2024 CSIA Test | 135 Questions with 100% Verified Correct Answers | Latest Update When a round flue is used for the lining of a fireplace chimney the proper fireplace opening to flue
size ratio should be - Correct Answers 12:1
When unlined the smoke chamber walls shall be what thickness - Correct Answers 8" When the opening of the firebox is 6 square feet the extension of the hearth should be - Correct Answers 20 inches T or F the inner surfaces of the smoke chamber shall not be inclined more than 45 degrees from vertical - Correct Answers True A level 2 inspection inspection of accessible areas of attics basements and crawlspaces - Correct Answers True The purpose of a heat reclaimer is to - Correct Answers Extract heat from the flue gases What best describes the allowable free air space around a flue tile - Correct Answers 1/4 inch to 4 inch Crickets are recommended whenever the chimney is - Correct Answers 30" wide The maximum allowable slope of an offset in a verticle flue is - Correct Answers 30 degrees The area of the spark arrestor must not be less than three times the net free area of the chimney flue - Correct Answers True What is the minimum thickness of a wythe - Correct Answers 4 inches nominal chimney liners are listed to what standard - Correct Answers UL 1777 NFPA 211 recommends annual cleaning of chimneys fireplaces and vents - Correct Answers False 1 / 2
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 - Correct Answers 75 % The effective area of a connector for a single appliance shall be ______ the area of the appliance flue collar - Correct Answers atleast 50% Cleanout openings shall be prvided in all chimney flues serving free standing appliances - Correct Answers True What species causes anaphylactic shock? - Correct Answers Bees A type 3 ladder is rated for - Correct Answers 200 lbs what are the stages of wood burning - Correct Answers drying pyrolysis charcoaling The volume of gases which actually pass through the system as a result of draft is - Correct Answers Flow Rectangular flues with aspect ratios greater than 2 to 1 shall be sized at least ______ of the fireplace
opening - Correct Answers 1:8
single wall connector clearance for an unlisted gas appliance with a draft hood is - Correct Answers a level ______ inspection is done with ladders and common hand tools - Correct Answers 2 Draft is the force or pressure difference between the inside and the outside of the venting system - Correct Answers true NFPA 211 recommends chimney flues should be inspected - Correct Answers Annually Two major factors that affect draft are - Correct Answers temperature differential and chimney height
- / 2