Roofing MCQ Quiz - Multiple Choice Questions & Answers Page 3

21. Mechanical fasteners should penetrate concrete decks at least

1. 1
2. 2
3. 3
4. 4

22. Mechanical fastening of the membrane installed over treated wood nailers should be

1. 24 inches on center
2. 16 inches on center
3. 112 inches on center
4. 8 inches on center

23. Mechanically fastened EPDM systems must penetrate how far into concrete decks?

1. 1 foot
2. 6 inches
3. 1 inch
4. 3/4 inch

24. Mineral granules applied over mastic as roof surfacing should be deposited at the rate of pounds per square.

1. 40 to 50
2. 50
3. 50 to 60
4. 60

25. Mineral surfaced roll roofing should be installed when the temperature is above how many degrees?

1. 40
2. 45
3. 50
4. 60

26. Mission tile weighs approximately how many pounds per square?

1. 800
2. 900
3. 1000
4. 1300

27. Most leaks occur around vents in about every type of roof, usually because of

1. Inadequate shingling around a vent
2. Improper flashing
3. Vent flashing not as wide as it should be
4. All of the above

28. Nails used for roll roofing should be spaced how far apart?

1. 1 inch
2. 2 inches
3. 3 inches
4. 4 inches

29. Narrow EPDM sheets are usually

1. Less than 3 feet wide
2. 5 feet 6 inches wide
3. 4 feet 8 inches wide
4. More than 5 feet wide

30. new 3-tab roof using a 6-inch pattern will require a full shingle on the course.

1. Third
2. Fifth
3. Sixth
4. Seventh