CSIA Certified Chimney Sweep
Comprehensive Resource To Help You Ace 2026-2027
Exams Includes Frequently Tested Questions With
ELABORATED 100% Correct COMPLETE SOLUTIONS
Guaranteed Pass First Attempt!! Current Update!!
Instant Download Pdf
1. What is a corbel? - Correct Answer: masonry projecting upward and
outward from a wall or chimney
2. A cricket is designed to_________. - Correct Answer: redirect water and
snow away from the chimney
3. What is a wythe? - Correct Answer: 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? - Correct Answer: 12:1
5. Where unlined the smoke chamber walls shall be what thickness? -
Correct Answer: 8"
,6. When the opening of the fireplace is 6 square feet the extension of the
hearth should be __________ ? - Correct Answer: 20 inches
7. The inner surfaces of the smoke chamber shall not be inclined more than 45
degrees from vertical: true or false? - Correct Answer: True
8. A level II inspection includes inspection of accessible areas of attics,
basements,and crawlspaces: true or false? - Correct Answer: True
9. The purpose of a heat reclaimer is to _______? - Correct Answer:
extract heat from the flue gases.
10.What answer best describes the allowable free air space around a flue tile?
- Correct Answer: 1/2" to 4"
11.Crickets are recommended whenever the chimney is ____ wide or more. -
Correct Answer: 30"
12.The maximum allowable slope of an offset in a vertical flue is ___________.
- Correct Answer: 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? - Correct Answer: True
,14.What is the minimum thickness of a wythe? - Correct Answer: Four
inches nominal
15.Chimney liners are listed to what standard? - Correct Answer: UL 1777
16.NFPA 211 recommends annual cleaning of chimneys,fireplaces, and vents:
true or false? - Correct Answer: 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. - Correct Answer: 75%
18.The effective area of a connector for a single appliance shall be ____ the
area of the appliance flue collar. - Correct Answer: not less than
19.Cleanout openings shall be provided in all chimney flues serving
freestanding appliances: true or false? - Correct Answer: true
20.The area of a fireplace chimney flue cannot be greater than twice the area
of the woodstove appliance outlet on an exterior chimney: true or false? -
Correct Answer: True
21.Cleaning the smoke shelf is not always necessary, unless there is a fireplace
insert installed: true or false? - Correct Answer: False
, 22.A 24 gauge sheet metal panel with 1-inch airspace will reduce clearance to
combustibles by(when used as a wall protector) _________-. - Correct
Answer: 66%
23.According to NFPA 211, solid fuel-burning appliances can be installed in a
garage: - Correct Answer: Never
24.The maximum weight for an Type I industrial grade ladder rating is
____________. - Correct Answer: 250 pounds
25.Where the trim of a mantel extends up to an 1 1/2", clearance to
combustibles from the firebox opening should be at least __________. -
Correct Answer: 6 inches
26.There must be ____ inches of masonry between a wall thimble and
combustible material. - Correct Answer: 12
27.Smoke pipe diameter 6 through 10 inches has a required gauge of
__________. - Correct Answer: 24
28.Single wall chimneys on the exterior of a home can only be used for oil or
gas: true or false? - Correct Answer: False
29.Only allowable vent to be used in a stud cavity of a wall. - Correct
Answer: BW Vent
Comprehensive Resource To Help You Ace 2026-2027
Exams Includes Frequently Tested Questions With
ELABORATED 100% Correct COMPLETE SOLUTIONS
Guaranteed Pass First Attempt!! Current Update!!
Instant Download Pdf
1. What is a corbel? - Correct Answer: masonry projecting upward and
outward from a wall or chimney
2. A cricket is designed to_________. - Correct Answer: redirect water and
snow away from the chimney
3. What is a wythe? - Correct Answer: 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? - Correct Answer: 12:1
5. Where unlined the smoke chamber walls shall be what thickness? -
Correct Answer: 8"
,6. When the opening of the fireplace is 6 square feet the extension of the
hearth should be __________ ? - Correct Answer: 20 inches
7. The inner surfaces of the smoke chamber shall not be inclined more than 45
degrees from vertical: true or false? - Correct Answer: True
8. A level II inspection includes inspection of accessible areas of attics,
basements,and crawlspaces: true or false? - Correct Answer: True
9. The purpose of a heat reclaimer is to _______? - Correct Answer:
extract heat from the flue gases.
10.What answer best describes the allowable free air space around a flue tile?
- Correct Answer: 1/2" to 4"
11.Crickets are recommended whenever the chimney is ____ wide or more. -
Correct Answer: 30"
12.The maximum allowable slope of an offset in a vertical flue is ___________.
- Correct Answer: 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? - Correct Answer: True
,14.What is the minimum thickness of a wythe? - Correct Answer: Four
inches nominal
15.Chimney liners are listed to what standard? - Correct Answer: UL 1777
16.NFPA 211 recommends annual cleaning of chimneys,fireplaces, and vents:
true or false? - Correct Answer: 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. - Correct Answer: 75%
18.The effective area of a connector for a single appliance shall be ____ the
area of the appliance flue collar. - Correct Answer: not less than
19.Cleanout openings shall be provided in all chimney flues serving
freestanding appliances: true or false? - Correct Answer: true
20.The area of a fireplace chimney flue cannot be greater than twice the area
of the woodstove appliance outlet on an exterior chimney: true or false? -
Correct Answer: True
21.Cleaning the smoke shelf is not always necessary, unless there is a fireplace
insert installed: true or false? - Correct Answer: False
, 22.A 24 gauge sheet metal panel with 1-inch airspace will reduce clearance to
combustibles by(when used as a wall protector) _________-. - Correct
Answer: 66%
23.According to NFPA 211, solid fuel-burning appliances can be installed in a
garage: - Correct Answer: Never
24.The maximum weight for an Type I industrial grade ladder rating is
____________. - Correct Answer: 250 pounds
25.Where the trim of a mantel extends up to an 1 1/2", clearance to
combustibles from the firebox opening should be at least __________. -
Correct Answer: 6 inches
26.There must be ____ inches of masonry between a wall thimble and
combustible material. - Correct Answer: 12
27.Smoke pipe diameter 6 through 10 inches has a required gauge of
__________. - Correct Answer: 24
28.Single wall chimneys on the exterior of a home can only be used for oil or
gas: true or false? - Correct Answer: False
29.Only allowable vent to be used in a stud cavity of a wall. - Correct
Answer: BW Vent
