CSIA FINAL PAPER EXAM SCRIPT TESTED
QUESTIONS AND VERIFIED SOLUTIONS
◉ 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...
QUESTIONS AND VERIFIED SOLUTIONS
◉ 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...
