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2024 CSIA Test | 135 Questions with Verified Answers | Latest 2024/2025
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2024 CSIA T est | 135 Questions w ith Verified Answer s. When a round flue is used for the lining of a fireplace chimney the proper fireplace opening to flue size ratio should be ✔ 12:1 When unlined the smoke chamber walls shall be what thickness ✔ 8" When the opening of the firebox is 6 square feet the extension of the hearth should be ✔ 20 inches T or F the inner surfaces of the smoke chamber shall not be inclined more than 45 degrees from vertical ✔ True A level 2 inspection inspection of accessible areas of attics basements and crawlspaces ✔ True The purpose of a heat reclaimer is to ✔ Extract heat from the flue gases What best describes the allowable free air space around a flue tile ✔ 1/4 inch to 4 inch Crickets are recommended whenever the chimney is ✔ 30" wide The maximum allowable slope of an offset in a verticle flue is ✔ 30 degrees The area of the spark arrestor must not be less than three times the net free area of the chimney flue ✔ True What is the minimum thickness of a wythe ✔ 4 inches nominal chimney liners are listed to what standard ✔ UL 1777 NFPA 211 recommends annual cleaning of chimneys fireplaces and vents ✔ False The horizontal length of a single wall connector to a natural drat chimney or vent serving a single appliance shall be not more than ______ of the height of the vertical height of the chimney ✔ 75 % The effective area of a connector for a single appliance shall be ______ the area of the appliance flue collar ✔ atleast 50% Cleanout openings shall be prvided in all chimney flues serving free standing appliances ✔ True What species causes anaphylactic shock? ✔ Bees A type 3 ladder is rated for ✔ 200 lbs what are the stages of wood burning ✔ drying pyrolysis charcoaling The volume of gases which actually pass through the system as a result of draft is ✔ Flow Rectangular flues with aspect ratios greater than 2 to 1 shall be sized at least ______ of the fireplace opening ✔ 1:8 single wall connector clearance for an unlisted gas appliance with a draft hood is ✔ a level ______ inspection is done with ladders and common hand tools ✔ 2 Draft is the force or pressure difference between the inside and the outside of the venting system ✔ true NFPA 211 recommends chimney flues should be inspected ✔ Annually Two major factors that affect draft are ✔ temperature differential and chimney heightLos beneficios de comprar resúmenes en Stuvia estan en línea:
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