Download CSIA Official Exam Study Guide: Chimney and Fireplace Safety and Installation and more Exams Safety and Fire Engineering in PDF only on Docsity!
CSIA Official Exam Study Guide
Horizontal sections of connector pipe should be installed with the seams on the ________. - โ โ top A barometric damper ______ draft. - โ โ reduces IF a ladder is used to reach a roof line that is 16 feet high, the base of the ladder should be ______from the building. - โ โ 4 feet Hypothermia is a potential hazard for chimney technicians. It is caused by ______________. - โ โ Exposure to cold Raising the height of the chimney ___________________. - โ โ Increases draft The customer thinks their chimney was damaged during a recent hurricane. You should recommend which level of inspection? - โ โ Level 2 To help establish draft in a cold chimney when lighting the fire you could ______________________. - โ โ Hold a burning newspaper wand up in the damper Video scanning the chimney is a required part of a Level 1 inspection: true or false? - โ โ False Which organization regulates woodstoves & fireplaces in mobile homes? - โ โ HUD The best shoes for walking on roofs are ______________________. - โ โ Sneakers or boots with crepe or gum soles
Creosote is _______. - โ โ Carcinogenic How do you reset a stack control on an oil fired appliance? - โ โ Pull the lever out of 1/4 of an inch, then release slowly Backpuffing is described as ___________________________. - โ โ Smoke coming into the room in short sharp bursts Sensible heat is heat that you can feel: true or false? - โ โ True Latent heat is heat that you can feel: true or false? - โ โ False Having the customer sign your documentation is important because _________________________. - โ โ It gives them the burden to act on any issues you have noted Natural gas has approximately ___________ BTU's per cubic foot of gas. - โ โ 1000 Propane gas has approximately ___________ BTU's per cubic foot of gas. - โ โ 2500 A ridge hook
__. - โ โ attaches to a ladder and projects over the peak of the roof The ideal moisture content of wood should range between ________ to ________. - โ โ 15 to 25 percent The two major principles at work in a chimney are __________ and _________. - โ โ flow, draft
-none of the above - โ โ none of the above Square chimney flues shall have a minimum cross-sectional area of at least ________ the area of the fireplace opening. - โ โ 1/10th Wood stove with pedestals providing 2 to 6 inches of ventilated open air space may be placed over combustible floors if ____________. - โ โ the floor is protected with not less than 4 inches of masonry covered with 24 gauge sheet metal An exterior masonry chimney must have a least how many inches of clearance to a combustible wall? - โ โ 1 inch Unless a wood burning appliance is listed otherwise the floor protection should extend at least ____ inches on all sides of the appliance. - โ โ 18 A Form of draft that is created in house because of the differential temp between the inside of the home is an example of which of the following conditions? -wind induced downdraft problem -stack effect -dynamic wind loading -draft - โ โ stack effect
Draft is measured in __________. - โ โ inches of water column What book or manual should you use as a guide for the installation of a factory-built fireplace? - โ โ The fireplace installation instructions The clearance to combustibles for an exterior masonry chimney is ______? - โ โ 1 The Clearance to combustibles for an interior masonry chimney is ____.
- โ โ 2 Unlisted decorative shrouds are allowed on zero clearance fireplaces: true or false? - โ โ false 3 1/2 " thick masonry wall without ventilated air space allows you to reduce clearances by how much? - โ โ 33% According to the International Residential Code, where there is no firebrick lining in the firebox the thickness of back and side walls shall be not less than _______. - โ โ 10" What is the formula to determine the area of a circle? - โ โ Radius X Radius X 3. If a mantel projects 3 " from the face of the fireplace, it should be _____ above the fireplace opening. - โ โ 12 inches When measuring distances, nominal dimensions may vary from their stated dimensions by no more than________. - โ โ 1/2 inch The minimum height for a chimney or vent above flue collar or draft hood is ____. - โ โ 5 feet
_________ operated dampers shall not be placed in chimneys, vents or connectors of stoker-fired, liquid or gas - burning appliances. - โ โ Manually For information on concerning the use and installation of draft hoods, refer to: -The National Fuel Gas Code -The NFGC -The NFPA 54 -All of the above,because they all refer to the same document - โ โ All of the above,because they all refer to the same document Steel fireplace units incorporating a firebox liner of not less than_____thick steel and an air chamber shall be installed with masonry to provide a total thickness at the back and side of not less than ____,not less than______of which shall be solid masonry. - โ โ 1/4 inch,8 inches,4 inches The clearance between the outside surface of the sidewall of a masonry fireplace and combustible material shall be not less than - โ โ 2 inches When the fireplace opening is greater than 6 square feet, the hearth must extend _______ in front of the fireplace opening, and _____ to each side of the fireplace opening. - โ โ 20 inches, 12 inches A 3 1/2 inch thick brick wall protection system installed with a 1- inch airspace will reduce clearance to combustibles material by _____. - โ โ 66%
When used with an unlisted freestanding woodstove, the clearance between the combustible wall and the woodstove should be ______ when the wall is protected by a 3 1/2" brick wall with a 1" airspace. - โ โ 12 inches According to NFPA 211, chimneys should be inspected every ____________. - โ โ year Checking the basic appliance installation and connection is part of a _______inspection. - โ โ Level I Checking the size and suitability of flues for the connected appliances is part of a ______ inspection. - โ โ Level II Checking the appliance and connector clearance is part of a _____ inspection. - โ โ Level I Checking the expansion joint between the flue tile and the wash is part of a ______inspection. - โ โ Level II Checking the fire stopping is part of a _____inspection. - โ โ Level III Checking that the wall pass through has adequate clearance is part of a _____ inspection. - โ โ Level II What is pyrolysis? - โ โ A chemical alteration of wood (fuel) as a result of the application of heat What is spalling? - โ โ Flaking or chipping of brick Gases driven off from burning wood ignite at approximately ______ Fahrenheit. - โ โ 1100 degrees
The purpose of a heat reclaimer is to _______? - โ โ extract heat from the flue gases. What answer best describes the allowable free air space around a flue tile? - โ โ 1/2" to 4" Crickets are recommended whenever the chimney is ____ wide or more. - โ โ 30" The maximum allowable slope of an offset in a vertical flue is ___________. - โ โ 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? - โ โ True What is the minimum thickness of a wythe? - โ โ Four inches nominal Chimney liners are listed to what standard? - โ โ UL 1777 NFPA 211 recommends annual cleaning of chimneys,fireplaces, and vents: true or false? - โ โ False 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. - โ โ 75% The effective area of a connector for a single appliance shall be ____ the area of the appliance flue collar. - โ โ not less than Cleanout openings shall be provided in all chimney flues serving freestanding appliances: true or false? - โ โ true
Which of the following species may cause anaphylactic shock? - โ โ bees A type 3 ladder is rated for ______. - โ โ 200lbs Wood burns in three identifiable stages: ____________, ____________, and ____________. - โ โ drying, pyrolysis , charcoal The volume of gases which actually pass through the system as a result of draft is___________. - โ โ flow Rectangular flues with aspect ratios greater than 2 to 1 shall be sized at least ____ of fireplace opening. - โ โ 1: Single wall connector clearance for an unlisted gas appliance with a draft hood is_____________. - โ โ 9 inches A Level _____ inspection is done with ladders and common hand tools.
- โ โ 2 Draft is the force or pressure difference between the inside and the outside of the venting system: true or false? - โ โ True The ideal lift is to ____. - โ โ lift with your legs and keep your back straight Draft is ____________. - โ โ the pressure difference between the inside and the outside of the venting system NFPA 211 recommends chimney flues should be inspected _____________ and_______________. - โ โ annually, upon a real estate transfer
A 24 gauge sheet metal panel with 1-inch airspace will reduce clearance to combustibles by(when used as a wall protector) _________-. - โ โ 66% According to NFPA 211, solid fuel-burning appliances can be installed in a garage: - โ โ Never The maximum weight for an Type I industrial grade ladder rating is ____________. - โ โ 250 pounds Where the trim of a mantel extends up to an 1 1/2", clearance to combustibles from the firebox opening should be at least __________. - โ โ 6 inches There must be ____ inches of masonry between a wall thimble and combustible material. - โ โ 12 Smoke pipe diameter 6 through 10 inches has a required gauge of __________. - โ โ 24 Single wall chimneys on the exterior of a home can only be used for oil or gas: true or false? - โ โ False Only allowable vent to be used in a stud cavity of a wall. - โ โ BW Vent A single wall connector used for oil and solid fuel appliances requires at least _____ inches of clearance to combustible material. - โ โ 18 A Type L vent is used for low temp oil appliances and gas appliances: true or false? - โ โ True
Unlisted appliances with legs providing 6 inches (or more) of ventilation under the appliance require which of the following hearths: - โ โ 2 inches of brick covered with 24 gauge sheetmetal Connector pipes or thimble should extend into the flue how far? - โ โ flush with interior flue wall Connector pipes must be secured with at least ______screws. - โ โ 3 The formula for determining the cross sectional area of a square or rectangular flue is pi x r2: true or false? - โ โ False Two major factors influence the amount of draft, which two (of the choices below) best describe them? -height and btus of chimney -temperature difference between the outside and the flue gas temperature,chimney height -lateral run of connector pipe and heights of chimney -temperature of flue gases and cross sectional area of flue - โ โ temperature difference between the outside and the flue gas temperature,chimney height The height of the smoke chamber should be no taller than _____. - โ โ width of fireplace opening Connectors shall maintain a pitch or rise of ________inch per foot of horizontal length of pipe from the appliance to the chimney or vent. - โ โ 1/
Minimum air space allowed between the flue lining and the interior masonry wall is __________. - โ โ not less than 1/2 inch The lintel prov ides a transition from the smoke chamber to the flue lining: true or false? - โ โ False Wood burns in three identifiable stages. Which is the second stage? - โ โ pyrolysis The color code for a type 1 ladder is blue: true or false? - โ โ True When walking on a roof you should walk ___________. - โ โ near the ridges and valleys OSHA states that a proper ladder angle or slope is ________. - โ โ 4 to 1 The area of a 8" round pipe is approximately ________. - โ โ 50 Square inches The temperature measured with a surface thermometer is roughly _____ of the actual internal flue gas temperature. - โ โ 50% Pellet fuel produces approximately _____ of heat per pound. - โ โ 8200 BTU "s Cordwood fuel produces approximately ______Of heat per pound. - โ โ 8600 BTU "s A heat exchanger is ___________. - โ โ An area in the appliance where heat is transferred to air or water A combustion chamber is ______________________. - โ โ An area in the appliance where heat is produced
A _____ is a fixed metal plate between the firebox and stove flue collar designed to increase combustion efficiency by slowing the passage of smoke. - โ โ baffle When the furnace blower is located on the return side of the furnace it will create ______pressure around the furnace exchanger. - โ โ Positive
