Exam (elaborations)

NCIDQ IDFX Questions And Answers Latest Top Score.

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NCIDQ IDFX

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NCIDQ IDFX

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Uploaded on October 18, 2024
Number of pages 49
Written in 2024/2025
Type Exam (elaborations)
Contains Questions & answers

ncidq idfx questions and answers latest top score

Institution NCIDQ IDFX
Course NCIDQ IDFX

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NCIDQ IDFX Questions And Answers
Latest Top Score.

Advantages of Gypsum Drywall - correct answer. low install cost, quick & easy
installation, fire resistance, sound control capability, easy availability, versatility, ease of
finishing & decorating, ease of installation of doors/other openings

Gypsum Drywall Edges - correct answer. Tapered: Most common; tapered on face
side along the long dimension of the panel & square edges at the end; allows for
application of reinforcing tape & joint compound without causing bulges at joints
Square: used where appearance is NOT a factor, for basic layers of 2-layer applications
& for veneer plaster work

Levels of Gypsum Drywall - correct answer. 1: plenums above ceilings & other areas
not normally open to view (tape embedded in joint compound w/ surface free of excess
compound
2. water resistant backing board (all joints & angles have tape embedded in joint & one
separate coat of compound
3. heavy or medium textured finishes/heavy-grade wallcovering ( 2 coats of compound)
4. Light textured or wallcoverings & where economy is concerned (3 layers)
5. all paints, severe lighting conditions (4 layers)

Studs are spaced how far apart? - correct answer. residential: 16" O.C.

commercial: 24" O.C.

Slip Joint - correct answer. prevent wall from being damaged if the structural floor
deflects

Plaster Construction - correct answer. 1. Scratch Coat
2. Brown Coat (level surface)
3. Finish Coat (Leveling & desired texture)
*Add Trim

Masonry Block Dimensions - correct answer. 8"x8"x16" (-3/8" for mortar joints)

,Demountable Partitions - correct answer. Consists of a system of individual
components that can be quickly assembled, disassembled & reused with nearly total
salvageability

consists of floor runners, ceiling runners, stud sections with clips to hold panels, &
prefinished gyp. wallboard panels

uses aluminum for framing

Definition: Hinges - correct answer. Consist of 2 leaves with an odd number of
knuckles on one leaf and an even number of knuckles on the other

knuckles are attached with a pin

knuckle + pin = barrel (finished with tip)

Types of Hinge Tips - correct answer. -flat button (most common; typical)
-hospital
-oval head (typical)
-steeple
-flush

Butt Hinge - correct answer. MOST COMMON; has both leaves fully mortised into the
frame and the edge of the door so the hinge is flush with the surface of the frame and
door

raised barrel hinge - correct answer. used when there is not room for the barrel to
extend past the door trim; OFFSET to allow one leaf to be mortised into the frame (kind
of has an L shape on each side)

swing clear hinges - correct answer. has a special shape that allows the door to swing
90 degrees or 95 degrees so the full opening of the doorway is available

definition: latches & locksets - correct answer. device to operate a door, hold in
position & lock it

latchset - correct answer. ONLY holds door in place; NO lock (i.e. restroom partitions)

lockset - correct answer. special mechanism that allows the door to be locked with a
KEY or THUMBTURN

mortise lockset - correct answer. installed in rectangular area cut out of door; more
SECURE than cylindrical and offers wider variety of locking options

,cylindrical - correct answer. most common; simple to install in holes drilled into door,
relatively inexpensive, most common in residential (like doors in home bedroom)

pre-assembled - correct answer. rectangular box that fits within a notch cut in the
edge of the door; easier to install than mortise; door knob OR lever can be used

center hung pivot - correct answer. allow door to swing in either direction & is
completely concealed

pivots CANNOT be used with a door stop (instead use a flexible strip of wool pile or
synthetic stripping can be rabbeted into the edge of the door) on the same side of the
door with both jambs because it makes it difficult to seal the door against sound or light
transmission on the hinge and strike sides

closers - correct answer. automatically return a door to its closed position after it is
opened

control the DISTANCE a door can be OPENED & thereby protect the door and the
surrounding construction from damage

door coordinator - correct answer. device that coordinates the closing sequence of the
two doors so that they close completely, rather than having the leaf with the astagral
close first and prevent the other leaf from closing

intumescent gasketing - correct answer. cannot be used alone; expands upon
exposure to heat and forms a tight, fire-resistant seal against the passage of smoke,
gases, and heat

Fire rated glazing - correct answer. -wired: mesh of wire embedded in the middle of
the sheet; NOT tempered & doesn't qualify as safety glazing for hazardous locations
-tempered, fire protective glass
-glass block

glazing beads - correct answer. used to hold the glass in place

framing glass - correct answer. glass set in small channel or angle frames at the top
and bottom and simply butt-joined on sides

Fire Rated Doors - correct answer. 1-hr rated exit access corridor or where a smoke &
draft assembly is acquired: 20 minutes door rated

occupancy separation: 3/4-hr door rated

1 hr rated exit stair enclosure: 1 hr door rated

2 hr rated exit stair enclosure: 1 1/2 hr door rated

, integrated ceilings - correct answer. suspended ceiling system specifically designed to
accommodate acoustical ceiling tile, light fixtures, supply & return air grilles, fire
sprinklers and partition attachment in a CONSISTENT, UNIFIED way

all proprietary systems intended to be used in commercial applications where the
partition lights & other elements connected to the ceiling change FREQUENTLY

all components designed for max. REUSABILITY & FLEXIBILITY

stainless steel - correct answer. used for its corrosion resistance, strength &
appearance

brass & bronze - correct answer. predominantly copper

in practical use, many alloys that are really brass are referred to as bronze

although corrosion resistant, it changes color with age & exposure to moisture in the air

finish carpentry - correct answer. exposed wood construction assembled AT THE JOB
SITE (i.e. doors & windows, door & window trim, standard wood base & other molding,
site-built stairs & handrails)

architectural woodwork - correct answer. CUSTOM, SHOP-fabricated millwork built of
lumber, finished wood & other materials

Finish carpentry grade - correct answer. determines the type & number of allowable
defects

-B & better: excellent for natural finishes/paint (supply limited)
-C select: slightly more defects & usually best grade to specify for painting & some
natural finishes
vertical grain: tends to warp less, more abrasion resistant, stain more uniformly, cut so
annual growth rings are PERPENDICULAR to face of board

plywood - correct answer. -made from an odd # of layers of thin veneer glued together
under heat & pressure
-used in FINISH carpentry (door trims, etc.)

particleboard - correct answer. -composed of small wood particles, fibers, and CHIPS
of various sizes mixed together in a binder and formed under pressure into a panel

-commonly used as a SUBSTRATE for natural and laminate veneers in architectural
woodwork construction (i.e. casework not built on site)

-most common, dimensionally stable; smooth surface; impact resistance

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NCIDQ IDFX Questions And Answers Latest Top Score.

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