Comprehensive Resource To Help You Ace 2026-2027 Exams
Includes Frequently Tested Questions With ELABORATED
100% Correct COMPLETE SOLUTIONS
Guaranteed Pass First Attempt!! Current Update!!
Instant Download Pdf
1. Inlets to masonry chimneys - Correct 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.
2. Chimneys should be high enough - Correct Answer: to prevent
downdrafts caused by wind.
3. The 3-2-10 Rule for masonry chimneys - Correct 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.
4. House framing components - Correct Answer: should be at least 2
inches away from the chimney wall
,5. Open spaces between the chimney wall and the combustible building
materials - Correct Answer: should be sealed and insulated with non-
combustible material.
6. A masonry chimney - Correct 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.
7. The chimney footer - Correct Answer: may be connected with the house
foundation and footing
8. Footings for masonry chimneys - Correct 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.
9. Footings for masonry fireplaces - Correct 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.
10.All masonry chimneys must be lined. - Correct Answer: The chimney
lining must be appropriate for the type of fireplace, stove, appliance, or
heating system connected to it.
11.The walls of the masonry chimney having a clay interior flue - Correct
Answer: should be at least 4 inches thick, considering a standard brick is 3-
5/8-inches wide.
,12.The minimum standard thickness for a flue lining is - Correct Answer:
5/8-inch thick
13.The size of the chimney depends on the - Correct Answer: number and
size of the flues.
14.The flue for a heating system or fireplace should have - Correct Answer:
enough cross-sectional area and height to create an adequate draft.
15.Masonry chimneys - Correct Answer: can have clay, ceramic, cast-in-
place, or metal conduit flue linings.
16.Modern standards for chimneys - Correct Answer: require liners to be
installed in all masonry chimneys. Unlined chimneys are not safe.
17.A chimney without a flue lining is considered - Correct Answer: a
material defect and should be reported.
18.The purpose of the flue - Correct Answer: is to contain the combustion
products, direct them to the exterior, and protect the masonry chimney
walls from heat and corrosion
19.A masonry chimney without a flue liner - Correct Answer: must be
professionally inspected and corrected by a certified chimney contractor
, who will make repairs or replacements so that it meets modern safety
standards.
20.Clay tiles - Correct Answer: are the most common type of masonry
chimney liners.
21.Clay tile flue linings can be - Correct Answer: square, rectangular or
circular.
22.The general rule for flue linings. - Correct Answer: is that a single flue
should be used for only one heating system (You may find the vent from a
gas-fired furnace and a gas-fired water tank connected to one flue.)
23.The clay flue lining should extend - Correct Answer: above the top brick
course or masonry cap a minimum of 4 inches.
24.The masonry cap - Correct Answer: must be sloped in order to direct
water away from the flue and off the chimney top.
25.Metal chimney flue liners are usually made of - Correct Answer:
stainless steel or aluminum. They are used to upgrade and repair existing
masonry chimneys.
26.Stainless steel chimney flue liners are suitable for - Correct Answer:
wood-burning, gas, or oil applications.