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Michigan Builders License Exam |2025 Update
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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. - Answer--IRC (International Residential Code) Administrative - Answer--First 2 chapters of code book are True - Answer--Plans or supporting documents are almost always required by the controlling authority prior to issuing a permit. T or F Yes - Answer--Does the building official have the authority to render interpretations of the code? 8 foot fence. - Answer--None of the following require a permit, EXCEPT: sidewalks and driveways tiling an 8 foot fence playground equipment False - Answer--Tables and illustrations are always supported by information found in the written code and footnotes. T or F Live load. - 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. - Answer--If a code requirement is in the book, it is both acceptable and enforceable by the code official. T or F Figures. - Answer--Illustrations are typically referred to as
Determine that buildings are built to the minimum enforceable standard. - Answer-- Generally speaking, the building official's job is to True. - Answer--It is required that all manufacturer instructions be at the jobsite at the time of inspection. T or F Kitchen. - Answer--All of the following are not considered habitable spaces EXCEPT: bathrooms kitchens storage spaces closets
- Answer--Bathrooms must be provided with an aggregate glazing area no less than _____ square feet, half of which must be openable. 40%. - Answer--A stud used for a non-bearing partitions may not be notched more than ____% of the stud width. Additions, alterations, renovation and repairs. - Answer--The Michigan Uniform Energy code applies to new buildings as well as U-factor. - 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%. - Answer--Energy losses from recessed lighting fixtures can often reach ___% of the total thermal loss of a ceiling. R-3. - Answer--Michigan requires a minimum thermal resistance of ____________for mechanical system piping. 44 inches. - Answer--The maximum height of an egress window above the floor is 5.7 sq ft. - Answer--A basement bedroom must have an egress window with a clear opening of at least ______ square feet.
- Answer--At least one side-hinged exit door must be in each dwelling unit, and must be _____ feet wide. 30 inches. - Answer--A porch more than _____ inches above grade must be provided with 36" guards.
- Answer--Wall and ceiling finishes shall have a flame-spread classification of no more than ______.
- Answer--In Michigan, the residential energy code is based on the _____ IECC, with certain amendments. Air leakage. - Answer--___________ is the rate of air infiltration in the presence of a specific pressure differential. Windows Attic access hatches Recessed lights - Answer--Air leakage is the random movement of air into and out of ________ through cracks and holes. Table 402.1. 2009 IECC - Answer--R-values for insulation and fenestration requirements by component can be found in International Energy Conservation Code - Answer--IECC U-factor and UA alternatives. - Answer--The _____________ compliance method allows for more innovative construction techniques like SIPs or Advanced Framing. 500 sq feet - Answer--R-30 is permitted in vaulted ceilings, but is limited to True. - 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. - Answer--Michigan falls into climate zones False. - Answer--It is permissible for supply ducts to be run through the framing cavities of a residential building. T or F Builders level. - 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. - 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. - 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 - Answer--You can identify survey monuments by the following Easements. - Answer--Public _________ provide utilities access to run lines or pipes across or under your property.
Fill. - Answer--A deposit of earth material placed by artificial means is called True. - Answer--Grading is changing the earth surface by either excavating or filling or a combination of both. T or F Rough grade. - Answer--The stage at which the grade approximately conforms to approved plans is called: True. - Answer--Water wells should be located on the opposite side or uphill side of the house from the drainfield. T or F Lifts. - Answer--When back filling around the foundation the soil should be compacted in __________ of 6 inches at a time. True. - Answer--The ablility to achieve maximum density when compacting soil requires that the soil has it's optimum moistute content. T or F True. - Answer--The heavier the plates are on a vibratoty plate compactor the more compaction force it will generate. T or F False. - Answer--All soil types have the same optimum moisture content for compaction. Plot plan and site plan. - 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 - Answer--What is a method of determining soil density? Without adequate moisture or containing too much water. - 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. - Answer--A basic starting point from which measurements in building layout can be made using a transit or builders level is called a
Yes. - 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. - Answer--Who issues a well and septic permit? 200 sq. feet. IRC R105 - Answer--Permits are not required for one story detached accessory structures not exceeding: The next business day. - Answer--If work requiring a permit is provided in an emergency situation, the permit application must be submitted within: True. - 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 - 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. - 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 - 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. - 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. - Answer--Can a building official revoke a Certificate of Occupancy? True. - 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 - Answer--Foam plastic is used as insulation. The flame spread index cannot exceed 75 and the smoke development index cannot exceed 8". - Answer--Foam plastic used for interior trim shall have a maximum thickness of 1/2" and a maximum width of 10%. - Answer--Foam plastic interior trim must not constitute more than __________ of the total wall and ceiling area of any room or space.
1/2". - 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. - Answer--Which of these inspections happens last? Mechanical rough Plumbing rough Framing Electrical rough Yes. - 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. - 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 - 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" - Answer--The nosing for stairs shall not be less than 3/4" but not be more than No. - Answer--A front porch is 25 inches above the grade below. Are guards required to be installed? False. - Answer--If a smoke alarm is in a bedroom, it doesn't need to be right outside the bedroom also. 1/2" - 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 - Answer--Finishing materials used for walls and ceiling shall have a flame-spread index not to exceed No. - Answer--Wood joists are 19" above exposed ground. Do they have to be preservative treated or naturally durable wood? True. - Answer--You may bulldoze, grade and remove tree stumps in a wetland as long as you have a permit.
True. - 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 - Answer--Scaling of concrete is caused by? True. - Answer--Concrete with larger aggregate will need less air entrainment. T or F Sand and water. - Answer--When air entrainment is used the amount of _________ in the mix is reduced. T or F Cool damp conditions. - Answer--Concrete cures best in? Once. - Answer--Transit mix concrete allows for water to be added to the mix ________ at the jobsite. Hydrolic cement or epoxy injection. - 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 - Answer--The best way to avoid moisture problems below grade is to: House wrap. - Answer--___________ allows water vapor molecules to pass through, while keeping out liquid rain water. Siding. - Answer--__________ is the first line of defense against moisture coming in contact with the wall framing, insulation and interior wall finishing. 6" - 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 - Answer--The minimum horizontal lap for fiber cement siding is U-factor. - Answer--The IECC defines _______ as: The rate at which a window, door, or skylight conducts non-solar heat flow True. - Answer--The lower the U-factor, the more energy efficient the window is. T or F Storm doors Hot tub enclosure
Unframed swinging doors - Answer--Which of the following areas require safety glazing? 30" - Answer--The International Residential Code requires a cricket or saddle built immediately upslope and behind any chimney wider than ______". 14 1/2 inches - Answer--What is the actual distance between studs that are placed at 16" O.C.? Moisture to escape. - 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. - Answer--The required slope for the grade around a home away from the foundation is least 5 % for the first 10 feet. Parking vehicles , building access or storage. - Answer--When building in a floodplain, enclosed areas below the design flood elevation will be used solely for True. - Answer--Increasing the weight of the plates on vibratory plate compactors is the best way to increase their efficiency. T or F True. - 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 - Answer--Special precautions should be taken with desirable trees on a building site to avoid injuring and even killing them such as: True. - Answer--The optimum moisture content for soil compaction will depend on the type of soil being compacted. Moisture content. - Answer--Proper _______________ is the most important factor in efficient soil compaction. Shoring up the side walls. - 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,
- the benching method and 3)___________________________________. 5 feet. - Answer--If an excavation is more than _____________, an adequate protective system from cave-ins must be utilized.
True. - 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. - 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. - Answer--A _________________ is a 12" high cone which determines the amount of water in the mix. 5% to 7% - Answer--In cases of severe cold weather exposure, the air content in a concrete mix should be about: Scale or spall. - Answer--If concrete is exposed to de-icers and it is not air entrained, it will: Scaling. - 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 - Answer--The maximum size aggregate is limited to the lesser of: 150 lbs. - Answer--How much does one cubic foot of concrete weigh? 28 days. - Answer--Concrete is considered to be fully cured or set after ______________days. True. - 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. - 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. - Answer--Concrete is made by mixing: Cause it to shrink more Weaken it Cause it to crack more - Answer--Adding too much water to a concrete mix will _______________ it. Screeding - Answer--_________________ concrete is the process of leveling the freshly poured concrete before it is floated.
True - 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. - Answer--On large areas, it may be necessary to use a __________________ to finish the surface area. Non-slip surface. - Answer--On sidewalk surfaces, it is necessary to broom the surface of concrete to provide a: Cure. - Answer--It is necessary to maintain the temperature above 50 degrees in order for concrete to properly: 2" - Answer--Welded wire mesh should be placed ___________ from the top of concrete slab surface. Efflorescence. - Answer--The white salty powder that forms on the finished surface of concrete is called Slab. - Answer--A concrete floor may also be called a: The top cures faster. - Answer--Concrete slabs on grade have a tendency to curl because: Power screed. - 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. - Answer--A control joint allows for what? To slow down the setting time of concrete. - Answer--What is the purpose of adding retarders to a concrete mixture? Water reducers. - Answer--What is added to make concrete more workable with less water? 10' - Answer--A one car driveway should have a minimum width of? 18' - Answer--A two car wide driveway is usually how wide? 3" - 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. - 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:
Stay-in-place forms. - Answer--Concrete slabs poured above grade are often supported by ribbed or corrugated steel decking. These forms are called False. - Answer--Rebar is placed in concrete mainly to improve its compression strength. T or F #16 gauge soft annealed. - Answer--What is the usual size of tie wire for rebar placement? Temperature reinforcement. - Answer--Reinforcing steel placed to resist the stresses due to shrinkage and weather changes is called 27 - Answer--Ready mix concrete is purchased by the cubic yard, which is how many cubic feet? The curing process. - Answer--The thermal process known as hydration refers to: Determining water mix in concrete. - Answer--A slump cone is a metal cone used for: Air entraining agents. - Answer--What admixture is used to improve the durability of concrete that is exposed to freezing and thawing? 6 inches. - 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 - Answer--MUEC True. - 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. - Answer--What are the three methods of heat transmission? Warm side in winter. - Answer--Where should a vapor barrier be placed on an exterior wall? An indication of a materials ability to reduce heat transmission. - Answer--What does R- value represent? True. - 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 - Answer--When crawl spaces are naturally ventilated a ventilation opening is required with ____ feet of each corner. R- 1 - Answer--Wood that is one inch in thickness has approximately what R-value? True. - 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. - Answer--When installing foam board sheathing using adhesives a solvent adhesive will damage the foam board. T or F True. - 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. - 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 - 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" - 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. - Answer--The air space between brick siding and the plywood sheathing should be: Weep holes. - 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. - Answer--Which brick pattern is the strongest? 2.67 - 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. - Answer--What ingredient, when increased in mortar, decreases strength but increases workability? Pilaster - Answer--A masonry column that is used to support other structural members is called:
3/8" to 1/2" - Answer--Other than the starting course, horizontal bed joints for masonry shall be: 32 - 3/8" x 40-3/8" - 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" - Answer--What is the actual size of a nominal 8" square glass block? 5/8" - Answer--Holes bored in a single stud in exterior walls and bearing walls shall not exceed 40% of the stud depth and not be closer than __________________ to the edge of the stud. joist, posts, girders and sills - Answer--Floor framing consists of: 10d nails, 32" o.c. - Answer--When making a wood girder using 2" lumber, you should use ______ nails for each layer and nails should be spaced ________ at tops and bottoms and staggered, with 2 nails at each end and at each splice. 20 lbs. - Answer--Roof assemblies subject to wind uplift pressures of ______ per square foot or greater require approved connectors between the top plate and rafter or truss. True - Answer--Walls can be braced with the materials that cover them as long as the material provides the structural strength. T F a load bearing wall - Answer--Where practical, an I-beam can be replaced in residential construction by: soleplate - Answer--The bottom horizontal member of a wall frame in platform construction is called a: top plate - Answer--The horizontal member located at the top of a wall frame is called: noncorrosive - Answer--The best type of nail to attach a 4 x 8 sheet of exterior plywood used as siding or soffit, above grade is: between the roof and chimney - Answer--A saddle is used: between the roof and a chimney - Answer--A cricket is used: bridging - Answer--Bracing which prevents joists from moving side to side is called: 45 - Answer--Diagonal bracing (corner or wind) is normally installed at a ______ degree angle.
crown up - Answer--Rafters and floor joists should be installed with the: sag - Answer--Deflection could be defined as: all TCTLB are installed and bearing attachments are made - Answer--A carpenter should never release the truss being installed from the lifting sling until_________. ground bracing - Answer--When preparing to set roof trusses, substantial ___________ of the first truss is critical for the proper installation and safety concerns of the project. corner brace - Answer--The diagonal member in a wall frame is a: veneer grade - Answer--The mark C-D stamped on a sheet of plywood refers to the: platform framing - Answer--The type of wall framing most often built on a horizontal surface and then tilted up is called: 3 - 16d nails, 16" o.c. - Answer--The required fastening for securing a sole plate to a joist or blocking at braced wall panels is: Easily adapted to prefabrication It does not require unusually long lengths of lumber On multi-story buildings, firestops are built into the construction - Answer--What would be an advantage of platform frame construction over balloon frame construction? lay out wall locations on the subfloor - Answer--The first step in wall framing is to: stud locations - Answer--When laying out the soleplate, lay out door and window openings, partitions and _______________. 32" roof sheathing and 16" subflooring - Answer--A sheet of plywood stamped 32/ has a maximum span of: 36" - Answer--The minimum hall width in a single family dwelling is: perpendicular to joists - Answer--Recommended installation of sheet subflooring over joists is: the top of the bridging is nailed before, and the bottom is nailed after the subfloor is nailed - Answer--When should bridging be installed? sill sealer - Answer--The material placed between the sill plate and the top of the foundation wall is called: 4' o.c.
