CSIA Certification Exam questions and
Answers
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.
Answers
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.
