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The Official CSIA Exam Study Guide
Questions with Verified Answers
What is a corbel? ✔✔masonry projecting upward and outward from a wall or chimney
A cricket is designed to_________. ✔✔redirect water and snow away from the chimney
What is a wythe? ✔✔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? ✔✔12:
Where unlined the smoke chamber walls shall be what thickness? ✔✔8"
When the opening of the fireplace is 6 square feet the extension of the hearth should be __________? ✔✔20 inches
The inner surfaces of the smoke chamber shall not be inclined more than 45 degrees from vertical: true or false? ✔✔True
A level II inspection includes inspection of accessible areas of attics, basements,and crawlspaces: true or false? ✔✔True
The purpose of a heat reclaimer is to _______? ✔✔extract heat from the flue gases.
What answer best describes the allowable free air space around a flue tile? ✔✔1/2" to 4"
Crickets are recommended whenever the chimney is ____ wide or more. ✔✔30"
The maximum allowable slope of an offset in a vertical flue is ___________. ✔✔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? ✔✔True
What is the minimum thickness of a wythe? ✔✔Four inches nominal
Chimney liners are listed to what standard? ✔✔UL 1777
Wood burns in three identifiable stages: ____________, ____________, and ____________. ✔✔drying, pyrolysis , charcoal
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 fireplace opening. ✔✔1:
Single wall connector clearance for an unlisted gas appliance with a draft hood is_____________. ✔✔9 inches
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 or false? ✔✔True
The ideal lift is to ____. ✔✔lift with your legs and keep your back straight
Draft is ____________. ✔✔the pressure difference between the inside and the outside of the venting system
NFPA 211 recommends chimney flues should be inspected _____________ and_______________. ✔✔annually, upon a real estate transfer
Two major factors that effect draft are ____________ and ____________. ✔✔temperature differential and chimney height
Which of the following is not a factor of combustion efficiency? ✔✔(time, wind speed, turbulence, temperature)
answer: wind speed
Rabies is not carried by ____________. ✔✔birds
Which species carries histoplasmosis? ✔✔birds
Which animal is known for roundworm? ✔✔raccoons
According to NFPA 211, solid fuel-burning appliances can be installed in a garage: ✔✔Never
The maximum weight for an Type I industrial grade ladder rating is ____________. ✔✔ 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 __________. ✔✔6 inches
There must be ____ inches of masonry between a wall thimble and combustible material. ✔✔ 12
Smoke pipe diameter 6 through 10 inches has a required gauge of __________. ✔✔ 24
Single wall chimneys on the exterior of a home can only be used for oil or gas: true or false? ✔✔False
Only allowable vent to be used in a stud cavity of a wall. ✔✔BW Vent
A single wall connector used for oil and solid fuel appliances requires at least _____ inches of clearance to combustible material. ✔✔ 18
A Type L vent is used for low temp oil appliances and gas appliances: true or false? ✔✔True
Unlisted appliances with legs providing 6 inches (or more) of ventilation under the appliance require which of the following hearths: ✔✔2 inches of brick covered with 24 gauge sheetmetal
Connector pipes or thimble should extend into the flue how far? ✔✔flush with interior flue wall
Connector pipes must be secured with at least ______screws. ✔✔ 3
The formula for determining the cross sectional area of a square or rectangular flue is pi x r2: true or false? ✔✔False
Two major factors influence the amount of draft, which two (of the choices below) best describe them?
-height and btus of chimney
Woodwork such as mantels and other combustible material can be placed within 5 inches of fireplace opening: true or false? ✔✔False
If the fireplace opening of a fireplace is less than 6 square feet the minimum hearth requirements would be __________. ✔✔8" to each side of the opening and 16" in front of opening
For a fireplace opening 38" wide and 27" high, the hearth should extend____ inches in front of the fireplace and____inches to each side of the fireplace opening. ✔✔20, 12
A 26 gauge thick smoke pipe should be used for a pipe diameter of __________. ✔✔less than 6 inches
Any residential chimney must terminate through the roofline at least _____above the point the pass through the roof. ✔✔3 feet
Combustible materials must be spaced ____from the back wall of a masonry fireplace. ✔✔ 4 inches
The smoke chamber depth should not exceed __________. ✔✔?
Minimum air space allowed between the flue lining and the interior masonry wall is __________. ✔✔not less than 1/2 inch
The lintel prov ides a transition from the smoke chamber to the flue lining: true or false? ✔✔False
Wood burns in three identifiable stages. Which is the second stage? ✔✔pyrolysis
The color code for a type 1 ladder is blue: true or false? ✔✔True
When walking on a roof you should walk ___________. ✔✔near the ridges and valleys
OSHA states that a proper ladder angle or slope is ________. ✔✔4 to 1
The area of a 8" round pipe is approximately ________. ✔✔50 Square inches
Mobile home and manufactured homes must meet stringent NFPA 211 standards: true or false? ✔✔False
Vents are used for venting solid fuel burning appliances only: true or false? ✔✔False
A draft hood should be installed on a woodstove when:
-the manufactures instructions cannot be found
-when draft is needed to be increased
-if there is negative pressure in the room
-none of the above ✔✔none of the above
Single wall connectors less than or equal to what diameter will be permitted to pass through a partition or wall:
-none of the above ✔✔none of the above
Square chimney flues shall have a minimum cross-sectional area of at least ________ the area of the fireplace opening. ✔✔1/10th
Wood stove with pedestals providing 2 to 6 inches of ventilated open air space may be placed over combustible floors if ____________. ✔✔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? ✔✔1 inch
Unless a wood burning appliance is listed otherwise the floor protection should extend at least ____ inches on all sides of the appliance. ✔✔ 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 ✔✔stack effect
What is the formula to determine the area of a circle? ✔✔Radius X Radius X 3.
If a mantel projects 3 " from the face of the fireplace, it should be _____ above the fireplace opening. ✔✔12 inches
When measuring distances, nominal dimensions may vary from their stated dimensions by no more than________. ✔✔1/2 inch
The minimum height for a chimney or vent above flue collar or draft hood is ____. ✔✔5 feet
A Chimney must be _____ taller than any portion of any structure located within 10 feet of the chimney. ✔✔24 inches
A chimney must be _______tall at the point it passes through the roof. ✔✔36 inches
Interior residential chimneys shall be ______where they extend through closets,storage areas, or habitable spaces. ✔✔enclosed
The maximum continuous flue gas temperature for a residential chimney should not exceed __________. ✔✔1000 degrees
All spaces between chimneys and the floors and ceilings through which the chimneys pass shall remain fully open but be ________ with noncombustible material. ✔✔firestopped
There should be an air space between the flue tile and the (inside of the) chimney wall of at least_____and no more than______. ✔✔1/2 inch,4 inches
24 gauge sheet metal is thinner than 26 gauge metal true or false? ✔✔False
When inspecting clearance reduction systems, all clearances shall be measured from the outer surface of the connector or appliance to __________. ✔✔the combustible material
A 24 gauge sheet metal panel with 1-inch airspace will reduce clearance to combustibles by ______ when used as a ceiling protector. ✔✔50%
A horizontal connector pipe 4 feet long must rise______between the appliance and chimney. ✔✔1 inch
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. ✔✔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 _____. ✔✔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. ✔✔12 inches
According to NFPA 211, chimneys should be inspected every ____________. ✔✔year
Checking the basic appliance installation and connection is part of a _______inspection. ✔✔Level I
Checking the size and suitability of flues for the connected appliances is part of a ______ inspection. ✔✔Level II
Checking the appliance and connector clearance is part of a _____ inspection. ✔✔Level I
Checking the expansion joint between the flue tile and the wash is part of a ______inspection. ✔✔Level II
Checking the fire stopping is part of a _____inspection. ✔✔Level III
Checking that the wall pass through has adequate clearance is part of a _____ inspection. ✔✔Level II
What is pyrolysis? ✔✔A chemical alteration of wood (fuel) as a result of the application of heat
What is spalling? ✔✔Flaking or chipping of brick
Gases driven off from burning wood ignite at approximately ______ Fahrenheit. ✔✔ 1100 degrees
Complete combustion yields ______, water vapor, and heat. ✔✔Carbon dioxide
