. Exit access - leads to the entrance of an exit 2. Exit - provides protected path between access and discharge; fully enclosed; fire-rated construction. 3. Exit discharge - portion of an exit betwen the termination of an exit and a public way; typically include portions outside the exterior walls, such as exit balconies, stairways, and courts; may also include lobbies in multi-story buildings if certain conditions are met.

Which of the following areas have the most stringent fire codes? (a) kitchen (b) exit corridor (c) exit stair (d) public toilet

Pieces of sheet metal covering the joints or angles between a roof and vertical surface that prevents leakage / passage of water into a structure is: (a) mullion (b) curtain wall (c) flashing (d) lathing

In arranging exits in a space, what should be the minimum distance between means of egress? (a) 200" (b) the distance of the diagonal of the building area (c) half the distance of the diagonal of the building area (d) twice the distance of the diagonal of the building area

(c) half the distance of the diagonal of the building area The reason for this is to position the exits far enough apart so that a fire or emergency will not block BOTH exits.

What best describes tempered glass? (a) a heavier plate glass (b) a tinted glass that absorbs thermal stress (c) heat strengthened for resistance to impact and thermal stress (d) two sheets of glass with a sheet of plastic laminate between them

(c) heat strengthened for resistance to impact and thermal stress Answer choice D is actually describing laminated glass.

In designing interiors to be free of barriers for handicapped or disabled persons, current reference literature: (a) is confined to the chair bound (b) concentrated on the manipulatory and ambulant disabled (c) includes the blind and deaf as well as the manipulatory and ambulatory (d) includes mental as well as physical handicaps

What is not determined in a code search? (a) occupancy load (b) building type (c) installation of acoustical method

When calculating floor area of a building for egress considerations, which is included in the net floor area of the building? (a) corridors (b) toilet rooms (c) kitchens (d) stairways

(c) kitchens Net area does NOT include primary and secondary circulation space, closets, electrical & telephone equipment rooms, exterior walls, or the building core. For example, it would not include the public circulation of a leased building or corridors in leased areas that connect to the primary circulation areas of the building. Gross area includes stairs, corridors, toilet rooms, mechanical rooms, closets, and interior partition thicknesses.

Horizontal member placed above an opening to support the load above is: (a) louver (b) keystone (c) lintel (d) joist

Window treatments in office buildings: (a) are not considered in fire ratings since they are not permanently attached and are located on the exterior of a building (b) meet fire ratings if the fabric is treated with a fire retardant finish (c) must meet NFPA 701 (d) must be flame resistant and not exceed 20% of the aggregate area of walls and ceilings.

What should the distance between two fire exits be? (a) 25' apart (b) travel distance exceeds 50' (c) no less than half the distance of the diagonal (d) no less than the distance of the diagonal

Which of the following wall and partition assemblies is INCORRECT with respect to the indicated fire rating? (a) wood 2x4 studs, 5/8" gypsum plaster on metal lath each side, 5 1/4" face-to-face thickness = 1 hour fire resistance rating (b) noncombustible metal studs, two layers of 1/2" Type-X gypsum board each side, 3 5/8" face-to-face thickness = 2 hour fire resistance rating (c) noncombustible metal studs, 5/8" gypsum plaster on metal lath each side, 4 3/4" face-to-face thickness = 2 hour fire resistance rating (d) wood 2x4 studs, 5/8" Type-X wallboard on each side, 4 3/4" face-to-face thickness = 1 hour fire resistance rating.

(c) noncombustible metal studs, 5/8" gypsum plaster on metal lath each side, 4 3/4" face-to-face thickness = 2 hour fire resistance rating (Reference: UL Design U419 - 1, 2, 3 or 4 Hour Wall Assembly - Installation Instructions and Ching Building Construction Illustrated, pg. A.13 for all answer choices). The material of the studs does not affect the fire rating. Only the number of layers of gypsum and the gypsum thickness. Answer C would satisfy the incorrect fire rating because this would be a 1-hour rating, not 2. You would need at least 2 layers of gypsum to equal a 2hr rating.

What is the minimum dimension for the bottom handrail extension on a stair handrail? (a) 18" from the bottom of the tread (b) a total of 34" minimum (c) not less than the depth of one tread beyond the bottom riser (d) depends on the depth of the tread, but cannot be less than 30"

Room signage in a hospital should be mounted? (a) centered on door (b) on latch side of door (c) on wall on latch side of door

The part of a door latching assembly incorporating a device that releases the latch upon force in the direction of exit is a (a) fire damper (b) standpipe (c) panic bar (d) closer

Construction elements that CONTROL THE SPREAD of fire, ie. fire doors and fire walls, are classified as: (a) fire prevention (b) active (c) passive (d) ASTM E84

(c) passive Fire prevention does not help "control"; purpose is to "prevent" from happening in the first place. Sprinklers actively fight fires, while passive elements prevents fire spread. ASTM E84 is the Steiner Tunnel Test and tests wall and ceiling finishes.

What determines the number of operable windows required in a space for ventilation? (a) volume of space (b) wall at largest dimension (c) percentage of floor area

A detached mass of masonry usually serving as a support describes a: (a) soffit (b) pilaster (c) pier (d) tympanum

What is the name for the vertical part of platform framing? (a) beam (b) joist (c) post

Which member would be most affected by the installation of a skylight? (a) sill (b) lintel (c) rafter

What is the best cabinet door hinge for a blind person? (a) piano (b) concealed (c) self-closing

Which of the following statements is TRUE about handrail for the stairs? (a) must be mounted between 36" and 42" above the front edge of the step (b) must have a 1 1/2" clear space between the handrail and the wall (c) should have a diameter between 1 1/4" to 2" (d) must be made of a non-slip material

(c) should have a diameter between 1 1/4" to 2" The gripping portion cannot be less than 1 1/4" or more than 2". For choice A, must be mounted 34" - 38" above the nosing of the treads and extend not less than 12" beyond the top riser. For B, must have a space at least 1 1/2", but no more than 4 1/2" between the wall and the handrail. For D, slipping would be in reference to flooring not stairs.

Life Safety Codes (a) are primarily intended to protect property from fire damage. (b) are used in some jurisdictions instead of building codes. (c) specify the location and number of exits in a building. (d) consider all factors necessary to produce safe buildings.

A lally column is: (a) a turned wood support (b) a vertical member supporting a handrail (c) steel filled with cement (d) a newel post

What type of glass should be used in a sliding glass door? (a) float (b) plate (c) tempered

(c) tempered Although float is typically used, tempered glass is a safety glass. It breaks into small pieces instead of shard, making it the best and safest option. Plate glass is the same as float glass.

A two hour wall assemble does NOT act as one of the following: (a) smoke barrier (b) fire barrier (c) vapor barrier (d) partition

What is the best type of handicap toilet to be installed? (a) pedestal (b) floor mounted (c) wall mounted (d) special bidet

What color is used for caution in hazardous area? (a) blue (b) red (c) yello

What NRC (Noise Reduction Coefficient) would you want for a ceiling tile if acoustics are a concern? (a) 0.05 (b) 0.10 (c) 0.50 (d) 0.90

(d) 0.90 Acoustic ceiling tiles are generally in the range of 0.65 to 0.90. In open plan offices, values of 0.85 or higher are recommended.

The minimum depth required for accessible lavatories is: (a) 24" (b) 21" (c) 19" (d) 17"

(d) 17" Must be between 17" - 25". Also the max height is 34" AFF.

When completing an interior design furniture plan, it is important to give consideration to any furnishings that could come close to the sprinkler heads of the building. The codes require that any panels or furnishings be at least ____ away from the sprinkler head deflectors. (a) 9 inches (b) 12 inches (c) 15 inches (d) 18 inches

(d) 18 inches Reference NFPA 13

Maximum counter height used for writing from a wheelchair: (a) 36" (b) 34" (c) 29" (d) 30"

(d) 30"

What is the maximum dimension of a stair riser? (a) 6" (b) 9" (c) 6.5" (d) 7"

(d) 7" IBC limits risers to 7" (7.5" in residential). Treads must have a minimum width of 11" (10" in residential)

What agency sets the standard for testing for flammability of carpet? (a) Health and Human Services (b) Consumer Product Safety (c) OSHA (d) ASTM

(d) ASTM The American Standard for Testing & Materials. Health and Human Services is for sanitary. Consumer Product Safety is for fire, but don't set the standard for flammability of carpet. OSHA is standards for the workplace.

What is one of the most commonly used flammability tests for building construction, such as wall and ceiling assemblies? (a) UL (b) NFPA 258 (c) ASTM E84 (d) ASTM E119

(d) ASTM E119 UL - Underwriter's Laboratory, NFPA 258 is the Optical Smoke Density Test also known as ASTM E662, ASTM E84 is the Steiner Tunnel Test which tests flame spread rating of finishes. ASTM E119 is the wall/floor/ceiling assembly test.

When selecting mechanical systems for a project, the architect and mechanical engineering consultant should consider which of the following factors? I. Skill of the owner's maintenance staff. II. Weight of the equipment. III. Noise characteristics of the equipment. IV. Operating clearances. (a) II and IV (b) II, III, and IV (c) III only (d) I, II, III, and IV

(d) I, II, III, and IV

Which of the following would not typically be used to test upholstery fabric for a lounge chair? (a) Smolder Resistance Test (b) Steiner Tunnel Test (c) Smoke Density Test (d) Radiant Panel Test

(d) Radiant Panel Test This test is used for FLOORING

Which of the following methods helps to minimize acoustic problems in space planning? (a) Design a barrel vaulted hallway. (b) Design a circular room. (c) Maximize the common wall area between two rooms. (d) Stagger doorways.

(d) Stagger doorways. Staggering doorways in halls and other areas help to avoid providing a straight-line path for noise.

Where would you find the highest rating for a fire door? (a) ASTM (b) UBC (c) NSB (d) UL

(d) UL The Underwriter's Laboratory would have high ratings for a fire door

Which of the following stair types may not be used as an exit stair in a commercial building? (a) straight stair (b) an L-shaped stair (c) a U-shaped stair (d) a winder stair

(d) a winder stair Winding, curved, and spiral stairways can only be used as exit stairs in private homes, apartments, or condominiums if they meet specific requirements.

Building codes are primarily concerned with: (a) hazardous materials and construction requirements (b) height of buildings and occupancy loads (c) fire egress and extinguishing systems (d) all of the above

(d) all of the above Building codes are concerned with all the above.

The Life Safety Code has been developed by the National Fire Protection Association and is specific in the following areas: (a) egress facilities, fire-protection equipment, smoke control, sprinklers (b) fire-protection equipment, smoke control, egress facilities (c) interior finishes, egress facilities, fire-protection equipment, smoke control (d). all of the above on Life Safety Code

(d) all of the above on Life Safety Code (Reference www.nfpa.org) Life Safety Code addresses the following: Danger to Life from Fire, Egress Facilities, Other Fire-Related Considerations, Considerations Not Related to Fire, Areas Not Addressed

Select the most correct statement. Building codes (a) suggest ideal solutions to technical construction problems. (b) are intended to insure that buildings will be structurally safe until the arrival of the fire department. (c) are concerned only with assemblies of construction materials and systems, whereas zoning codes deal with the uses of a building. (d) are concerned with containing fires to that a fire in one building will not damage other buildings.

(d) are concerned with containing fires to that a fire in one building will not damage other buildings.

A door assembly rated for 45 minutes and equipped with a sidelight is typically used in what type of wall? (a) as a fire wall separating two buildings (in a 3-hour wall) (b) as a non-rated interior door (in a partition wall) (c) as the entry door to a fire stair (in a 2-hour wall) (d) as an access door (in a 1-hour wall)

(d) as an access door (in a 1-hour wall) A 1-hour wall typically only requires a 20-minute door in a 1-hour rated exit access corridor, but the question does not tell us if the door is in a corridor, therefore this is the best answer here. Reference the locations where 1-hour walls with 45 minute doors would be required. A-C are incorrect because occupancies would be separated by a 1-hour wall with a 45-minute door, the question tells us the door is rated, and a 2-hour wall needs a 1 1/2 hour door.

A ramp for the handicapped must have landing with a minimum area of 5' x 5': (a) every 12 lineal feet (b) at the top and bottom of the ramp (c) wherever ramp changes direction (d) both B and C

(d) both B and C

Why is fire rating for a door less than fire resistance rating of a wall? (a) smaller coverage area (b) less apt to store combustibles in front of egress (c) more strenuous testing on doors prior to installation (d) both a and c

(d) both a and c From the Codes Guidebook for Interiors: Doors undergo more strenuous testing, make up only a portion of an entire wall, are not generally exposed to the same level of fire as walls, and are not structural elements.

A window having a hinged or pivoted sash on one side so that it opens / swings outward or inward is a __________ window. (a) double hung (b) clerestory (c) double glazed (d) casement

(d) casement

A building facade, non-load bearing, which transfers horizontal (wind) loads to the main building structure and is typically glass, steel, aluminum: (a) roof (b) pilaster (c) retaining wall (d) curtain wall

(d) curtain wall

What is not a requirement of a handicapped accessible tub? (a) spray shower hand unit (b) faucet in control area (c) shower seat at tub head (d) enclosures

(d) enclosures ADAAG (ADA Accessibility Guidelines for Buildings & Facilities) 4.20 Bathtubs. If enclosures are provided, they shall not obstruct controls or the transfer from wheelchair into tub.

Exterior sheet metal work over windows and doors to prevent leakage of air and moisture is called? (a) mullions (b) fenestration (c) grout (d) flashing

(d) flashing

What are the 4 types of disability covered by the ADA? (a) cognitive, sensory, mobility, dexterity (b) psychological, sensory, dexterity, mobility (c) mobility, cognitive, psychological, visual (d) hearing, visual, mobility, dexterity

(d) hearing, visual, mobility, dexterity

Baseboard heights are generally shown on: (a) shop drawings (b) floor plans (c) schematics (d) interior elevations

(d) interior elevations

A horizontal supporting (framing) member that typically supports a ceiling, roof, or floor and is often supported by beans is a: (a) lintel (b) cornice (c) pilaster (d) joist

(d) joist

A vertical bar separating the two glass surfaces in a window is a: (a) sash (b) spandrel (c) toggle (d) mullion

(d) mullion The horizontal bar separating 2 pieces of glass is a muntin

A flat faced column projecting from a wall surface is a: (a) soffit (b) peristyle (c) cormandel (d) pilaster

(d) pilaster

The underside of a beam, lintel, or reveal is known as a: (a) lambrequin (b) plinth (c) plenum (d) soffit

(d) soffit

In designing a new space, the interior designer can influence life safety the most by coordinating with consultants concerning: (a) compartmentalization (b) fire detection (c) smoke control (d) sprinklers

(d) sprinklers The Interior Designer must coordinate location of sprinklers with other ceiling mounted items (ie. recessed lighting & any interferences). The interior designer would most likely be able to influence the design of sprinklers by coordinating with the mechanical or fire protection engineer during the construction documents phase for a project. Typically the architect has already done compartmentalization by the time the interior designer comes in. The mechanical engineer specified and locates fire detection devices required, and the architect or engineer maintains smoke control.

In a hazardous situation where safety glazing is required, you should specify: (a) float glass (b) wire glass (c) patterned glass (d) tempered glass

(d) tempered glass When they refer to hazardous, this means "subject to human impact". Hazardous situations require safety glazing. Laminated glass and tempered glass are both considered safety glazing. These 2 types of glass have high impact resistance and either break into tiny pieces rather than shards (tempered glass) or the pieces are held together by the interlayer (laminated glass) If you need a glass for fire-rating, you must use wire glass. Therefore, remember: HAZARDOUS = SAFETY GLAZING (TEMPERED OR LAMINATED) FIRE = FIRE RATED (WIRE GLASS)

In placing EXIT signage in a public space it is not necessary to consider: (a) horizontal arrows pointing in the direction of egress (b) harmony with aesthetics of the space (c) ready visibility (d) that lettering be placed on a matte background

(d) that lettering be placed on a matte background This answer choice has nothing to do with locating the exit signage.

When discussing building limitations in the building code, the issue of "protected" and "unprotected" is often a source of confusion. "Protected" means: (a) the building uses an automatic sprinkler system (b) mill construction or heavy timbers are used (c) a fire wall or party wall has been used (d) the structural elements of the building have been treated to increase their fire resistance

(d) the structural elements of the building have been treated to increase their fire resistance When referring to "protected" as a general term, it will typically be in reference to fire protection. Answer D encompasses all the elements of "increasing fire resistance" of a building. Answer A and C would be individual ways in which fire resistance/suppression could be attained.

Where is the junction box for a power pole located? (a) In the plenum (ceiling) (b) In the floor (c) In the switchroom

(a) In the plenum (ceiling) Junction boxes are enclosures for housing and protecting electric wires or cables that are joined together in connecting or branching electric circuits. A plenum is the space between a suspended ceiling and the main structure above, and can be used for mechanical systems, wiring, and other services.

What is required that you do to protect occupants from hazardous materials? (a) Surround with a 1 hour wall (b) Surround with a 2 hour wall (c) Paint the door red (d) Move all hazardous materials off-site

(a) Surround with a 1 hour wall Rating should not be less than 1 hour (NFPA 6.4.1 "Special Hazard Protection"

Which agencies are responsible for testing interior materials? (a) UL (b) OSHA (c) Construction Association (d) NFPA

(a) UL Underwriter's Laboratory

Which of the following labels is required by code for a 20-minute rated wooden door? (a) UL (b) CPSC (c) UFAS (d) BOCA

(a) UL Underwriters Laboratory would label is required.

STC rating is used to provide an evaluation of the space in terms of: (a) acoustical quality (b) This term does not exist in construction (c) fire resistance ability (d) light reflectancy and absorption

(a) acoustical quality STC = Sound Transmission Class; used to rate the transmission loss of construction. The higher the STC rating, the better the barrier is at stopping sound. STC = Quality NRC = Reduction Walls & floors are typically rated with an STC value.

Which of the following does not apply to the Life Safety Code? (a) air pollution (b) minimum ceiling height (c) hand rails (d) ramp materials

(a) air pollution

Vertical members used between double doors to seal the opening and provide extra security when the doors are closed are known as: (a) astragals (b) door stops (c) mullions (d) spandrels

(a) astragals

What is the most important to consider for barrier-free accessibility? (a) building code (b) fire code (c) texture of finishes (d) hall widths

(a) building code

Softwoods are primarily used for: (a) building construction (b) furniture (c) firewood (d) resins and turpentine

(a) building construction Softwoods such as pine, fir and spruce are primarily used for building construction. Furniture is primarily made from hardwood.

What determines the width of the exit doors? (a) building occupancy (b) square footage (c) construction type (d) classification

(a) building occupancy Exit width is calculated by using the occupant load of the area. UBC 1003.2.3.2 and 1003.3.1.3

What makes wood fire retardant? (a) chemically impregnated finishing (b) wolmanizing (c) varnish (d) vinylizing

(a) chemically impregnated finishing

What is the most important in selecting vinyl wallcovering? (a) class (b) gauge (c) type

(a) class This indicates fire rating, which is the most important. Gauge indicates durability while type is for weight.

What is the most important quality of vinyl wallcovering in a commercial space? (a) class rating (b) adhesive back/glue (c) texture (d) type

(a) class rating This is a fire rating. Type only refers to durability/weight.

The Radiant Panel Test is used to evaluate which area? (a) corridors (b) sleep rooms (c) walls

(a) corridors The Radiant Panel Test is applicable only to carpet installed in corridors and has no application to room installations.

The Uniform Building Code (UBC) was first published by International Conference of Building Officals (ICBO) a reference work: (a) covering the health and safety standards for public buildings (b) containing performance information on interior construction materials (c) of dubious value because it fails to cover new information on interior construction (d) which fails to acknowledge use and occupancy as criteria for public safety

(a) covering the health and safety standards for public buildings

In an overhead storage, what is the most critical in determining the mounting height for barrier free access? (a) depth of worksurface (b) width of worksurface (c) depth of cabinet (d) width of cabinet

(a) depth of worksurface

What is the characteristic of a Class A fire-rated carpet? (a) does not ignite (b) does not burn (c) does not smolder

(a) does not ignite

A window consisting of an upper and lower sash that slide vertically in the side jambs (can open 50%) is a __________ window. (a) double hung (b) clerestory (c) double glazed (d) casement

(a) double hung

Which of the following are not types of interior doors? (a) double hung and jalousie (b) sliding and folding (c) paneled and solid core (d) swing and hollow core

(a) double hung and jalousie

The reason exposed spline ceilings are preferred over concealed spline ceilings in a plenum cavity building is: (a) easier maintenance (b) concealed HVAC (c) integration of lighting and acoustical control (d) to avoid the use of asbestos tile

(a) easier maintenance

A drawing that represents an object or structure projected on a vertical plan is a(n) (a) elevation (b) section (c) perspective (d) slice

(a) elevation

Which best describes "Travel Distance" in 500 square feet of an office building? (a) farthest distance from client space to nearest exit (b) entrance to client space to an exit (c) exit to exit

(a) farthest distance from client space to nearest exit

What is the most important place for fire-rated walls? (a) fire exit stairwells (b) children's classroom (c) open office plan (d) airport lounge

(a) fire exit stairwells While all the locations can benefit from fire-rated walls, the MOST important place is to have them is where there is a fire exit enclosure, including fire exit stairwells as they are meant for safe egress and protection from fires.

In which of the following are mechanical and electrical equipment more easily concealed above a finished ceiling? (a) flat slab building (b) pan joist building (c) beam and girder building (d) bar joist system

(a) flat slab building

Wood strips fastened to a wall, enabling finished wall materials to be applied is: (a) furring (b) flue (c) framework (d) lintel

(a) furring

What determines the maximum travel distance? (a) furthest point of the tenant space to an exit (b) entry to the exit (c) the number of exits

(a) furthest point of the tenant space to an exit

Safety glass is required in which of the following conditions? (a) glazing in swinging doors, storm doors, or when the bottom edge of the pane is less than 18" above the floor (b) glazing i nshowers and bathtubs or when the pane is greater than 9sf (c) sidelites 24" from a door frame and 60" above the floor (d) glazing in unframed swinging doors or when the pane is greater than 9sf

(a) glazing in swinging doors, storm doors, or when the bottom edge of the pane is less than 18" above the floor Safety glazing is required in hazardous areas subject to human impact. According to the IBC, safety glazing is required in the following locations: 1. Glass (>3") in doors (including swinging and sliding doors; storm doors) 2. Shower and bath enclosures (pools and similar fixtures as well) (within 60" of pool) 3. Glazing near stairways, ramps, and landings 4. Sidelites within 24" of the door frame and less than 60" above the floor 5. Certain locations in walls that could be considered a "walk-through" hazard: Greater than 9 sf, Lower edge less than 18" from the floor, Upper edge more than 36" above the floor and there is a walking surface with 36" horizontally of the window.

Sprinkler activation is based on? (a) heat (b) building security system (c) noise level (d) fire

(a) heat The heat melts the gasket.

Class A, Class 1 fabric will not: (a) ignite (b) smolder (c) burn (d) char

(a) ignite

Which of the following window type will NOT meet life-safety standards? (a) jalousie (b) double-hung (c) sliding (d) casement

(a) jalousie A jalousie window consists of individual horizontal pieces of glass, about 3-4" wide, that all pivot outward at once for ventilation. It is impossible to get a good seal on the joints because single panes of glass are used. This type of window is seldom used anymore.

What is the reason for using plastic glazing in a commercial installation? (a) less breakage (b) temperature control (c) cost (d) durability

(a) less breakage

A horizontal architectural member supporting the weight above an opening (ie. window or door) is a: (a) lintel (b) cornice (c) pilaster (d) spandrel

(a) lintel

What is the top board along a window? (a) lintel (b) joist (c) spandrel

(a) lintel

The enclosed space between a dropped ceiling and the structural ceiling that is used for airflow, mechanical systems, wiring / conduits, or other services is the (a) plenum (b) casement (c) attic (d) footing

(a) plenum

What is the minimum clear width for the accessible route of a single wheelchair? (a) 3'-0" (b) 3'-6" (c) 4'-0"

(a) 3'-0" Typical passage point requirement: 32" at a doorway 36" at an accessible doorway 60" for (2) wheelchairs at a passage

What is the minimum residential doorway clear opening size per ADA? (a) 32" (b) 36" (c) 28" (d) 48"

(a) 32" ADA Accessibility Guidelines (ADAAG 4.13.5) - Doorways shall have a minimum clear opening of 32". Openings more than 24" deep must be 36" wide. Less than or equal to 24" deep must be 32" wide door

What constitutes a one hour fire wall? (a) 5/8" layer gypsum board both sides of the stud slab to slab (b) two layers of gypsum board slab to slab on stud (c) a piece of plywood on either side of stud

(a) 5/8" layer gypsum board both sides of the stud slab to slab Two layers of gypsum board slab to slab on stud would produce a 2-hour fire wall. Plywood would not make a fire wall.

In checking signage details when preparing contract documents, you are verifying that in an accessible space, a certain amount of clear space has been maintained below each sign or other ceiling projection. That clear space must measure at least: (a) 80" (b) 82" (c) 84" (d) 90"

(a) 80" Protruding objects on a wall can be no more than 4" deep if located between 27"-80" AFF

This ceiling detail shows: (ceiling tile with a pin coming out of the ceiling and a spline that is halfway visible in between the tile) (a) A recessed spline with acoustical tile (b) A concealed spline with acoustical tile (c) An exposed spline with acoustical tile (d) A suspended lighting troffer

(a) A recessed spline with acoustical tile

Which of the following tests are associated with vinyl wallcovering (a) ASTM E84 Steiner Tunnel Test (b) Methenamine Pill Test (c) the Chamber Test (d) the Radiant Panel Test

(a) ASTM E84 Steiner Tunnel Test The Steiner Tunnel Test rates materials and classifies them according to their flame-spread rating. Class A - most fire resistant. Methanamine Pill Test (ASTM D2859) tests carpets and rugs. The Chamber test is for Smoke Density (NFPA 258/ASTM E662) and the Radiant Panel Tests flooring (NFPA 253)

What is the purpose for a fire alarm system in a commercial space? (a) Alert tenants of possible smoke/fire. (b) Keep from spreading. (c) warn adjacent buildings.

(a) Alert tenants of possible smoke/fire.

The highest rating for a fire rated door is? (a) B (b) IV (c) E

(a) B

HVAC stands for (a) Heating, Ventilating, & Air Conditioning (b) Humidity, Ventilation, & Air Control (c) High Voltage & Alternative Currents (d) High Velocity Air Control

(a) Heating, Ventilating, & Air Conditioning

What is the minimum number of exits for a TENANT SPACE of 2500 sq. ft.? (a) 1 (b) 2 (c) 3 (d) 4

(a) 1

In a 3,000 square foot tenant suite, how many exits are required? (a) 1 (b) 2 (c) 3 (d) 4

(a) 1 3000 / 100 = 30 people 30 < 49, therefore 1 exit is needed

In a 1,000 square foot tenant suite, how many exits are required? (a) 1 (b) 2 (c) 3 (d) 4

(a) 1 First calculate the occupancy load. Total of sf of floor/ occupancy factor. The occupancy factor is based on the type of occupancy. For example, it is 100 for a Business occupancy. Therefore 1,000 / 100 = 10 people Maximum load for Business occupancy = 49 people for 1 exit.

When trims and decorative finishes are kept to a minimum, they usually have a lower rating than that typically required by fire codes. What is the percentage of wall and ceiling area that the trim cannot exceed? (a) 10% (b) 15% (c) 20% (d) 25%

(a) 10%

Stairs: The finished floor to finished floor height is 12'-6". The riser is 7.5" and tread is 10.5". What is the length of the run? (a) 17'-6" (b) 17' (c) 13'-1.5" (d) 18'

(a) 17'-6" Convert height 12'-6" to inches = 150" 150" / 7.5 (riser) = 20 risers 20 x 10.5 (treads) = 210" overall run 210" / 12 = 17'-6"

What is the maximum slope for a ramp in new construction? (a) 1:12 (b) 7:10 (c) 2:3 (d) 1:10

(a) 1:12 1:12; 1" for every foot

How large can a room be before it requires sprinklers? (a) 225 square foot, maximum spacing - 15 feet between sprinkler heads (b) 250 square foot, maximum spacing - 15 feet between sprinkler heads (c) 250 square foot, maximum spacing - 20 feet between sprinkler heads (d) 250 square foot, maximum spacing - 25 feet between sprinkler heads

(a) 225 square foot, maximum spacing - 15 feet between sprinkler heads

What is the minimum clear width for a ramp or sidewalk? (a) 3'-0" (b) 3'-3" (c) 2'-6"

NCIDQ Class 2 HW - Codes, Building Systems & Construction

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