CSIA Certification Exam questions and 100% correct answers| Latest Update 2026/2027

CSIA Certification Exam questions and 100% correct answers| Latest Update 2026/2027 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: