North Carolina Home Inspection Licensing Exam Study Guide 2024-2025. Questions & Ans. A+, Exams of Real Estate Management

Download North Carolina Home Inspection Licensing Exam Study Guide 2024-2025. Questions & Ans. A+ and more Exams Real Estate Management in PDF only on Docsity! North Carolina Home Inspection Licensing Exam Study Guide 2024-2025 Edition. Questions and Correct Answers. Graded A+ _____ flashing, which is at the bottom of a step flashing run, keeps water from getting under the siding. - ANSKickout (diverter) _____ is a moisture protection barrier that is installed on top of the roof sheathing prior to installing shingles. - ANSUnderlayment ______ flashing is always interwoven with each course of roof material, starting at the eaves (bottom roof edge) and working up. - ANSStep Flashing _______ are any material which allow its electrons to move through the material. - ANSConductors __________ ___________ means a space in a building for living, sleeping, eating or cooking. - ANSHabitable Space __________ ___________ means an inspection involving the use of measurements, instruments, testing, calculations, and other means to develop scientific or engineering findings, conclusions, and recommendations. - ANSTechnically Exhaustive __________ ___________ of an outlet may damage some types of equipment since it can cause the case or chassis frame to become charged with electrical current. - ANSReversed polarity ___________ ___________ means, for multiple identical components such as windows and electrical outlets, one such component per room; and, for multiple identical exterior components, one such component on each side of the building. - ANSRepresentative Number ___________ furnaces can produce sulfuric acid or hydrochloric acid in their condensation process. - ANSCondensing Furnace 1 PSI of pressure is equal to a column of water measuring ______ feet high - ANS2.31 3 Main type of Rafters? - ANSPurlins, Collar Tie, Knee Wall A _______ is required for a dishwasher to prevent a cross connection - ANSHigh Loop A 4 inch drain pipe needs how much pitch? _______ - ANS⅛" per foot A 50 gallon gas water heater will take care of a family of what size? - ANS8 People A chimney flue must be what fraction of a fireplace opening? - ANS1/10 A complete circuit must include a ______. - ANSLoad A double vent that is used to bring in exterior air for combustion and send the combustion products outside is called a ___________. - ANSConcentric Vent A gas water heater in a garage needs to be _______ inches off the ground - ANS18 Inches A heat pump should be tested in cooling mode only if the outside temperature is at or above what temperature? What is the temperature if it was in heat mode? - ANSAbove 60-65 degrees / Below 60-65 Degrees A Mansard style of roof is most likely to have leaks where? - ANSThe eyebrows A masonry fireplace requirement: an opening that is less than 6sqf than you need ______ on sides and ________ in front? - ANS8" / 16" A readily accessible and observable aspect of a system such as a floor or wall but not boards or nails? - ANSComponent A reasonable flow at the highest fixture in a dwelling when another fixture is open simultaneously? - ANSFunctional Flow A single wall vent from an oil furnace and a B-vent from a water heater are both running through a chimney chase that does not serve as a fireplace. How high must each be above the roof? - ANSOil is 2-2-10 , gas is 1-2-8, but since they are in a chimney it should be 3 feet about the roof (3-2-10) A spark arrestor on a chimney cap should have wire mesh that is no larger than _______. - ANS½" A sump pump continues to short cycle after a light rainstorm. What is the problem? - ANSThe shut-off switch is set too low A thermostat is a normal operating control AND a ______ _______ _______. - ANSAutomatic Safety Control A water heater should be set to ____ Fahrenheit to prevent scalding, if it is set above that temperature a ______ _______ should be installed. - ANS120 Fahrenheit, Temper Valve Every Home must have at least __ plumbing Vents extending through the roof by at least __ inches. - ANS1 and 6 inches Exterior service panels should have how much clearance from a wall? - ANS¼" gap behind the panel Fiberglass shingles are most likely to leak where? Asphalt shingles are most likely to leak where? - ANSValleys / Roof Penetrations Flat roofs often have a __________ wall along the perimeter and the top is covered by _______ - ANSParapet Wall / Coping Flexible appliance connectors can be maximum of ______ feet except _________ and ___________ can be ________ feet. - ANS3 Feet, Dryers and Ranges, 6 Feet Floor heaving along the outer wall is often a sign of ____________ - ANSFoundation Settlement Fog on glass can be a sign of what type of toxic gas? - ANSCarbon Monoxide For the GEC (Main Grounding Wire) 125 amp service or less use what size wire? ___________ 150 and 175 amp use what size wires? ______ _____ 200 amp uses what size wire? ____________ (For both copper and aluminum?) - ANS8 # / 6# - 6# / 4# - 4# / 2# Furnaces need ______ of clear space in front of the unit for servicing. - ANS30" Gas appliances require a ________ and _________ before the union. - ANSDrip leg and shut off valve GFCI's do what? - ANSGround fault circuit interrupter, they protect people from electrocution Graspable handrails are no more than ____ inches in diameter for round or _____ inches in cross section for all other shapes - ANS2, 2 ¼ Heat energy which changes the form of a substance without changing its temperature ______? - ANSLatent Heat Heat energy which changes the temperature of a substance without changing its form. I.e. heat energy to raise tap water to 212°F water. This is called what? - ANSSensible Heat Higher Amp circuits need thicker wire gage because more amps generate more _____. - ANSHeat Holes in an I-joist must have a minimum of _______ web material from the edge of the hole to the flanges. - ANS⅛" Houses are commonly built on what type of soil? - ANSClay How do you properly splice a cracked wood member? - ANSBy placing ½" plywood on both sides of the damaged wood at least two feet in either direction of the break. How many credit hours of continuing education are required each year? - ANS12 How many degrees difference is there between heat and emergency auxiliary heat on a heat pump thermostat? - ANS3 Degrees How many wires in a Three Phase service drop cable? - ANS4, (3) 120 volts and (1) neutral How much bearing do you need for a Joist? - ANS1 ½" or rim board, 3" on beam How much load (In PSF) is the bottom chord of a roof truss under in a inhabitable attic space (Could be finished into a room)? - ANS40 PSF How much should a lintel bear onto masonry? - ANS4" or 6" How much should an I-Joist bear on wood? And Masonry/concrete? - ANS1 ¾" / Cannot bear on Masonry/concrete If a pilot light gets extinguished on a gas water heater, how long after the pilot goes out does the gas automatically get shut off. - ANS50 seconds If you have a 8 gauge stranded aluminum cable running to a 40 amp breaker that goes to an electric stove and a 10 gauge single strand copper cable running to a 40 amp breaker that goes to the condenser unit, which one is wrong and how would you fix it? - ANSThe aluminum wire is too small for the breaker, it requires a 6 gauge wire In a complete circuit the ___ wire carries the current with no energy back to the source. - ANSNeutral In a gas fired furnace incomplete combustion will produce what? Hint: (A type of gas) - ANSCarbon Monoxide In the sub panel the grounding bus bar has been bonded to the neutral bus bar, this action is called what? - ANSParallel Paths Indoor staircases are required to have a three-way switch at the top and bottom if they have __ or more risers. - ANS6 Is a thermostat considered a normal operating control or a safety device? - ANSBoth It's 52 degrees outside. You approach a panel box in the basement of a 1972 house. You open the panel box door and all breakers are on, but there is no main breaker. You remove the cover. There's a 240 volt breaker pair going to a heat pump condenser/compressor, a tankless water heater, range in the kitchen and clothes dryer. There are (2) 120 volt breakers for basement lights and (2) 120 volt breakers for main floor lights. The GEC is running to an underground water pipe 8 ft from the pipe's entrance to the basement. What 3 items do you report? - ANSCan't test the heat pump in cooling mode, maximum number of breakers exceeds allowable 6 throw without main shutoff, GEC to attach to pipe within 5 feet of building entrance Licensure board has to meet ____ times per year. - ANS6 LP Gas is the same as _____. - ANSPropane Max exposure of single coarse wood shake is _______ inches. - ANS11 1/2 Maximum notch at the end of a solid wood joist is _______ of the depth. - ANS¼ Mid-Efficiency forced air furnaces achieve what percentage range of efficiency? - ANS80-83% Minimum ceiling height for habitable rooms is ____ feet. - ANS7 ft Minimum height a kitchen cabinet can be over a stove is ____ inches. - ANS30" Minimum size for the bathroom drain fixtures? - ANS1 ¼ in Most electric hot water heaters have ______ anode rods to protect exposed steel around the tappings inside the tank. - ANSMagnesium Must have a union fitting on all pipes within __ feet of the water heater? - ANS5 ft Name 4 components to a circulating boiler other than a tridicator and a circulating pump - ANSCompression Tank, Backflow Preventer, Pressure Relief Valve, Pressure Reducing Valve Name 4 types of flashing other than plumbing vent flashing (boots) - ANSStep flashing, counter flashing, headwall flashing, drip edge flashing Name 6 kitchen appliances an inspector must observe and operate. - ANSDishwasher, range/oven, trash compactor, garbage disposal, hood vent, microwave oven (permanently installed) The most common gutter defect? - ANSLeaking at joints / seams The most common seam used on a metal roof is the ___________. - ANSStanding Seam The most important part of a truss? - ANSGusset Plate The name of the pan located under the evaporator coil of an air conditioner unit is called what? - ANSCondensate Collection Pan The neutral wire has the same _____ as the black/hot wire but does not have the ____ to shock you. - ANSAmps / Energy The pressure behind electrical current is _____. - ANSVolts The rate of work or power is known as _____ . - ANSWatts The resistance to current flow is known as ______. - ANSOhms The service drop cable running over a 4:12 or greater pitch roof has to be ____ over the ridge. - ANS3' The term __________ refers to air needed for the safe operation of all fuel burning appliances. - ANSCombustion Air The term __________ refers to the replacement of air for all appliances. - ANSMake-Up Air The top part of the chimney is called what? - ANSCrown The trash compactor is hooked into the plumbing drain line in the kitchen. In relation to the P-trap, where should this line be connected? - ANSSink side (above/before the P- trap) There are basically two types of central air-conditioning systems used in residential structures: split systems and _______ systems. - ANSIntegral There is a "B" Vent on the ridge of a 5:12 pitch roof that has a plumbing vent that is 9 feet away. How tall should the "B" vent be? - ANS12" To safely transfer the combined weight of the occupants furnishings and the house itself to stable ground? - ANSStructural Goal Two things whirlpool tubs require are ________ and _________ - ANSPump Access Panel and GFCI Vapor barriers should be installed against the _____ wall or ceiling surface to help prevent migration of moisture into the insulation. - ANSHeated, but really conditioned Weather deck is the material placed under what type of roof? - ANSWood Shingles Weep holes in brick siding to be spaced no more than ____ inches apart. - ANS33" or 48" What 3 main types of foundations? - ANSBasement, Crawl Space, Slab What are 3 types of valleys? - ANSOpen, Cut, Woven What are the three types of ignition systems on a gas furnace? - ANSDirect Ignition, Intermittent What are three ways heat is transferred? - ANSradiation, conduction, convection What components make up an A/C unit and where are they located? - ANSCondenser Outside / Evaporator Coil Inside What data is required by the SOP when inspecting a central A/C unit? - ANSMax Breaker, Tonnage, Age What determines the size of a TPR valve? - ANSAmount of BTUs What determines the size of your roof gutters? - ANSThe average yearly rainfall in your area What device is present on a heat pump but not on an A/C unit? - ANSReversing Valve What does SEER stand for? - ANSSeasonal Energy Efficiency Ratio What does the R-Value mean in attic Insulation? - ANSResistant What form of insurance is a home inspector required to have? - ANSGeneral Liability What four elements must be presented in an electrical service equipment? - ANS What is an A/C measured in? - ANSTonnage What is an I-joist minimum support at a beam? ________. - ANS3 ½" What is an Interlock switch in relation to an A/C or a furnace? - ANSTrigger on the blower compartment that automatically turns off the fan. What is heat measured in? - ANSBTU / British Thermal Units What is it called when a refrigerant absorbs heat when changing from a liquid to a gas? Also, does it happen inside or outside? - ANSEndothermic / Inside What is it called when a refrigerant releases heat when changing from a gas to a liquid? Also, does it happen inside or outside? - ANSExothermic / Outside What is it called when the ceiling lifts up away from the walls inside a house? - ANSTruss Uplift What is it called when the outside temperature at which capacity of the heat pump matches building heat loss? - ANSBalance Point What is more likely to cause injury to your client: Uneven stair tread risers or interior stairs with no hand rails? - ANSNo Hand Rails What is needed if you don't find a vent stack protruding a roof? ___________ - ANSAir Admittance Valve What is required on a high side of a chimney 30" or larger? - ANSCricket What is the average natural gas pressure? - ANS2 PSI What is the charge for violating the provisions of the Home Inspector Licensure Act? - ANSClass 2 Misdemeanor What is the composition of the Home Inspection Licensure Board? Number of members and their position/profession? - ANS8 members, 4 home inspectors, 1 realtor, 1 contractor, 1 DOI appointee, 1 member of the public What is the distance requirement for tempered windows that are in a bathroom/stairway or doorway? ___inches above a tub. ____ inches above a stair landing. ____ inches on either side of a door. - ANS60" above a tub, 36" above a stair landing, 24" on either side of a door What is the formula for Ohm's Law? - ANSAmps x Volts = Watts What is the key factor of geothermal heat pumps? - ANSGround Loops What is the lifespan on cedar shingles ________ and cedar shakes _________ - ANS10-25 yrs / 20-40 yrs What is the limit of maximum size holes per span on an I-joist? - ANS3 Maximum size holes Which line of the A/C unit has to be insulated through its entire length? - ANSSuction Line Which shingle typically lasts the longest if installed correctly, and which part of this shingle typically fails first? - ANSSlate Shingles / the nails While inspecting a basement you find large amounts of rust on the steel columns, this would indicate what? - ANSLong-term moisture or water problem in the area While walking on a roof, you notice that the shingles in the valley are splitting while the rest of the roof is in great condition. What is the most common cause of valley shingles splitting - ANSWhen the valley shingles were installed they were nailed too tightly With a vapor Barrier there should be __ Sqft per __ of attic Space? - ANS1 sq ft per 300 Sq ft You are inspecting a 1978 house and notice that there is a slight dipping of the sheathing between the roof trusses. What is the cause of this? The trusses are properly installed, and the roof has it's original sheathing. - ANS⅜" plywood (it's too thin to bear the weight properly.) You are inspecting a 25 year old roof that has cedar shakes, the full length of the shake is 24", how much of the cedar shake can be exposed? - ANS8" / ⅓ of the shingle You are inspecting a building with a flat-roof, which has a gas vent pipe penetrating the roof. This flat roof also has a roof-top patio, how high should the top of the gas vent pipe be above the flat roof? - ANS7 feet tall You are inspecting a home in December that has architectural shingles and notice ice damming around the eaves and gutters of the roof, what are two things that could cause this? - ANSLack of ventilation and Lack of Insulation in the attic You are inspecting a home that has a gas dryer, the gas dryer has a brass appliance connector that is six feet long, it also has a gas shut off valve and a union. What are you reporting to the client? - ANSBrass appliance connectors are not proper, you should recommend immediate review by a qualified heating contractor You enter an attic of a 1960's ranch home on the West side of the structure through an access hatch. A low efficiency furnace is on the East side of the home. The roof is framed with collar ties. You must use the collar ties like monkey bars to get to the furnace 30 feet away and land on a 30" x 30" platform. The flame burns orange. What 4 items are you writing up? - ANSLow efficiency furnace past expected life span, no walkway, unit too far from access hatch, cracked heat exchanger You find white chalky deposits on masonry and concrete due to chronic moisture. What is this called? - ANSEfflorescence You have a gas furnace in a closet off a hallway. On the door are 2 openings. The furnace is 10,000 BTUs. How many total square inches of opening must you have (2 openings added together)? Where must the 2 openings be placed on the door? - ANSBoth most be 10 Sq inches, one must within be 12 inches from the floor and the must within be 12 inches from the ceiling You see a CSST line in the kitchen hooked to the gas stove. What does CSST stand for? - ANSCorrugated stainless steel tubing You test an outlet in the kitchen with your outlet tester. The outlet shows proper grounding but the outlet will not trip when you try to reset the GFCI. What could be the issue? - ANSFalse ground/ Boot leg ground You're inspecting a heat pump in the wintertime: You go outside and observe an ice formation on the condenser coils after running it. What is wrong with the unit? - ANSThe defrost cycle isn't functioning properly You're inspecting an older home and you find the furnace has no fan, only an opening to allow air to flow in. What type of furnace is this and how efficient is it? Also, what is the opening called? - ANSNatural Draft furnace, 60-65% efficient, Draft Diverter