NCIDQ IDFX EXAM QUESTIONS WITH
CORRECT ANSWERS
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
CORRECT ANSWERS
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
