Chimney Tested Exam Questions Reviewed And Revised With Correct Answers Already Passed!!
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Course
CSIA
Institution
CSIA
Chimney Tested Exam Questions
Reviewed And Revised With
Correct Answers
Already Passed!!
1. When performing a test for spillage the smoke must be applied? -
ANSWER
Within 5 minutes of lighting the appliance.
Masonry chimneys are sometimes corbeled, which means that several succes...
Chimney Tested Exam Questions
Reviewed And Revised With
Correct Answers
Already Passed!!
1. When performing a test for spillage the smoke must be applied? -
ANSWER Within 5 minutes of lighting the appliance.
Masonry chimneys are sometimes corbeled, which means that several successive
courses are extended outward. Sometimes corbeling is observed from the
unfinished attic space. Corbeling is usually observed in a location of the chimney
just before the chimneystack rises up through the roof.
2. Masonry chimneys shall not be corbeled more than one-half of the chimney
wall's thickness from a wall or foundation. The projection of a single course
shall not exceed one-half the unit's height, or one-third of the unit's bed
depth, whichever is less. - ANSWER
3. Type L - ANSWER Vent material for chimney
4. Pipe Thickness - ANSWER for 6 inch or smaller use 26-gauge galvanized
sheet metal
, 5. For a masonry chimney flue - ANSWER the connector vent pipe must
connect at a point at least 12 inches above the lowest portion of the
interior of the chimney flue. Some building codes provide for only 8 inches.
Connector vent pipes should be installed in accordance with the manufacturer's
installation instructions.
6. Maximum length of an uninsulated connector pipe to a natural draft
chimney is - ANSWER 10 feet.
7. The horizontal run of an uninsulated connector pipe to a natural draft
chimney should not exceed - ANSWER 75% of the height of the chimney
above the connector.
8. The horizontal run of a listed and labeled connector pipe to a natural draft
chimney should not exceed - ANSWER 100% of the chimney height
above the connector.
9. Connectors should be sloped - ANSWER at least 1/4-inch of rise per foot
of run.
10. Connector joints should be - ANSWER fastened with sheet metal
screws or rivets.
11. A chimney connector pipe or vent connector pipe should not pass through
- ANSWER any floor or ceiling. It should not pass through a wall either,
unless it's listed and labeled for a wall pass-through.
,12. A single-wall metal pipe used as a vent connector passing through a wall,
ceiling or floor must be - ANSWER guarded by a ventilated, non-
combustible metal thimble, and must maintain a minimum clearance of 6
inches between the thimble and any combustibles
13. A non-combustible thimble must be used where - ANSWER a single-
wall metal pipe passes through a roof constructed of combustible material
14. For unlisted single-wall chimneys and vent connectors - ANSWER It
would be uncommon to find a single-wall metal pipe passing through a
ceiling, wall, floor, or roof.
15. A single-wall metal pipe used as a vent connector - ANSWER must
maintain a minimum clearance of 18 inches between the metal pipe and
any combustibles.
16.The size of the connector pipe - ANSWER should not be smaller than
the flue collar of the appliance. The pipe should not reduce or restrict itself.
17. Inlets to masonry chimneys - ANSWER must enter from the side. Inlets
must have a thimble made of fireclay, rigid refractory material, or metal
that will prevent the connector from pulling out of the inlet or from
extending beyond the wall of the liner.
18.Chimneys should be high enough - ANSWER to prevent downdrafts
caused by wind.
, 19.The 3-2-10 Rule for masonry chimneys - ANSWER states that a masonry
chimney should extend at least 3 feet above the highest point where the
chimney passes through the roof, and 2 feet above any portion of a building
that is within a 10-foot distance horizontally.
20. House framing components - ANSWER should be at least 2 inches away
from the chimney wall
Open spaces between the chimney wall and the combustible building materials -
ANSWER should be sealed and insulated with non-combustible material.
A masonry chimney - ANSWER has its own footing and is built in a way such
that the chimney provides no support to, nor receives support from, the house
structure.
The chimney footer - ANSWER may be connected with the house foundation
and footing
Footings for masonry chimneys - ANSWER must be made of concrete or solid
masonry at least 1 foot thick. They should extend at least 6 inches beyond the
face of the fireplace or foundation wall on all sides.
Footings for masonry fireplaces - ANSWER must extend below the frost line.
They must be installed on natural, undisturbed earth or engineered fill below
frost depth. In climate areas not subject to freezing, the footings should be
installed at least 1 foot below the finished grade.
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