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1. What is a corbel?: masonry projecting upward and outward from a wall or chimney
2. A cricket is designed to_________.: redirect water and snow away from the chimney
3. What is a wythe?: A course of brick separating flues within a chimney
4. When a round flue is used for the lining of a fireplace chimney the proper
fireplace opening to flue size ratio should be?: 12:1
5. Where unlined the smoke chamber walls shall be what thickness?: 8"
6. When the opening of the fireplace is 6 square feet the extension of the
hearth should be __________ ?: 20 inches
7. The inner surfaces of the smoke chamber shall not be inclined more than 45
degrees from vertical: true or false?: True
8. A level II inspection includes inspection of accessible areas of attics, base-
ments,and crawlspaces: true or false?: True
9. The purpose of a heat reclaimer is to _______?: extract heat from the flue gases.
10. What answer best describes the allowable free air space around a flue
tile?: 1/2" to 4"
11. Crickets are recommended whenever the chimney is ____ wide or more.: 30"
12. The maximum allowable slope of an offset in a vertical flue is ___________.: 30
degrees
13. The net area of the spark arrestor must not be less than three times the net
free area if the chimney flue: true or false?: True
14. What is the minimum thickness of a wythe?: Four inches nominal
15. Chimney liners are listed to what standard?: UL 1777
16. NFPA 211 recommends annual cleaning of chimneys,fireplaces, and vents:
true or false?: False
17. The horizontal length of a single-wall connector to a natural draft chimney
or vent serving a single appliance shall be not more than ______ of the height
of the vertical height of the chimney.: 75%
18. The effective area of a connector for a single appliance shall be ____ the area
of the appliance flue collar.: not less than
19. Cleanout openings shall be provided in all chimney flues serving freestand-
ing appliances: true or false?: true
20. Which of the following species may cause anaphylactic shock?: bees
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21. A type 3 ladder is rated for ______ .: 200lbs
22. Wood burns in three identifiable stages: ____________, ____________, and
____________.: drying, pyrolysis , charcoal
23. The volume of gases which actually pass through the system as a result of
draft is___________.: flow
24. Rectangular flues with aspect ratios greater than 2 to 1 shall be sized at
least ____ of fireplace opening.: 1:8
25. Single wall connector clearance for an unlisted gas appliance with a draft
hood is_____________.: 9 inches
26. A Level _____ inspection is done with ladders and common hand tools.: 2
27. Draft is the force or pressure difference between the inside and the outside
of the venting system: true or false?: True
28. The ideal lift is to ____.: lift with your legs and keep your back straight
29. Draft is ____________.: the pressure difference between the inside and the outside of the venting system
30. NFPA 211 recommends chimney flues should be inspected _____________
and_______________.: annually, upon a real estate transfer
31. Two major factors that effect draft are ____________ and ____________.: tempera-
ture differential and chimney height
32. Which of the following is not a factor of combustion efficiency?: (time, wind speed,
turbulence, temperature)
answer: wind speed
33. Rabies is not carried by ____________.: birds
34. Which species carries histoplasmosis?: birds
35. Which animal is known for roundworm?: raccoons
36. Of the following, which is NOT a step of a sweep?
Inspecting
Turn all gas appliances to off position
Customer Review
Inside Preparation: Turn all gas appliances to off position
37. What is the proper class for an fire extinguisher that is used for flammable
liquids,grease,and oil.: Class B