And Answers, Questions with
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1. At a minimum, how much higher does a chimney need to be than any point
within 10 feet of the chimney?
A) 12 inches
B) 24 inches
C) 36 inches
D) 48 inches
Answer: B
Rationale: NFPA 211 requires that a chimney extend at least 3 feet above the roof
penetration and 2 feet higher than any portion of the roof within 10 feet
horizontally.
2. OSHA requires that a ladder extend ______ inches above the point of contact
with the roof.
A) 12
B) 24
C) 36
D) 48
Answer: C
Rationale: OSHA standard 1926.1053(b)(1) requires ladders to extend at least 3
feet (36 inches) above the roof or upper landing surface.
3. The three types of heat transfer are:
A) conduction, latent and radiation
B) radiation, convection, and sensible
C) sensible, radiant, and thermal
D) radiation, conduction, and convection
Answer: D
Rationale: Heat transfers by radiation (infrared), conduction (direct contact), and
convection (fluid movement).
,4. During a Level I inspection you would not be expected to make a note of ____
in your report.
A) broken appliance parts
B) evidence of a smoking fireplace
C) lack of a fire stop
D) inadequate floor protection
Answer: C
Rationale: Lack of a fire stop typically requires access to concealed areas (Level II
or III). Level I is limited to readily accessible portions of the chimney.
5. The type of inspection performed shall be based on the:
A) circumstances that give rise to the inspection
B) date of construction
C) degree of access required to complete the inspection
D) inspector’s analysis of the fuel supply
Answer: A
Rationale: NFPA 211 states the inspection level is determined by the
circumstances (e.g., property transfer, after a fire, routine maintenance).
6. Ideal location for chimneys venting systems is:
A) outside the building envelope
B) inside the building envelope
C) behind the wall
D) on an exterior wall
Answer: B
Rationale: Interior chimneys stay warmer, improve draft, and reduce condensation
and creosote buildup.
7. According to NFPA 211, a qualified agency is defined as:
A) someone who has experience in the connection, inspection and repair of heat
producing appliances
B) someone that is licensed by the state in which he or she is conducting business
C) someone that is a certified chimney sweep by CSIA and has at least 10 years of
actual experience
D) none of the above
,Answer: A
Rationale: NFPA 211 defines a qualified agency as any person, firm, or
corporation that has experience in the work described.
8. Most fireplace system odors occur in:
A) colder months
B) higher altitudes
C) larger chimneys
D) summer months
Answer: D
Rationale: In summer, humid air and negative pressure draw smells from creosote
and soot into the home.
9. A chimney serving a wood-burning fireplace must have a minimum flue liner
cross-sectional area of at least:
A) 1/10 of the fireplace opening
B) 1/12 of the fireplace opening
C) 1/8 of the fireplace opening
D) 1/15 of the fireplace opening
Answer: A
*Rationale: NFPA 211 requires the flue area to be at least 1/10 of the fireplace
opening area, but no smaller than 50 square inches.*
10. When inspecting a masonry chimney, the minimum thickness of a brick
chimney wall (excluding flue liner) is:
A) 2 inches
B) 3 inches
C) 4 inches
D) 6 inches
Answer: C
Rationale: Solid masonry chimney walls must be at least 4 inches thick (nominal) if
the flue liner is listed; otherwise thicker.
11. Which clearance to combustibles is required for an unlisted, single-wall metal
chimney connector for a wood stove?
A) 18 inches
B) 12 inches
, C) 6 inches
D) 36 inches
Answer: A
*Rationale: NFPA 211 requires 18 inches of clearance from unprotected
combustible materials for single-wall connector pipe.*
12. A Level II inspection includes all Level I items plus:
A) video scanning of the interior
B) removal of the chimney cap
C) verification of clearances in accessible areas
D) a pressure test of the chimney
Answer: A
Rationale: Level II adds video inspection of the flue, accessible clearances, and
verification of proper construction.
13. When a wood-burning appliance is installed, the floor protector must extend at
least how far in front of the loading door?
A) 12 inches (US) or 18 inches (Canada)
B) 16 inches (US) or 18 inches (Canada)
C) 18 inches (US) or 18 inches (Canada)
D) 24 inches (US) or 18 inches (Canada)
Answer: B
Rationale: NFPA 211 requires 16 inches (US) in front; Canadian standards
require 18 inches.
14. The primary cause of chimney fires is:
A) improper draft
B) lack of a spark arrestor
C) creosote ignition
D) cracked flue tiles
Answer: C
Rationale: Creosote is highly flammable; its ignition is the leading cause of
chimney fires.
15. A “smoking fireplace” is most often caused by:
A) wet firewood
B) negative pressure in the home