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1. When a round flue is used for the lining of a fireplace 12:1
chimney the proper fireplace opening to flue size
ratio should be
2. When unlined the smoke chamber walls shall be 8"
what thickness
3. When the opening of the firebox is 6 square feet the 20 inches
extension of the hearth should be
4. T or F the inner surfaces of the smoke chamber shall True
not be inclined more than 45 degrees from vertical
5. A level 2 inspection inspection of accessible areas of True
attics basements and crawlspaces
6. The purpose of a heat reclaimer is to Extract heat from the flue
gases
7. What best describes the allowable free air space 1/4 inch to 4 inch
around a flue tile
8. Crickets are recommended whenever the chimney is 30" wide
9. The maximum allowable slope of an offset in a verti- 30 degrees
cle flue is
10. The area of the spark arrestor must not be less than True
three times the net free area of the chimney flue
11. What is the minimum thickness of a wythe 4 inches nominal
12. chimney liners are listed to what standard UL 1777
13. False
, CSIA TEST
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NFPA 211 recommends annual cleaning of chimneys
fireplaces and vents
14. The horizontal length of a single wall connector to a 75 %
natural drat chimney or vent serving a single appli-
ance shall be not more than ______ of the height of
the vertical height of the chimney
15. The effective area of a connector for a single appli- atleast 50%
ance shall be ______ the area of the appliance flue
collar
16. Cleanout openings shall be prvided in all chimney True
flues serving free standing appliances
17. What species causes anaphylactic shock? Bees
18. A type 3 ladder is rated for 200 lbs
19. what are the stages of wood burning drying pyrolysis charcoaling
20. The volume of gases which actually pass through the Flow
system as a result of draft is
21. Rectangular flues with aspect ratios greater than 2 1:8
to 1 shall be sized at least ______ of the fireplace
opening
22. single wall connector clearance for an unlisted gas
appliance with a draft hood is
23. a level ______ inspection is done with ladders and 2
common hand tools