Gypsum Construction Handbook Flashcards
- __________fastener should be used when 3/8”, ½” and 5/8” single layer gypsum panels are attached to wood framing.
A. 1-1/2” Type G bugle head
B. 1-1/4 Type S bugle head
C. 1-1/8” Type S bugle head
D. 1-1/4” Type W bugle head
- D Page 39
- __________is/are warning signs of fastener imperfections.
A. Darkening
B. Localized cracking
C. Protrusion of the fasteners
D. All of the above
- D Page 370
- Extended periods of ________ will discolor panel face paper.
A. High humidity
B. Low humidity
C. Cold weather
D. Strong sunlight
- D Page 355
- ⅜-inch gypsum panels are designed for framing centers up to ________.
A. 24 inches
B. 16 inches
C. 20 inches
D. 12 inches
- B Page 3
- _________is often caused by excessively fast drying of joint compounds.
A. Loose panels
B. Board sagging
C. Joint cracking
D. None of the above
- C Page 370
- Use ______screw to connect ¾ inch single-layer panels to steel studs.
A. 1 inch Type S bugle head
B. 1⅛ inch Type S bugle head
C. 1¼ inch Type S bugle head
D. 2¼ inch Type S bugle head
- C Page 38
- Stack panels face up with ends resting on nominal 2” x 4” lumber and with center of the boards resting on floor, and allow to remain overnight or until they have ________.
A. A 1” space between adjacent panels
B. At least a 2” permanent bow
C. No stains or discoloration on face paper
D. All of the above
- B Page 112
- Maintain and control heat in the range of 55°F to 70°F 24 hours ________the entire gypsum board finishing process.
A. Before
B. During
C. After
D. All of the above
- D Page 103
- Board sags in ceiling are often caused by ______.
A. Improperly fitted panels
B. Insufficient support of board
C. High-humid conditions
D. All of the above
- D Page 371
- Long partition runs shall have _________to compensate for hygrometric and thermal expansion.
A. Relief joints
B. Expansion joints
C. All the above
D. Control joints
- D Page 358
- All but ________will cause cracking of compound joints in veneer plaster finishing.
A. Maximum air circulation
B. Rapid drying
C. Possible shrinkage
D. All of the above
- D Page 355
- Maximum frame spacing for ⅜ inch single-layer ceiling application is ________o.c.
A. 12 inches
B. 16 inches
C. 24 inches
D. In compliance with local building codes
- B Page 73
- Where single-nailing is used, drive nails at least________ inch(es) from ends or edges of gypsum board.
A. ¼ inch
B. ⅝ inch
C. ½ inch
D. ⅜ inch
- D Page 108
- Joint defects generally occur in a straight-line pattern and in most cases result from ________.
A. Incorrect framing
B. Incorrect joint treatment
C. Climatic conditions
D. All of the above
- D Page 370
- Wood furring strips over wood framing shall be ______minimum size for nail-on application.
A. 1” x 1”
B. 1” x 2”
C. 1” x 3”
D. 2” x 2”
- D Page 90
- It is desirable to limit deflection to _______and never exceed L/120 for drywall assemblies.
A. L/120
B. L/180
C. L/240
D. L/360
- C Page 70
- According to The Gypsum Construction Handbook, a drywall hammer is used to ________.
A. compress gypsum panel face and leave desired dimple
B. wedge panels
C. pry panels D.
E. All of the above
- A Page 424
- The screw must enter perpendicular to the board face for proper performance, drive screws at least __________ from ends or edges of the gypsum board.
A. ¼ inch
B. ⅜ inch
C. ½ inch
D. ⅝ inch
- B Page 110
- A board sagging between ceiling support is caused by ________.
A. Improper ventilation
B. Extended exposure to strong sunlight
C. Low humidity
D. High humidity
- D Page 353
- A minimum temperature of __________should be maintained during gypsum board application.
A. 45° F
B. 50° F
C. 55° F
D. 70° F
- B Page 105
- Gypsum products may not be stored in ________temperatures that exceed F.
A. 115°
B. 125°
C. 130°
D. 135°
- B Page 3
- Tape overlapped at joint intersections _______in veneer plaster.
A. Is recommended to strengthen the joints
B. Is only recommended when the joints are at angles
C. Is only recommended if the joints are out of alignment
D. Can cause joint cracking
- D Page 386
- __________of panels may be subject to scuffing and may develop paper bond failure or paper delamination from the gypsum core after application.
A. Board sag
B. Too much adhesive
C. Water damage
D. Strong sunlight
- C Page 372
- Where gypsum panels are attached to furring channels use _______screw.
A. Type S bugle head
B. Type S-12 trim head
C. Type W bugle head
D. Type G bugle head
- A Page 124
- Firecode C Core gypsum panels are available in lengths of ________feet.
A. 8, 9, 10, 12
B. 8, 10, 14, 16
C. 8, 9, 10, 12, 14
D. 9, 10, 12, 14
- C Page 9
- Maintain a minimum temperature of ________during gypsum board application.
A. 30° F
B. 40° F
C. 50° F
D. 60° F
- C Page 105
- _________, to prevent joint darkening.
A. Always use white paint in finishing
B. Always finish joints in humid conditions
C. Be sure joints are thoroughly dry before painting
D. None of the above
- C Page 383/392
- _________after joint treatment are signs of edge cracking.
A. Straight narrow cracks along edges of tape
B. Cracks along edges of door and/or window opening
C. Cracks on edges of any curved application
D. Cracks along sides of pre-finished panels
- A Page 380
- In large ceiling areas, ________ are recommended to relieve internal stress buildup.
A. Control joints
B. Seismic joints
C. Cladding joints
D. Stress joints
- A Page 355
- Structural movement and most cracking problems are caused by __________ .
A. Change in materials due to temperature and humidity changes
B. Deflection under load
C. Seismic forces
D. All of the above
- D Page 354
