CSIA Certification / Latest Questions & Detailed
Answers (A+ Guide Solutions) .
Draft is measured by... - (ANSWER)inches in water column
Definition of Draft - (ANSWER)Difference of pressure INSIDE and OUTSIDE the
venting system
Easiest solution to "back puffing" stove? - (ANSWER)Give it more air
What has the greatest effect on FLOW? - (ANSWER)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? - (ANSWER)NFPA 54 (National Fuel Gas
Code)
High efficiency gas + oil appliances generate a lot of____ which can____ -
(ANSWER)water vapor, deteriorate a chimney quickly
Info on use and installation of gas appliance draft hoods can be found where? -
(ANSWER)National Fuel Gas Code
Category II, III, and IV appliance venting requirements can be found... -
(ANSWER)in the installation instructions
,Glazed creosote results from 3 things... - (ANSWER)slow smoldering fire,
too many elbows,
improperly sized vent
What is "pyrolysis"? - (ANSWER)The chemical alteration of wood as a result of
the application of heat
Perfect combustion results in: - (ANSWER)Only Co2 and water vapor
Creosote formation: - (ANSWER)Tar fog or droplets of liquids condense in the
venting system
Residence time - (ANSWER)length of time smoke remains in the chimney
Magnetic thermometers only display about __% of actual flue temp -
(ANSWER)50%
Creosote should be removed because... - (ANSWER)Fire risk,
corrosive to steel, connectors, and mortar
Why should flashing be embedded in mortar? - (ANSWER)prevent leaks
, Baffle location and purpose? - (ANSWER)Located between the firebox and flue
collar.
Purpose is to complete better combustion
What does the barometric draft regulator do? - (ANSWER)Prevents excessive
draft
Smoke chamber height SHALL NOT be greater than the ______ ______ of the
fireplace fire chamber. - (ANSWER)Inside width
Combustion needs... - (ANSWER)Heat, Oxygen, and Fuel
Nominal dimensions can vary by how much? - (ANSWER)Nominal dimensions
vary by 1/2"
What is combustion? - (ANSWER)The rapid oxidation of fuel producing heat and
light.
Parging the smoke chamber improves FLOW by... - (ANSWER)Reducing
turbulence, and eliminating corbeling
Connector dampers should not block greater than ___% of the connector when
closed. - (ANSWER)80%
Answers (A+ Guide Solutions) .
Draft is measured by... - (ANSWER)inches in water column
Definition of Draft - (ANSWER)Difference of pressure INSIDE and OUTSIDE the
venting system
Easiest solution to "back puffing" stove? - (ANSWER)Give it more air
What has the greatest effect on FLOW? - (ANSWER)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? - (ANSWER)NFPA 54 (National Fuel Gas
Code)
High efficiency gas + oil appliances generate a lot of____ which can____ -
(ANSWER)water vapor, deteriorate a chimney quickly
Info on use and installation of gas appliance draft hoods can be found where? -
(ANSWER)National Fuel Gas Code
Category II, III, and IV appliance venting requirements can be found... -
(ANSWER)in the installation instructions
,Glazed creosote results from 3 things... - (ANSWER)slow smoldering fire,
too many elbows,
improperly sized vent
What is "pyrolysis"? - (ANSWER)The chemical alteration of wood as a result of
the application of heat
Perfect combustion results in: - (ANSWER)Only Co2 and water vapor
Creosote formation: - (ANSWER)Tar fog or droplets of liquids condense in the
venting system
Residence time - (ANSWER)length of time smoke remains in the chimney
Magnetic thermometers only display about __% of actual flue temp -
(ANSWER)50%
Creosote should be removed because... - (ANSWER)Fire risk,
corrosive to steel, connectors, and mortar
Why should flashing be embedded in mortar? - (ANSWER)prevent leaks
, Baffle location and purpose? - (ANSWER)Located between the firebox and flue
collar.
Purpose is to complete better combustion
What does the barometric draft regulator do? - (ANSWER)Prevents excessive
draft
Smoke chamber height SHALL NOT be greater than the ______ ______ of the
fireplace fire chamber. - (ANSWER)Inside width
Combustion needs... - (ANSWER)Heat, Oxygen, and Fuel
Nominal dimensions can vary by how much? - (ANSWER)Nominal dimensions
vary by 1/2"
What is combustion? - (ANSWER)The rapid oxidation of fuel producing heat and
light.
Parging the smoke chamber improves FLOW by... - (ANSWER)Reducing
turbulence, and eliminating corbeling
Connector dampers should not block greater than ___% of the connector when
closed. - (ANSWER)80%
