CSIA Certification Questions and Answers 100% Pass

CSIA Certification Questions and Answers 100% Pass 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 Baffle location and purpose? Located between the firebox and flue collar. Purpose is to complete better combustion What does the barometric draft regulator do? Prevents excessive draft 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