CSIA Certified Chimney Sweep credential Exams 2025-2026, Exams of Engineering

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CSIA Certified Chimney Sweep credential Exams 2025- 2026

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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 Amasonry 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____ - ANSWE-water vapor, deter lo a chimney quickly Info on use and installation of gas appliance draft hoods can be found whore? - ANSWER. National Fuel Gas Code Category IL, III, and IV appliance venting requirements can be found... - ANSWEF-in the inslallalion instructions Glazed creosote resulls from 3 things... - ANSWER-slow smoldering firc, 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: - ANSWEF-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-30% 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. - ANSWE?-Inside width 3. able to support any fuel or appliance when sized properly What never to do to a blocked passage in a chimney’ weight. (Might block so bad opening a wall is necessary to remove buildup) True or false: A flat wire brush is hardest to reverse because of size and thickness of bristles. - ANSWER-True 1st choice of brush for oil passage flues and why? - ANSWER-Poly propylene (plastic) because they do not corrode or degrade from corossive deposits The best brush to remove glaze in the flue?- ANSWER-A chain brush / rotary Main purpose ofa vacuum - ANSWER-To collect dust Two purposes of a ridge hook - ANSWER-1. Keep footing of slippery / fragile roofs 2. Allow acces on stcep roals Why use an aluminum ladder? - ANSWER-Lighter and less expensive over fiberglass Respirator protects from what 4 things... - ANSWER-gases, dust, vapors, disease from animals How does a positive pressure respirator work? - ANSWER-A fan forces air into the mask 2 Fundamental tools for a chimney sweep - ANSWER Lights and mirrors - ANSWERNever pound from above with a 3 Must-have safety items - ANSWER-Gloves, hearing protection, safety glasses Before setting up a ladder you should... - ANSWER-walk around perimeter to choose best location What should shoe soles be made of?- ANSWEF-soft sole / crepe or gum sole. NEVER leather. Ladders should be set up at what ratio? - ANSWER-4:1 Bes. method of climbing ladders - ANSWER-Climb with bath hands on rails (sides) Best way to avoid creosote related illness... - ANSWER-Protect yourself from exposure Animal hazards from raccoons, squirrels, and birds include: - ANSWEF-rabies, fleas. ticks, bites, roundworms, and histoplasmosis Hazards from stinging insects include: - ANSWER-Allergic reactions and anaphylactic shock Progressive decrease of draft is an indication of - ANSWER-Development of blockage in the flue Open thimbles with pie plate covers should be made of what materials if not going to be used? - ANSWER-Brick and mortar illness related to creosote is directly correlated to what two factors? - ANSWER-quality of exposure / length of exposure (should keep exposure to a minimum to avoid carcinogenic material) sweep stove connector pipes inside or outside? - ANS WEF-outside size of the connector should or should not be reduced for a wood burning stove? - ANSWER- should not one pound of pellets for a pellet stove should ideally produce how many BTUs? - ANSWER-1 Ib pellets = 8200 BTUs good solution relative to damaged bricks in a wood stove is?- ANS WERuse full bricks from the floor of the fire box a pipe thal. passes Lhrough a wall, goes up the wall, Lo a slantcd cap, is called? - ANSWER- snorkel vent. weekly maintenance for a pellet stove includes... - ANSWER-L. Examine / clean heat exchanger tubes 2. clean the fire pot (as needed) 3. clean door glass (as needed) 4. clean ash trap (as needed) If elbow comes apart during service, it must... - ANSWERbe replaced soot or creosote of what thickness should be removed from the chimney and connector? - ANSWER-1/8" oil soot is often than typical wood burning creosote? - ANSWER lighter - in color and by weight masonry chimney deterioration just below the roofline indicates what? - ANSWER_leaking flashing stack control is the...- ANSWER-primary safety switch stack control can be + by... - ANSWER-drawing out the lever 1/4" to align contacts and releasing slowly newer oil fired appliances use what as the stack control? - ANSWER-photo sensitive cad cell relay whal is an appliance dala plate - ANSWEF-rcforence used to determine the proper category for an appliance what are catalytic combustors - ANSWER-designed to increase combustion efficiency of the appliance by lowering the ignition temperature of flue gas passing through what is combustion efficiency - ANSWER-% of potential energy converted to useful heat in the fire chamber of the appliance What are single wall connectors known as? Give measurements? - ANSWER1. known as the “breech” 2. 6-10" diameter, minimum 24 guage steel modern inserts almost always require... - ANGSWEFa liner to the top (known as a positive connection) vented appliances include...- ANSWER-oil, gas, and pellet appliances (only to be used for venting appliance listed for use with a vent) factory built fireplaces consist of... ; & - ANSWER-Firebox, damper, chimney corbels should not excocd of the individual masonry unit height; nor __ ils thickness - ANSWER-1/2, 1/3 smoke chamber walls should be the of the firebox? - ANSWER-full width natural draft chimneys shall extend a MINIMUM of ft above any parapet wall within 10 foot - ANSWER-2 feet cr than 2 to 1 are sized to AT LEAST ngular chimney liners wilh an aspect ralio gre the fireplace opening - ANSWER-1/8 a level 2 inspection includes all aspects of level 1 - TRUE or FALSE? - ANSWER-TRUE nd above the roofline? - ANSWER-3 Feet (and at least 2ft taller How far must a chimney than anything within 10ft) Gaps between firestopping and the chimney shall not exceed: - ANSWER-1/16" Thimbles for chimneys or vent connectors shall be made of either _ or _witha minimum thickness of _ .- ANSWEF-fireclay, or galvanized steel, 24 gauge Round chimney flues shall have a minimum net cross-sectional area of at least the fireplace opening. - ANSWERone-twelfth (1/12) Sqnare chimney flucs shall have a minimum net cross-sectional area of al least the fireplace opening. - ANSWERone-tenth (1/10) Rectangular and oval chimney flues with an aspect ratio of LESS THAN 2 to 1 shall have a minimum net cross-sectional area of at least __ the fireplace opening. - ANSWER-one- tenth (1/10) Rectangular and oval chimney Mues with an aspect ratio of 2 to 1 OR MORE shall have a minimum net cross-sectional area of at least __ the fireplace opening. - ANSWER-one- eighth (1/8) Exterior unlisted metal chimneys shall have a clearance of not less than from any combustible. - ANSWER-18 inches What thickness of steel must a pipe connector be if its diameter is less than 6"?- ANSWER-26 gauge (0,019) The smoke chamber height shall not be greater than the inside width of... - ANSWER-the fireplace room opening The minimum thickness of a fireplace hearth shall be...- ANSWER-A" Combustible material above and projecting more than 1 1/2" from the fireplace opening shall not be placed less than inches from the top of the opening. - ANSWER-12" Combustible material shall not be placed within ____ inches of a fireplace opening. - ANSWER. Where the fireplace opening is less than 6 square ft (<72") the hearth extension shall extend... - ANSWER at least 16” in front of facing material, and at least 8" beyond each side of the fireplace opening. Where the fireplace opening is 6 sqnare ft 72") or LARGER the hearth extension shall extend... - ANSWER-at least 20" in front of the facing, and at least 12" beyond each side of the fireplace opening Combustion air ducts shall be made of what? - ANSWER-Galvanized steel (26 gauge} For residential solid-fuel appliances, the cross sectional area of the flue shall not be than that of the appliance flue collar. - ANSWEF-Less than For residential solid-fuel appliances, INSIDE wall chimney flues shall not be more than times the cross sectional area of the flue collar. - ANSWER-Three times For residential solid-fuel appliances, OUTSIDE wall chimney flues shall not be more than times the cross sectional area of the flue collar. - ANSWER-Two times A stove or insert can use a masonry fireplace if...- ANSWER-there is a connector that extends from the appliance to the flue liner. T or F: Another solid-fuel appliance cannot be installed using an existing flue serving a factor built fireplace. - ANSWER-TRUE The chamber where heat is transferred through the walls to air or water is the... - ANSWER- Heat Exchanger Hearth stoves should only be connected to... - ANSWER-Properly constructed masonry fireplaces Unless otherwise lisucd, floor protcetion should cxtend...- ANSWER18" in front of the appliance A fireplace damper is usually located... - ANSWER-at the throat of the fireplace A barometric draft regulator... - ANSWEFlimits the draft that. pulls air into the heating appliance Install connector pipe sections for wood buming appliances with the ends facing down to prevent creosote leakage. - ANSWER Male (or crimped) Hearth stoves are freestanding stoves that ar ANSWET-using a fireplace flue For an interior chimney the maximum flue size is times the area of the appliance outlet. - ANSWER-Three Never use a_. to clean a catalytic combustor. - ANSWER-Wire brush What is NOT included in the weekly recommended maintenance of a pellet stove? - ANSWER. Cleaning the vent (but the PELLET vent is required for a COMPLETE cleaning) COMPLETE cleaning of a pellet stove includes... - ANSWEF-exhaust blower and ducts, and the pellet vent Gas appliances should be turned to while sweeping. - ANSWER-Pilot How do you find the cross-sectional areca of a round pipe? - ANSWER-(pijr’?2 (pi x radius squared) How do you find the cross-sectional area of a square flue tile? - ANSWER-Length times width Turn oil-fired appliances to while sweeping. - ANSWER-Off Inercasing the chimney height increases _ , while inercasing flue size inercases the __. - ANSWER-drali, flaw Catagory I gas appliances are expected to have flue gas temperatures degrees above their dew point. - ANSWER-140 degrees The best choice of stainless steel alloy for gas appliances that are expected to condense would be... - ANSWER-AL 294-0 Fireplace flues are most dependent on...- ANSWER-flow All chimneys must be at least _____ inches above roof penetration. - ANSWER-36 inches The floor area within the fire chamber of a fireplace or a fireplace stove is called the... - ANSWERHEARTH A “breech" is synonymous with a...- ANSWERthimble.