CSIA Certification Exam Latest Questions and
Answers 2025
Smoke chamber height SHALL NOT be greater than the ______ ______ of the fireplace fire chamber.
-
** Inside width
Combustion needs... -
** Heat, Oxygen, and Fuel
Nominal dimensions can vary by how much? -
** Nominal dimensions vary by 1/2"
What is combustion? -
** The rapid oxidation of fuel producing heat and light.
Parging the smoke chamber improves FLOW by... -
** Reducing turbulence, and eliminating corbeling
Connector dampers should not block greater than ___% of the connector when closed. -
** 80%
Heat reclaimer / extractor -
** Fits inline with connector, and is NOT to be used with wood burning
What inspection level determines if a wall pass-through is installed properly? -
** Level 2
Hearth stove should only be connected to... -
,** A properly built masonry fireplace
What problems are created when mortar joints between flue tiles are not smoothed? -
** May create turbulence and increased residence time of exhaust.
3 Positive aspects of Cast-in-Place liners -
** 1. adds structural integrity to chimney
2. resists corrosive deposits
3. able to support any fuel or appliance when sized properly
What never to do to a blocked passage in a chimney? -
** Never pound from above with a weight. (Might block so bad opening a wall is necessary to
remove buildup)
True or false: A flat wire brush is hardest to reverse because of size and thickness of bristles. -
** True
1st choice of brush for oil passage flues and why? -
** Polypropylene (plastic) because they do not corrode or degrade from corossive deposits
The best brush to remove glaze in the flue? -
** A chain brush / rotary
Main purpose of a vacuum -
** To collect dust
Two purposes of a ridge hook -
** 1. Keep footing of slippery / fragile roofs
2. Allow acces on steep roofs
Why use an aluminum ladder? -
, ** Lighter and less expensive over fiberglass
Respirator protects from what 4 things... -
** gases, dust, vapors, disease from animals
Draft is measured by... -
** inches in water column
Definition of Draft -
** Difference of pressure INSIDE and OUTSIDE the venting system
Easiest solution to "back puffing" stove? -
** Give it more air
What has the greatest effect on FLOW? -
** Size of venting system passageway
A masonry chimney is required by what to have a cleanout if the flue previously vented a solid or
liquid fuel appliance? -
** NFPA 54 (National Fuel Gas Code)
High efficiency gas + oil appliances generate a lot of____ which can____ -
** water vapor, deteriorate a chimney quickly
Info on use and installation of gas appliance draft hoods can be found where? -
** National Fuel Gas Code
Category II, III, and IV appliance venting requirements can be found... -
** in the installation instructions
Glazed creosote results from 3 things... -
** slow smoldering fire,
Answers 2025
Smoke chamber height SHALL NOT be greater than the ______ ______ of the fireplace fire chamber.
-
** Inside width
Combustion needs... -
** Heat, Oxygen, and Fuel
Nominal dimensions can vary by how much? -
** Nominal dimensions vary by 1/2"
What is combustion? -
** The rapid oxidation of fuel producing heat and light.
Parging the smoke chamber improves FLOW by... -
** Reducing turbulence, and eliminating corbeling
Connector dampers should not block greater than ___% of the connector when closed. -
** 80%
Heat reclaimer / extractor -
** Fits inline with connector, and is NOT to be used with wood burning
What inspection level determines if a wall pass-through is installed properly? -
** Level 2
Hearth stove should only be connected to... -
,** A properly built masonry fireplace
What problems are created when mortar joints between flue tiles are not smoothed? -
** May create turbulence and increased residence time of exhaust.
3 Positive aspects of Cast-in-Place liners -
** 1. adds structural integrity to chimney
2. resists corrosive deposits
3. able to support any fuel or appliance when sized properly
What never to do to a blocked passage in a chimney? -
** Never pound from above with a weight. (Might block so bad opening a wall is necessary to
remove buildup)
True or false: A flat wire brush is hardest to reverse because of size and thickness of bristles. -
** True
1st choice of brush for oil passage flues and why? -
** Polypropylene (plastic) because they do not corrode or degrade from corossive deposits
The best brush to remove glaze in the flue? -
** A chain brush / rotary
Main purpose of a vacuum -
** To collect dust
Two purposes of a ridge hook -
** 1. Keep footing of slippery / fragile roofs
2. Allow acces on steep roofs
Why use an aluminum ladder? -
, ** Lighter and less expensive over fiberglass
Respirator protects from what 4 things... -
** gases, dust, vapors, disease from animals
Draft is measured by... -
** inches in water column
Definition of Draft -
** Difference of pressure INSIDE and OUTSIDE the venting system
Easiest solution to "back puffing" stove? -
** Give it more air
What has the greatest effect on FLOW? -
** Size of venting system passageway
A masonry chimney is required by what to have a cleanout if the flue previously vented a solid or
liquid fuel appliance? -
** NFPA 54 (National Fuel Gas Code)
High efficiency gas + oil appliances generate a lot of____ which can____ -
** water vapor, deteriorate a chimney quickly
Info on use and installation of gas appliance draft hoods can be found where? -
** National Fuel Gas Code
Category II, III, and IV appliance venting requirements can be found... -
** in the installation instructions
Glazed creosote results from 3 things... -
** slow smoldering fire,
