The Official CSIA Exam 1 (100% correct and graded A+)

What is a corbel? - Answer-masonry projecting upward and outward from a wall or chimney A cricket is designed to_________. - Answer-redirect water and snow away from the chimney What is a wythe? - Answer-A course of brick separating flues within a chimney When a round flue is used for the lining of a fireplace chimney the proper fireplace opening to flue size ratio should be? - Answer-12:1 Where unlined the smoke chamber walls shall be what thickness? - Answer-8" When the opening of the fireplace is 6 square feet the extension of the hearth should be __________ ? - Answer-20 inches The inner surfaces of the smoke chamber shall not be inclined more than 45 degrees from vertical: true or false? - Answer-True A level II inspection includes inspection of accessible areas of attics, basements,and crawlspaces: true or false? - Answer-True The purpose of a heat reclaimer is to _______? - Answer-extract heat from the flue gases. What answer best describes the allowable free air space around a flue tile? - Answer-1/2" to 4" Crickets are recommended whenever the chimney is ____ wide or more. - Answer-30" The maximum allowable slope of an offset in a vertical flue is ___________. - Answer-30 degrees The net area of the spark arrestor must not be less than three times the net free area if the chimney flue: true or false? - Answer-TrueWhat is the minimum thickness of a wythe? - Answer-Four inches nominal Chimney liners are listed to what standard? - Answer-UL 1777 NFPA 211 recommends annual cleaning of chimneys,fireplaces, and vents: true or false? - AnswerFalse The horizontal length of a single-wall connector to a natural draft chimney or vent serving a single appliance shall be not more than ______ of the height of the vertical height of the chimney. - Answer-75% The effective area of a connector for a single appliance shall be ____ the area of the appliance flue collar. - Answer-not less than Cleanout openings shall be provided in all chimney flues serving freestanding appliances: true or false? - Answer-true Which of the following species may cause anaphylactic shock? - Answer-bees