AHIT 2024 Property and Building Inspection Module I (Answered 100% Correctly), Exams of Physics

Download AHIT 2024 Property and Building Inspection Module I (Answered 100% Correctly) and more Exams Physics in PDF only on Docsity! AHIT 40 Hour Property and Building Inspection Module 1 SITE CONDITIONS (Questions and Answers, 100% Correct) 2024 AHIT 2024 Property and Building Inspection Module I (Answered 100% Correctly) Optimum moisture content shows the min soil moisture changes True The Min swelling pressure of concrete is ____ psi? 3,000 Foundation/Footing drains are installed at what depth? at or below area to be protected a guideline for the appropriate slope of a lot away from a house is six inches over ten feet a low depression used in the soil for drainage Swale Briefly state the function of gutters and downspouts gutters and downspouts carry water from the roof away from the building, protecting the cladding system and the foundation why shouldn't you align a beam with a gutter to check for sag? Gutters slope so they always look off level why are porous materials near a house a potential problem? the earth below them may be impervious, and slope toward the house which of the following is an implication of improper lot grading foundation damage What is a finishing grading practice? Sand mixed with top soil What is a common problem with grading? steep slope The min. swelling pressure of expansive soil is ____ psi? 5,000 All of the following are common problems with walks and driveways EXCEPT control joints Dramatic slope is likely less important if the ground surface is: sand or asphalt? Asphalt, True What are the risks associated with an improperly draining walkway? Moss or ice, which are trip hazards. Surface damage of the material itself, and water penetration into the building if the surface is against the house How might paint indicate that a beam has slipped out of its pocket? Indicate where the air/vapor barrier should be located in the wall assembly in a hot, humid climate. outer part of the wall, or not at all the primary function of insulation is to control heat loss true List 4 common forms that insulation materials may be found in. loose fill, batts or blankets, rigid boards, foamed in place. what are 3 common problems with caulking, trim, and flashings missing flashings, ineffective or incomplete flashings, caulking missing or ineffective Rusting steel lintels over windows cause what kind of masonry crack patterns? horizontal cracks usually radiating out from the corners of the window. occasionally there are vertical cracks over the corners of the windows briefly describe the functions of arches and headers arches and headers transfer dead and live loads above and around openings End bearing for headers in wood frame walls should be at least ______ inches. one and one-half inches Rammed earth walls are built by compacting a soil-cement mixture in a forming system. true This mixture is placed in forms in _______ inches thick layers which are compacted into _______ inches thick layers. 8, 5 Straw bale construction uses baled straw from wheat, oats, barley, rye, rice, and others in walls covered by stucco. true ICF stands for Insulating Concrete Forms ICFs have a layer of concrete sandwiched between three layers of foam insulation, usually EPS (expanded polystyrene) true The foam insulation in ICF's gives them a high R-value without the need for a vapor barrier depending on local code. true SIP's stands for Structural Insulated Panels. True or false. TRUE SIP's have two layers of foam insulation - usually closed-cell spray foam- sandwiched between two layers of building materials. True or false. False SIP's are more expensive than the cost of materials for a comparable framed house. True or false. True Name 1 engineered wood product that may replace conventional joists. Wood I-joists Wood I beams/ joists have flanges (top and bottom pieces ) of conventional or laminated veneer lumber and webs (horizontal middle piece) of plywood or oriented strand bead (OSB) TRUE OR FALSE FALSE Wood siding should be? At least 6 inches above grade What are 2 functions of walls Transferring live and dead loads to the flooring or foundation system and accommodate thermal insulation. With steel framing materials it's important to be aware of the variety and applications of the various shapes, encapsulated by the acronym STUFL. True in steel framing Track is the top and bottom plates of a steel wall True Walls have several functions including resisting racking forces. Greater slopes equal what to shingles? Increased life What are three parts of an asphalt shingle? Base, asphalt/coating, granules Glass fiber mats were used in asphalt shingles as early as the __________'s and are the most common base material in shingles today. 1960 There were less performance issues related to glass fibers, such as cracking and breaking early in their life. False What are the common failure modes for wood shingles? Curling, Cupping, splitting What is Slate ? Is a natural product and lasts longer than asphalt shingles. How do clay tiles fail? Cracking or spalling What general shapes are clay tiles likely to be? flat or curved Which roofing material commonly imitates clay? concrete Should inspectors walk on concrete roofs? No Asbestos cement shingles should be removed from homes. False Fiber-cement shingles contain some of the same components as concrete tiles. True or False? True On what type of roof covering might you find a standing system? Metal How are metal roofs attached to the home? Nails, screws or clips Roll roofing is commonly used in what flashing detail? Valley flashing An inspector should not walk on a roof if? If it could cause damage or is unsafe Why is it often difficult to identify flaws in the membrane of a built-up roof? The Gravel coating conceals the membrane What are three common problems you'll find on modified bitumen roofs. Don't count installation problems. Old, Openings at seams and flashings. What are three common installation mistakes on modified bitumen roofing seams facing up the slope, inadequate overlap of seams, End seams not staggered Modified Bitumen (or mod bit, as it is often called) is an alternative to build up roofs? True For an EPDM single-ply roof, what is the typical flashing material? EPDM EPDM is a kind of rubber The most common sources of failure on EPDM roofs are_________ and flashings seams PVC roof covering is not commonly found on residential roofs? True Plastic PVC roof covering is a triple-ply membrane. T/F False TPO is a plastic-based material? True Splash blocks or downspout extensions should discharge water at least _____ feet away from the foundation. 5 feet Shrinkage cracks are usually more then 1/8 inch wide Caused by natural curing of concrete. Shrinkage crack patterns in concrete floors are usually: Random Cracks due to horizontal forces are usually accompanied by bowing and bulging What are four causes of cracks in foundations walls ______. shrinkage, differential settling, heaving, horizontal forces What is 'lateral support' as it applies to foundations? Lateral support is usually a floor system secured to the top of a foundation wall, preventing it from tipping inward. Which is stronger, a poured concrete wall or concrete block wall of the same dimensions? A poured concrete wall What is the name of an engineered wood product used for beams. Glue-Laminated Lumber (Glulam) A notch cut in the bottom edge of a beam is more likely to result in failure then one cut in the top edge, although as a general rule, notches and holes should not be cut in beams. True Beams require _________ inches of solid bearing at each support point if resting on concrete or masonry, and _____ inches if resting on wood or metal. 3, 1 1/2 Beams rely on at least ______ inches of end bearing on concrete or masonry structures 3 inches The function of joists is to ________. Transfer dead loads to foundations Sub-floors act like: _________. joists and beams Columns transfer live and dead loads from what From beams to footings Beams rest on __________ Foundations and Columns (both a and b) Fire stopping ______ Should be provided at every floor level In platform construction, walls sit on the subfloor True The lack of fire stopping is not more prevalent in balloon frame construction than platform framing. False Balloon frame wall construction is continuous from the foundation up to the roof. True In balloon frame construction, you should be able to see from one floor level to the next False Missing fire stopping: is more common on balloon frame than platform construction is a fire hazard is tough to see on most inspections. What are 3 common problems with caulking, trim and flashing? Missing flashing, ineffective or incomplete flashing, caulking missing or ineffective. What is one common column problem? Settled A wood sill is typically used to connect the top of the foundation to the wood floor system above. True Planking, Plywood and Wafer board Sub floors act like: Joist and beams At the top and bottom edges of sheathing, support may be provided by ______ clips. H clips Rafter ties must be spaced no more than 4 ft on center Joists see vertical loads only. True or False? False Roughly how far can these common joists span if spaced 16 inches apart? 2x8,2x10,2x12 the function of joists is to transfer live loads to beams what is the main function of intermediate support/collar tie? intermediate support/collar ties help prevent rafter sag what is the difference between a knee wall and a purlin? Knee walls and purlins both provide midpoint support for rafters. knee walls provide their support by transferring the loads down to ceiling joists and walls or beams below. purlins act as beams running along the underside of rafters. Knee walls are also called dwarf walls, struts, or strong backs. True or False. true Purlins are 2 x 4 or 2 x 6 typically. True or False true the purlin should be the same size as the ridge false. an inspector can think of purlins as small beams that run under the midpoint of all rafters true Does a roof truss support long ceiling spans Yes What is the purpose of a roof truss system? (d) A triangular structure used to support a roof which is a member of a truss system? web Name 2 engineered wood products that may replace conventional joists. Trusses, wood I- joists. How does a ledge board support joists? The ledger board is fastened to the beam near the bottom and the joists rests on top of the ledger board. Common attic access hatch problems include all the following EXCEPT. oversized. How might you tell the difference between roof sheathing sag and rafter sag from the exterior of the house? Sheathing sag is a repetitive pattern across the roof between rafters, trusses or roof joists. sagging rafters cause a dishing in the entire roof surface and/or a sag at the ridge. Interior wall cracks radiating up from the tops of windows may mean: sagging lintels foundation settlement over-spanning joists a lack of wall sheathing shrinkage of framing members What are 2 general wall problems? Water damage, cracks Ceiling joists are often not continuous from one side of the building to the other. In this case they are spliced over a central bearing wall. Why do they have to be securely tied together? Ceiling joists help prevent rafters and the tops of the walls from being pushed outward by live loads on the roof. Garage door operators must have safety provisions which ________ direction of travel if there is an obstruction in the path of the closing door. Automatically reverses an inspector should check for the presence and proper operation of the door release catch and pull cord, intended to allow quick, _______ of the door from the mechanized traveler in the event of power failterm-5ure, malfunction, or emergency. manual operation The inspector should never attempt to operate the _________ before carefully checking the condition of the door panels, locks, and hardware. automatic opener Installed cabinets are within the scope of a home inspection True Cabinets should be secured with screws that have an enlarged head of be installed with a button cap or washer to distribute load. True Home inspectors are required to check cabinets for level and plumb False A popular bathroom countertop that is not used in the kitchen is cultured marble True The backsplash is the area between the countertop and the floor False Countertops usually should not be cantilevered more than about ______ inches without support under the countertop. 12 inches A reliable _____ connection for purposes of a smart home is usually defined as a high-speed _____ connection. Internet, broadband A smart home is one that is equipped with network- connected products? True Inspection of smart home devices and wiring is out of scope of a home inspection. True The home inspector who attempts to inspect or to operate smart devices faces challenges and assume risks True A plug-in cord serving a built-in dishwasher must be Between 36 and 48 inches in length. When inspecting the food waste disposer the unit should: be Securely mounted A difference between a gas range and an electric range is that electric ranges_______. Require a 240-volt electrical supply All modern food waste disposers: are of the continuous feed or batch type Before operating a microwave oven, what items of the microwave should you check first? Broken door hinges, seals and broken glass; Damaged case (interior &exterior); Outlet not grounded. (all of the above) Gas fired bathroom heaters _______. are not ? Are not normally operated for inspection. What should you check when inspecting a central vacuum? Vacuum grounded, No water in dust bag, check each outlet for proper operation (all of the above) If inspecting a trash compactor, it is important to observe the function _______. ram plate The inspector shall report as deficient any water leaks in a dishwasher True Gas stovetop burners with electronic ignition which fail to light consistently 12" What are characteristics of a good chimney? Should adequately remove combustion products from the house. Should prevent poison gases from entering the house. How far should a chimney extended above the roof line? 3 feet min and 2 feet above anything within 10 feet horizontally How far should wood framing members be kept away from masonry chimneys? minimum 2 inches What part of metal chimneys often rust? (Give the location.) above the roof line What is creosote? Tar-like by product of incomplete combustion. Glass doors and outdoor combustion air for fireplaces are intended to: Reduce the amount of house air that is drawn into the fireplace All of the following are basic components of a masonry wood-burning fireplace EXCEPT a heat circulator Generally speaking, how far should wood framing members be kept away from masonry chimneys Minimum 2 inches How many wood burning fireplaces can share a single flue, as long as they are on the same floor level? None B vents are typically used for what fuels Natural gas and propane A masonry chimney serving a wood fireplace should be at least _______. 12 feet looking up from the basement around a metal chimney for a wood-burning fireplace, you should see ________. A metal fire stop spacer All of the following are common problems with masonry chimneys EXCEPT Not continuous through roof