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Michigan Builders License Exam: Questions And Answers, Exams of Engineering

Michigan Builders License Exam: Questions And Answers

Typology: Exams

2024/2025

Available from 01/20/2025

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Michigan Builders License Exam:

Questions And Answers

Created to serve as a complete, comprehensive code regulating the construction of single-family, two-family and buildings consisting of three or more townhouse units. Correct Answer - IRC (International Residential Code) Administrative Correct Answer - First 2 chapters of code book are True Correct Answer - Plans or supporting documents are almost always required by the controlling authority prior to issuing a permit. T or F Yes Correct Answer - Does the building official have the authority to render interpretations of the code? 8 foot fence. Correct Answer - None of the following require a permit, EXCEPT: sidewalks and driveways tiling an 8 foot fence playground equipment False Correct Answer - Tables and illustrations are always supported by information found in the written code and footnotes. T or F Live load. Correct Answer - The amount of evenly distributed weight imposed by inhabitants, goods and removable objects on a floor or roof system is referred to as True. Correct Answer - If a code requirement is in the book, it is both acceptable and enforceable by the code official. T or F Figures. Correct Answer - Illustrations are typically referred to as

Determine that buildings are built to the minimum enforceable standard. Correct Answer - Generally speaking, the building official's job is to True. Correct Answer - It is required that all manufacturer instructions be at the jobsite at the time of inspection. T or F Kitchen. Correct Answer - All of the following are not considered habitable spaces EXCEPT: bathrooms kitchens storage spaces closets

  1. Correct Answer - Bathrooms must be provided with an aggregate glazing area no less than _____ square feet, half of which must be openable. 44 inches. Correct Answer - The maximum height of an egress window above the floor is 5.7 sq ft. Correct Answer - A basement bedroom must have an egress window with a clear opening of at least ______ square feet.
  2. Correct Answer - At least one side-hinged exit door must be in each dwelling unit, and must be _____ feet wide. 30 inches. Correct Answer - A porch more than _____ inches above grade must be provided with 36" guards.
  3. Correct Answer - Wall and ceiling finishes shall have a flame-spread classification of no more than ______. 7 days. Correct Answer - According to code, concrete must reach at least 70% of it's ability within ____________days. 40%. Correct Answer - A stud used for a non-bearing partitions may not be notched more than ____% of the stud width. Additions, alterations, renovation and repairs. Correct Answer - The Michigan Uniform Energy code applies to new buildings as well as

U-factor. Correct Answer - ___________ is a measure of how well the window or door assembly conducts heat. The lower the number, the better insulation the assembly will provide. 50%. Correct Answer - Energy losses from recessed lighting fixtures can often reach ___% of the total thermal loss of a ceiling. R-3. Correct Answer - Michigan requires a minimum thermal resistance of ____________for mechanical system piping. True. Correct Answer - Oversized HVAC equipment has a higher initial cost, a higher operating cost, provides less comfort, and shorter life expectancy. T or F Prescriptive Path. Correct Answer - _______ is the compliance route that applies Table 402.1.1 to building envelope components, and is considered the most simple. Area weighted averages. Correct Answer - ___________ can be used to satisfy U-factor and SHGC requirements. IC (Insulation Contact) Correct Answer - Recessed lights must be _____ rated. True. Correct Answer - Up to 15 square feet of glazing per dwelling unit is exempted from U-value requirements. T or F Registered design professional. Correct Answer - The 2009 IECC requires a permanent certificate posted on the electrical distribution panel. The certificate shall be completed by the builder or State energy code requirements. Correct Answer - One hurdle contractors face when bidding for an energy efficient project is choosing materials that fit the design, and also meet False. Correct Answer - Historically significant buildings are not exempt from code changes. T or F R-value

Settled thickness Manufacturer name Correct Answer - Insulation products (blown and sprayed) must be documented with: March 2011. Correct Answer - The new Michigan codes took effect in

  1. Correct Answer - Below grade walls are insulated from the top of the basement wall down to _____ below grade, or the basement floor, whichever is less. Area weighted average. Correct Answer - The _______ is the combined Solar Heat Gain Coefficient of all the glazed fenestration products in the building. Thermal insulation R-values Design criteria Equipment systems Correct Answer - Plans and specifications must be detailed in regards to:
  2. Correct Answer - In Michigan, the residential energy code is based on the _____ IECC, with certain amendments. Air leakage. Correct Answer - ___________ is the rate of air infiltration in the presence of a specific pressure differential. Windows Attic access hatches Recessed lights Correct Answer - Air leakage is the random movement of air into and out of ________ through cracks and holes. Table 402.1. 2009 IECC Correct Answer - R-values for insulation and fenestration requirements by component can be found in International Energy Conservation Code Correct Answer - IECC U-factor and UA alternatives. Correct Answer - The _____________ compliance method allows for more innovative construction techniques like SIPs or Advanced Framing.

500 sq feet Correct Answer - R-30 is permitted in vaulted ceilings, but is limited to True. Correct Answer - Floor insulation must be installed to maintain permanent and continuous contact with the underside of the subfloor decking. T or F 5, 6 and 7. Correct Answer - Michigan falls into climate zones False. Correct Answer - It is permissible for supply ducts to be run through the framing cavities of a residential building. T or F IC rated (Insulation Contact) Correct Answer - __________ means an electrical fixture has been tested and listed as suitable for installation in a cavity where the fixture may come in contact with insulation. 3%. Correct Answer - According to the Dept. of Energy, improved energy codes could reduce CO2 emissions by 300 sq ft. Correct Answer - Attic insulation markers must be installed every _____ square feet. True. Correct Answer - Buildings that are exempted from the new regulations are those with very low energy use or ones that are neither heated or cooled. T or F Yes. Correct Answer - A contractor needs to remove a non-load bearing wall, does he need to pull a permit? No. Correct Answer - A concrete contractor has been hired by an owner to install a driveway and sidewalks. The lot is flat and the concrete is being place on undisturbed earth with a prepared base. Does the contractor need to pull a permit? Yes. Correct Answer - A permit has been issued for a building project and there is a code infraction in the building plans that has been overlooked by the building official. Can the building official require a correction to a project that they previously overlooked?

Health department. Correct Answer - Who issues a well and septic permit? 200 sq. feet. IRC R105 Correct Answer - Permits are not required for one story detached accessory structures not exceeding: The next business day. Correct Answer - If work requiring a permit is provided in an emergency situation, the permit application must be submitted within: True. Correct Answer - If an inspection official is refused entry to a building project, the official will have recourse to the remedies provided by law which include securing a warrant from the court and returning with an officer of the law. No. IRC R104.8 Correct Answer - Can a building official be held liable for any damage occurring to persons or property as a result of their actions or inaction? Yes. Correct Answer - An owner needs a foundation wall repaired, it has seriously buckled due to excessive lateral loading from soil pressure. Does the contractor need to pull a permit? 6 ft. IRC R105.2 Correct Answer - Although contractors should check for restrictive covenants and local zoning requirements, a permit isn't required from the building official for installing a fence not over _______ tall. 180 days. Correct Answer - If a permit is applied for but not yet approved and the applicant is not persueing approval after______ days the application will be considered abandoned. Yes. Correct Answer - Can a building official revoke a Certificate of Occupancy? True. Correct Answer - When a project requiring a permit has commenced prior to the issuance of a permit, the building official is authorized to charge an additional fee. T or F

450 Correct Answer - Foam plastic is used as insulation. The flame spread index cannot exceed 75 and the smoke development index cannot exceed 8". Correct Answer - Foam plastic used for interior trim shall have a maximum thickness of 1/2" and a maximum width of 10%. Correct Answer - Foam plastic interior trim must not constitute more than __________ of the total wall and ceiling area of any room or space. 1/2". Correct Answer - Foam plastic used as insulation in walls must be separated by an approved thermal barrier. What is the minimum thickness of gypsum wall board being used as a thermal barrier for spray foam insulated walls? Framing. Correct Answer - Which of these inspections happens last? Mechanical rough Plumbing rough Framing Electrical rough Yes. Correct Answer - A retaining wall will be five feet tall from the bottom of the footing to the top of the wall. Do you need to pull a permit? At the time of inspection. Correct Answer - Your building is utilizing engineered products such as engineered floor joists. When do the installation instructions need to be available at the work site? 1 3/8" solid wood 1 3/8" honeycomb core 20 minute fire rated Any of the above Correct Answer - A door directly between a garage and a residence shall never open directly into a sleeping room. The door must also be 1 1/4" Correct Answer - The nosing for stairs shall not be less than 3/4" but not be more than

No. Correct Answer - A front porch is 25 inches above the grade below. Are guards required to be installed? False. Correct Answer - If a smoke alarm is in a bedroom, it doesn't need to be right outside the bedroom also. 1/2" Correct Answer - If spray foam insulation is used to insulate a wall, what is the minimum thickness of drywall needed to cover the foam plastic? 200 Correct Answer - Finishing materials used for walls and ceiling shall have a flame-spread index not to exceed No. Correct Answer - Wood joists are 19" above exposed ground. Do they have to be preservative treated or naturally durable wood? True. Correct Answer - You may bulldoze, grade and remove tree stumps in a wetland as long as you have a permit. True. Correct Answer - Current code requires that the lowest floors in newly constructed buildings in flood hazard areas not located in designated Coastal A Zones, must have the lowest floors elevated to or above the 100- year design flood elevation. T or F Cohesive, granular, organic. Correct Answer - What are the three basic soil types? Reduce settling Provide stability Increase load-bearing capacity Correct Answer - The principal reasons to understand soil composition are to: 150 yards Correct Answer - If a excavating company needs to haul away 125 yards of bank soil that will swell 20% how many yards of loose soil will they haul away? Setback. Correct Answer - The exact location of property lines should be determined early in the design phase in order to comply with __________ requirements.

True. Correct Answer - A garden shed over 200 square feet will require a permit.code T or F Bulldozer. Correct Answer - What tool would you use to peel back topsoil? Cutting into Piling soil over Compacting Correct Answer - _________ the root system of a tree during construction can potentially kill it. Builders level. Correct Answer - You would use a ________ to determine a floor is level, but this tool would not help determine if a wall is plumb. 1/2 inch. Correct Answer - The condition of erosion control devices must be checked after a rainfall event of _______ or more within a 24 hour period. 15 feet from the property line. Correct Answer - A side yard easement of 15 feet means your building structure must be: Who set the monument When was it set Where was it set Correct Answer - You can identify survey monuments by the following Easements. Correct Answer - Public _________ provide utilities access to run lines or pipes across or under your property. Fill. Correct Answer - A deposit of earth material placed by artificial means is called True. Correct Answer - Grading is changing the earth surface by either excavating or filling or a combination of both. T or F Rough grade. Correct Answer - The stage at which the grade approximately conforms to approved plans is called: True. Correct Answer - Water wells should be located on the opposite side or uphill side of the house from the drainfield. T or F

Lifts. Correct Answer - When back filling around the foundation the soil should be compacted in __________ of 6 inches at a time. True. Correct Answer - The ablility to achieve maximum density when compacting soil requires that the soil has it's optimum moistute content. T or F True. Correct Answer - The heavier the plates are on a vibratoty plate compactor the more compaction force it will generate. T or F False. Correct Answer - All soil types have the same optimum moisture content for compaction. Plot plan and site plan. Correct Answer - Which drawing shows the shape and boundary lines of a lot, as well as locating the building, driveway, sidewalks, well and septic system, elevation contours, etc. Plot Plan Site plan Elevation plan Both A and B Proctor test Sand cone test Nuclear density test Correct Answer - What is a method of determining soil density? Without adequate moisture or containing too much water. Correct Answer - It is virtually impossible to compact soil without adequate moisture containing too much water with optimum moisture content both A and B Point of reference or a benchmark. Correct Answer - A basic starting point from which measurements in building layout can be made using a transit or builders level is called a All of the above. Correct Answer - When building in a floodplain, special precaution must be made concerning:

flood resistant construction. determining the design flood elevation. placing the lowest floor at the proper elevation. all of the above Parking vehicles , building access or storage. Correct Answer - When building in a floodplain, enclosed areas below the design flood elevation will be used solely for True. Correct Answer - Increasing the weight of the plates on vibratory plate compactors is the best way to increase their efficiency. T or F True. Correct Answer - Rammers are the most efficient compactor to use in clay (cohesive) soils. T or F Avoid raising or lowering the grade around the trees Bore under the tree roots instead of trenching for Utility installations Barricade the area around the trees keeping heavy equipment off Correct Answer - Special precautions should be taken with desirable trees on a building site to avoid injuring and even killing them such as: True. Correct Answer - The optimum moisture content for soil compaction will depend on the type of soil being compacted. Moisture content. Correct Answer - Proper _______________ is the most important factor in efficient soil compaction. Shoring up the side walls. Correct Answer - Three methods of preparing an excavated hole to prevent cave-ins are: 1) providing the correct angle of repose for the specific soil type, 2) the benching method and 3)___________________________________. 5 feet. Correct Answer - If an excavation is more than _____________, an adequate protective system from cave-ins must be utilized. True. Correct Answer - Grading is changing the earth surface by either excavating or filling or a combination of both.

Removing vegetation, noncomplying fill and topsoil. Correct Answer - Before filling, the ground must be prepared to receive fill. An example of this would be: Final grade. Correct Answer - Site vision GPS systems are installed on bulldozers to help establish : Lifts. Correct Answer - When compacting soils, soils should be compacted in ____________________ of 6 inches. This will provide for proper compaction through all levels. Slope. Correct Answer - A ground surface inclination expressed as a ratio of horizontal distance to vertical distance is called Hand shovel. Correct Answer - How should the excavator remove excess soil from beneath a buried electrical line? Prevent evaporation. Correct Answer - There are two ways to insure proper curing of concrete: apply water to make up for water lost due to evaporation, and True. Correct Answer - When pouring concrete, the concrete should be placed near its required point. Excessive handling of the concrete weakens it. T or F Never acceptable. Correct Answer - Pouring concrete on frozen earth is: 1/2" Correct Answer - The diameter of a No. 4 deformed bar is: All of the above. Correct Answer - Which of the following are true in regard to cold-weather construction? calcium chloride is added to concrete to help it set quickly. insulation of straw, hay, or polyethylene is placed around concrete footings. concrete block walls are usually laid with heated mortar. all of the above 1/4 the thickness. Correct Answer - When sawing a control joint in a concrete slab, the joint must be a minimum of how deep?

Middle one third. Correct Answer - Rebar placement for a footing should be in the ________________________ of the footing depth. Chairs. Correct Answer - The most precise way of positioning rebar for a slab is to use: True. Correct Answer - Chairs are classified according to their degree of rust protection. Class #1 is the maximum protection, class #2 is moderate protection, and class #3 is no protection. T or F Curing. Correct Answer - Proper __________________ prevents most problems in the finished concrete. Methods used to ensure a high quality, finished product, include a sprayed on membrane curing compound, polyethylene sheets, waterproof paper or wet burlap. Slump cone. Correct Answer - A _________________ is a 12" high cone which determines the amount of water in the mix. 5% to 7% Correct Answer - In cases of severe cold weather exposure, the air content in a concrete mix should be about: Scale or spall. Correct Answer - If concrete is exposed to de-icers and it is not air entrained, it will: Scaling. Correct Answer - When concrete becomes flaky and fragmented on the surface, this is called: One quarter the space between side forms Three quarters the space between reinforcing bars One third the depth of the slab on ground Correct Answer - The maximum size aggregate is limited to the lesser of: 150 lbs. Correct Answer - How much does one cubic foot of concrete weigh? 28 days. Correct Answer - Concrete is considered to be fully cured or set after ______________days.

True. Correct Answer - Air entrainment protects concrete from frost damage, but also makes concrete more workable. For that reason, not as much water is necessary for the mix. T or F Retarders. Correct Answer - On hot sunny days in the summertime, a contractor may decide to use ____________ to slow down the setting time of concrete. Cement, sand, water, and gravel. Correct Answer - Concrete is made by mixing: Cause it to shrink more Weaken it Cause it to crack more Correct Answer - Adding too much water to a concrete mix will _______________ it. Screeding Correct Answer - _________________ concrete is the process of leveling the freshly poured concrete before it is floated. True Correct Answer - Floating of the freshly screeded concrete is accomplished with a wood or magnesium bullfloat which smoothes out, levels, compacts and brings the small particles to the surface for finishing. T or F Power trowel. Correct Answer - On large areas, it may be necessary to use a __________________ to finish the surface area. Non-slip surface. Correct Answer - On sidewalk surfaces, it is necessary to broom the surface of concrete to provide a: Cure. Correct Answer - It is necessary to maintain the temperature above 50 degrees in order for concrete to properly: 2" Correct Answer - Welded wire mesh should be placed ___________ from the top of concrete slab surface. Efflorescence. Correct Answer - The white salty powder that forms on the finished surface of concrete is called Slab. Correct Answer - A concrete floor may also be called a:

The top cures faster. Correct Answer - Concrete slabs on grade have a tendency to curl because: Power screed. Correct Answer - As concrete is placed in a form it needs to be leveled off. This can be done manually or mechanically with a Movement, expansion or contraction. Correct Answer - A control joint allows for what? To slow down the setting time of concrete. Correct Answer - What is the purpose of adding retarders to a concrete mixture? Water reducers. Correct Answer - What is added to make concrete more workable with less water? 10' Correct Answer - A one car driveway should have a minimum width of? 18' Correct Answer - A two car wide driveway is usually how wide? 3" Correct Answer - Where concrete is cast against and permanently exposed to the earth, reinforcement steel should be __________________ from the earth. Increase the slump to the level specified in the mix design. Correct Answer - In most specifications, adding water to a batch of concrete is permitted only one time at the job site as long as the water/cement ratio is not exceeded. This would be done in order to: Lower the cement factor and increase the size of the aggregate. Correct Answer - A method to prevent cast concrete from excessive shrinking is to: Control random cracking. Correct Answer - Contraction joints, also known as control joints, in a slab are used to: Movement Correct Answer - Isolation joints isolate differing parts of a structure to permit independent:

Construction joints. Correct Answer - ________________________ are a convenient way to limit the size of the placement of concrete to a manageable volume and are a stopping place for a day's work. Base. Correct Answer - For a slab placed below grade, it is necessary to provide at least 4" of crushed gravel or stone. This should be compacted. It will prevent moisture from collecting under the slab. This 4" area is known as ________________________. At least 12 hours. Correct Answer - The timing for the removal of forms is important. The concrete has to achieve a strength great enough to support its own weight and the weight of any construction loads placed upon it. General guidelines for wall and column form removal is _________________________ after placement. Rich concrete. Correct Answer - Concrete that has a lot of Portland cement in the mix may be referred to as: Improves ductility and reduces surface cracks. Correct Answer - What is the reason for using fiber reinforcement in concrete? Form release agent (oil). Correct Answer - What is used to prevent concrete from sticking to wood forms? Calcium chloride. Correct Answer - The most commonly used additive to help concrete set rapidly and more cohesively is: Tool for leveling concrete. Correct Answer - What is a screed? 90 minutes. Correct Answer - With the exception of special conditions, maximum delivery time between the water being mixed with the Portland cement in batching and the time of completion of discharge from a transit-mix truck is Prevent cracks from opening. Correct Answer - What is the sole purpose for welded wire fabric in a floor slab?

True. Correct Answer - The reason for tying reinforcing bars with tie wire is to keep the rebar in place while pouring. It does not add any additional stength to the concrete. T or F Stay-in-place forms. Correct Answer - Concrete slabs poured above grade are often supported by ribbed or corrugated steel decking. These forms are called False. Correct Answer - Rebar is placed in concrete mainly to improve its compression strength. T or F #16 gauge soft annealed. Correct Answer - What is the usual size of tie wire for rebar placement? Temperature reinforcement. Correct Answer - Reinforcing steel placed to resist the stresses due to shrinkage and weather changes is called 27 Correct Answer - Ready mix concrete is purchased by the cubic yard, which is how many cubic feet? The curing process. Correct Answer - The thermal process known as hydration refers to: Determining water mix in concrete. Correct Answer - A slump cone is a metal cone used for: Air entraining agents. Correct Answer - What admixture is used to improve the durability of concrete that is exposed to freezing and thawing? Reinforcing rod or welded wire. Correct Answer - Reinforced concrete is accomplished by adding: 1/4 inch. Correct Answer - The term "fine aggregate" refers to well-graded gravel up to: Has more workability and is more watertight. Correct Answer - In comparison to regular concrete, air entrained concrete:

Making concrete more durable in freeze/thaw conditions. Correct Answer - Air entrainment is used for what? Hydration Correct Answer - When water is added to Portland cement it causes the mass to harden. This reaction is called: Calcium chloride. Correct Answer - Accelerators speed up the curing process. Which of the following is an accelerator? True. Correct Answer - Concrete cures best in cool, damp environments. T or F Durability Surface soundness Reducing cracking Correct Answer - Besides ensuring the proper strength of concrete, proper curing of concrete also aids in: 12" R1003.2 Chimneys Correct Answer - What is the minimum thickness of concrete footings for fireplaces? 3 1/2" Correct Answer - What is the minimum thickness of concrete used for floors on grade? Hot days and large pours with small crews Correct Answer - Retarders slow down the setting time of concrete allowing more time for finishing. This is especially useful on: True. Correct Answer - When pouring concrete directly on earth for exterior purposes such as driveways and side walks, if the base is dry it will tend to draw the moisture out of the concrete prematurely. It's a good idea to moisten the base prior to the pour, no puddles though. Concrete not being air entrained Overworking while finishing air entrained concrete Exposure to deicers within 30 days of the pour Correct Answer - Scaling of concrete is caused by?

True. Correct Answer - Concrete with larger aggregate will need less air entrainment. T or F Sand and water. Correct Answer - When air entrainment is used the amount of _________ in the mix is reduced. T or F Cool damp conditions. Correct Answer - Concrete cures best in? Once. Correct Answer - Transit mix concrete allows for water to be added to the mix ________ at the jobsite. Hydrolic cement or epoxy injection. Correct Answer - To repair a crack in a concrete foundation wall use Slope the ground away from the wall 5% Use impermeable backfill at the building perimeter Install downspouts that carry water away from the foundations Correct Answer - The best way to avoid moisture problems below grade is to: House wrap. Correct Answer - ___________ allows water vapor molecules to pass through, while keeping out liquid rain water. Siding. Correct Answer - __________ is the first line of defense against moisture coming in contact with the wall framing, insulation and interior wall finishing. 6" Correct Answer - Exterior wood framed walls, sheathed walls and wood sidings that are less than ____" above finished grade must be made of either naturally durable wood or preservative treated wood. 1 1/4 inch Correct Answer - The minimum horizontal lap for fiber cement siding is U-factor. Correct Answer - The IECC defines _______ as: The rate at which a window, door, or skylight conducts non-solar heat flow True. Correct Answer - The lower the U-factor, the more energy efficient the window is. T or F

Storm doors Hot tub enclosure Unframed swinging doors Correct Answer - Which of the following areas require safety glazing? 30" Correct Answer - The International Residential Code requires a cricket or saddle built immediately upslope and behind any chimney wider than ______". 14 1/2 inches Correct Answer - What is the actual distance between studs that are placed at 16" O.C.? Moisture to escape. Correct Answer - Housewrap is a special infiltration barrier on the outside surface of the wall sheathing that is installed before the siding is installed. It's high tech design prevents air infiltration while still allowing: Which is 6 inches of drop over 10 feet. Correct Answer - The required slope for the grade around a home away from the foundation is least 5 % for the first 10 feet. 6 inches. Correct Answer - Exposed insulating material applied to the exterior of foundation walls shall be protected to a minimum depth of _________ below the finished grade. Michigan Uniform Energy Code Correct Answer - MUEC True. Correct Answer - To help keep rain water from the roof from saturating the soil around the foundation use a less permeable top-soil or a clay cap at grade so water more effectively moves away from the foundation. T or F Conduction, convection and radiation. Correct Answer - What are the three methods of heat transmission? Warm side in winter. Correct Answer - Where should a vapor barrier be placed on an exterior wall?

An indication of a materials ability to reduce heat transmission. Correct Answer - What does R-value represent? True. Correct Answer - Flashing is required above all window and door openings as well as above all horizontal projecting trims that do not have ship lap or built-in flashing edges. T or F 3 Correct Answer - When crawl spaces are naturally ventilated a ventilation opening is required with ____ feet of each corner. R-1 Correct Answer - Wood that is one inch in thickness has approximately what R-value? True. Correct Answer - Homes with uninsulated crawl space foundation walls require insulation that is in permanent and continuous contact with the underside of the subfloor decking. T or F True. Correct Answer - When installing foam board sheathing using adhesives a solvent adhesive will damage the foam board. T or F True. Correct Answer - 1/2 inch gypsum board has an R- value of .45, softwood lumber has an R- value of 1.25 per inch. T or F True. Correct Answer - Ventilation baffles insure that the required air space below the roof sheathing isn't obstructed by insulation materials. T ot F Paperbacking on batt insulation Polyethylene sheeting Closed cell sprayfoam insulation Correct Answer - In cold climates like Michigan It's important to have a vapor retarder on the inside surface of exterior walls behind the finished wall surface. this can be accomplished with? 8" Correct Answer - When a fireplace lining of firebrick at least 2" in thickness is installed, the total minimum thickness of the back and side wall is _________________, including the firebrick. 1" minimum to 4 1/2" maximum. Correct Answer - The air space between brick siding and the plywood sheathing should be:

Weep holes. Correct Answer - To insure that water moisture is not trapped behind brick veneer, small holes are made in the joints of the lowest course of bricks. These holes are called: Running. Correct Answer - Which brick pattern is the strongest? 2.67 Correct Answer - Brick ties should be placed not more than every 2 feet horizontally, and vertically so that no more than _____ square feet are supported by one tie. Lime. Correct Answer - What ingredient, when increased in mortar, decreases strength but increases workability? Pilaster Correct Answer - A masonry column that is used to support other structural members is called: Fireplace flues should be kept straight as possible, but furnace flue direction can change within code limitations. Correct Answer - When building flues for fireplaces or furnaces: Flue. Correct Answer - The passageway in a chimney which allows the smoke and fumes to escape is the: Width. Correct Answer - A 12" masonry block is referring to what? 16 plus 2 full corners. Correct Answer - How many concrete blocks are needed to lay one course of 8x8x16 blocks in a wall that is 24 feet long? Key stone. Correct Answer - The center stone in the middle of an arch is called? Corner leads. Correct Answer - When constructing a masonry building using block, the ____________ are laid first. 3 feet. Correct Answer - What is the minimum height of a chimney located at the ridge of a roof? Thin set. Correct Answer - What is the mortar base used when laying ceramic flooring?

Add proper amount of sand and mortar. Correct Answer - How would you thicken mortar that has too much water in it? Sufficiently braced. Correct Answer - Backfill shall not be placed against the wall until the wall has sufficient strength and has been anchored to the floor above or has been ___________ _____________ to prevent damage. water. Correct Answer - Mortar is a mixture of lime, Portland cement, sand and 2-1/2 Correct Answer - When the air temperature is above 80F, mortar should be used within _______ hours after originally mixed. True. Correct Answer - Masonry units shall be dry before placing. T or F 3/8" Correct Answer - Concrete blocks are ________ shorter in all dimensions (length, width and height) than the nominal dimensions. 8' Correct Answer - Bracing is required when a masonry wall exceeds ________ while under construction. Add water and thoroughly remix. Correct Answer - To retemper mortar that has stiffened: 3/4" Correct Answer - The minimum allowable bed joint for a starting course on a footing is 1/4" and the maximum allowable is 3/8" to 1/2" Correct Answer - Other than the starting course, horizontal bed joints for masonry shall be: 32-3/8" x 40-3/8" Correct Answer - Constructing a panel using 8" nominal glass block, with the block being four blocks wide and five blocks high, what should the size of the opening be, in order to maintain the bond of the surrounding blocks in the wall? 7-3/4" x 7-3/4" x 3-7/8" Correct Answer - What is the actual size of a nominal 8" square glass block?

Hydraulic cement Correct Answer - What product is a non-corrosive, non- rusting and non-shrinking material that is best used to seal cracks in masonry and concrete? Diamond tip blade. Correct Answer - What blade would you use to cut brick with? 1-1/2 Correct Answer - Grout shall not be used after _______ hours after originally mixed. Prior to mixing, heat sand and water to produce mortar above 40 degrees Correct Answer - In cold weather, to prevent mortar from freezing Closure block Correct Answer - The block which fills the final gap in a course between corners is called the: Bed joints Correct Answer - In constructing a stack bond joint, #9 gage steel reinforcement is required in every other course. The joint reinforcement is placed horizontally in the: 3/8" Correct Answer - Bed joints are horizontal joints. The first course of bed joints can't be less than 1/4" or more than 3/4". Ideally, all joints should be: 9 gauge wire Correct Answer - Wall ties are either #22 gauge galvanized sheet metal or: 8" Correct Answer - Masonry walls for fireplaces shall not be less than __________ in thickness where a firebrick lining is used. 20" Correct Answer - The firebox shall not be less than ___________ in depth. 1/4" Correct Answer - Joints in fire brick shall not exceed: hearth Correct Answer - The fireplace ____________________ shall be composed of brick, concrete, stone or other approved noncombustible materials and not be less than 4" thick.

8" Correct Answer - The throat in the fireplace shall not be less than ___________ above the fireplace opening and shall not be less than 4" in depth. muriatic acid Correct Answer - Mix 15 parts water to one part ________________________ to remove efflorescence and excess mortar from the face of brick that has recently been laid. True. Correct Answer - Mortar bearing surfaces of glass block have rough edges to form a good bond with mortar. T or F raking Correct Answer - Removing fresh mortar from a fresh joint is called: width Correct Answer - In an 8" cement block, this measurement refers to: 3/8" shorter than its nominal dimensions Correct Answer - A standard concrete block is: U Correct Answer - A lintel block is what shape? 3-5/8"x 8" x 2-1/4" Correct Answer - What are the dimensions of a standard non-modular brick? lintel Correct Answer - Where would a mason use angle iron? to keep moisture from getting between the bricks and the flue Correct Answer - Why does a brick chimney have a cement cap on it? minimum #9 gage wire corrosion resistant sheet metal Correct Answer - When laying bricks, what are the brick ties made of? 16" Correct Answer - What is the minimum hearth extension in front of a fireplace with less than 6 sq.ft. of opening? 20" Correct Answer - When the fireplace opening is more than 6 sq.ft. the hearth extension in front of the opening must be at least? 12" Correct Answer - When the fireplace opening is 6 sq.ft. or larger the hearth extension for each side must be at least?