Gypsum Construction Handbook

Question 1

1. __________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

Answer 1

1. D Page 39

Question 2

2. __________is/are warning signs of fastener imperfections.

A. Darkening
B. Localized cracking
C. Protrusion of the fasteners
D. All of the above

Answer 2

2. D Page 370

Question 3

3. Extended periods of ________ will discolor panel face paper.
   A. High humidity
   B. Low humidity
   C. Cold weather
   D. Strong sunlight

Answer 3

3. D Page 355

Question 4

4. ⅜-inch gypsum panels are designed for framing centers up to ________.

A. 24 inches
B. 16 inches
C. 20 inches
D. 12 inches

Answer 4

4. B Page 3

Question 5

5. _________is often caused by excessively fast drying of joint compounds.

A. Loose panels
B. Board sagging
C. Joint cracking
D. None of the above

Answer 5

5. C Page 370

Question 6

6. 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

Answer 6

6. C Page 38

Question 7

7. 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

Answer 7

7. B Page 112

Question 8

8. 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

Answer 8

8. D Page 103

Question 9

9. 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

Answer 9

9. D Page 371

Question 10

10. 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

Answer 10

10. D Page 358

Question 11

11. 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

Answer 11

11. D Page 355

Question 12

12. 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

Answer 12

12. B Page 73

Question 13

13. 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

Answer 13

13. D Page 108

Question 14

14. 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

Answer 14

14. D Page 370

Question 15

15. 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”

Answer 15

15. D Page 90

Question 16

16. 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

Answer 16

16. C Page 70

Question 17

17. 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

Answer 17

17. A Page 424

Question 18

18. 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

Answer 18

18. B Page 110

Question 19

19. A board sagging between ceiling support is caused by ________.

A. Improper ventilation
B. Extended exposure to strong sunlight
C. Low humidity
D. High humidity

Answer 19

19. D Page 353

Question 20

20. A minimum temperature of __________should be maintained during gypsum board application.

A. 45° F
B. 50° F
C. 55° F
D. 70° F

Answer 20

20. B Page 105

Question 21

21. Gypsum products may not be stored in ________temperatures that exceed F.

A. 115°
B. 125°
C. 130°
D. 135°

Answer 21

21. B Page 3

Question 22

22. 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

Answer 22

22. D Page 386

Question 23

23. __________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

Answer 23

23. C Page 372

Question 24

24. 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

Answer 24

24. A Page 124

Question 25

25. 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

Answer 25

25. C Page 9

Question 26

26. Maintain a minimum temperature of ________during gypsum board application. A. 30° F B. 40° F C. 50° F D. 60° F

Answer 26

26. C Page 105

Question 27

27. _________, 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

Answer 27

27. C Page 383/392

Question 28

28. _________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

Answer 28

28. A Page 380

Question 29

29. In large ceiling areas, ________ are recommended to relieve internal stress buildup. A. Control joints B. Seismic joints C. Cladding joints D. Stress joints

Answer 29

29. A Page 355

Question 30

30. 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

Answer 30

30. D Page 354