CSIA Certification Exam
Questions And Correct Answers
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,
too many elbows,
improperly sized vent
What is "pyrolysis"?
The chemical alteration of wood as a result of the application of heat
Perfect combustion results in:
, Only Co2 and water vapor
Creosote formation:
Tar fog or droplets of liquids condense in the venting system
Residence time
length of time smoke remains in the chimney
Magnetic thermometers only display about __% of actual flue temp
50%
Creosote should be removed because...
Fire risk,
corrosive to steel, connectors, and mortar
Why should flashing be embedded in mortar?
prevent leaks
Questions And Correct Answers
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,
too many elbows,
improperly sized vent
What is "pyrolysis"?
The chemical alteration of wood as a result of the application of heat
Perfect combustion results in:
, Only Co2 and water vapor
Creosote formation:
Tar fog or droplets of liquids condense in the venting system
Residence time
length of time smoke remains in the chimney
Magnetic thermometers only display about __% of actual flue temp
50%
Creosote should be removed because...
Fire risk,
corrosive to steel, connectors, and mortar
Why should flashing be embedded in mortar?
prevent leaks
