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TEXAS HOME INSPECTOR LICENSE EXAM
QUESTIONS AND CORRECT ANSWERS
(VERIFIED ANSWERS) PLUS RATIONALES
- What is the primary purpose of a home inspection? To provide a professional opinion on the condition of a property The home inspection identifies visible defects and provides an objective evaluation, but it is not a guarantee or warranty.
- When inspecting a roof, what should be checked for? Signs of damage such as missing shingles, leaks, and proper flashing Roof inspections focus on the integrity of roofing materials and areas prone to water intrusion.
- Which of the following is NOT typically included in a standard home inspection? Testing for asbestos or radon Standard home inspections usually do not include hazardous material testing unless specifically contracted.
- What is the recommended minimum clearance between soil and wood siding? 6 inches This clearance prevents moisture wicking and wood rot.
- How should a home inspector handle inaccessible areas during an inspection? Note them in the report and explain why they were inaccessible Transparency about inaccessible areas is important for clarity and liability.
- What type of electrical outlet is required in kitchens according to modern codes? GFCI (Ground Fault Circuit Interrupter) outlets GFCI outlets help prevent electrical shocks in wet areas.
- What is the main function of flashing around windows and doors? To prevent water intrusion Proper flashing directs water away from vulnerable areas.
- When inspecting HVAC systems, what is a key component to check? The condition and cleanliness of filters Clean filters ensure proper airflow and system efficiency.
- What tool is commonly used to check moisture levels in wood? Moisture meter Detecting moisture can indicate leaks or potential mold problems. 10.What is the typical slope required for exterior grading away from a foundation?
17.What is the purpose of a home inspection agreement? To outline the scope, limitations, and terms of the inspection It protects both inspector and client by setting clear expectations. 18.What is a common cause of uneven floors in homes? Foundation settling or structural issues Uneven floors often indicate potential structural problems. 19.What does an AFCI breaker protect against? Arc faults that can cause electrical fires AFCI breakers detect electrical arcs and interrupt power to prevent fires. 20.What is the maximum allowed gap for stair risers? No open gaps larger than 4 inches This prevents small children from falling through. 21.What type of insulation is commonly found in attics? Fiberglass batt or blown-in cellulose Both are effective and widely used for attic insulation. 22.What is the minimum width for an egress window in a bedroom? 5.7 square feet of net clear opening Egress windows provide emergency exit routes. 23.What should a home inspector do if they discover mold during the inspection? Note the presence and recommend further evaluation by a specialist Home inspectors are not mold remediation experts.
24.What is a key sign of roof leaks inside a home? Water stains on ceilings or walls These stains often indicate water intrusion. 25.When inspecting a chimney, what is important to check? Structural integrity, proper flashing, and signs of creosote buildup These factors affect safety and function. 26.What is the minimum number of plumbing fixtures required in a single- family home? One kitchen sink, one bathroom sink, one toilet, and one bathtub or shower This is the basic plumbing requirement for habitability. 27.What is the purpose of a sump pump in a basement? To remove water that accumulates in the sump basin It helps prevent basement flooding. 28.Which part of the electrical system should be inspected for proper grounding? The main electrical panel Proper grounding reduces risk of electrical shock. 29.How can a home inspector safely inspect a gas appliance? Visually inspect for leaks and proper venting, but do not operate gas appliances Operation of gas appliances is usually outside standard inspection scope.
37.What should be inspected regarding gutters? Proper attachment, drainage, and absence of blockages Functional gutters protect the foundation and landscaping. 38.What is the purpose of a vapor barrier in a crawlspace? To reduce moisture transmission from the ground This helps prevent mold and wood rot. 39.What does a negative slope towards a foundation indicate? Potential water drainage problems leading to foundation damage Water pooling near the foundation is harmful. 40.What safety equipment should a home inspector use when entering attics or crawlspaces? Protective gloves, dust mask, and a hard hat Personal protective equipment reduces risk of injury and exposure. 41.How can a home inspector identify potential pest infestations? Look for droppings, damage, nests, or tracks Signs of pests are important to note in reports. 42.What is the typical lifespan of asphalt shingle roofing? 15 to 30 years Lifespan depends on quality and maintenance. 43.What is the function of the main water shutoff valve? To stop water flow into the home in emergencies Knowing its location is essential for safety.
44.What type of foundation is common in Texas homes? Slab-on-grade foundations Many Texas homes are built on concrete slabs. 45.Why is it important to check for GFCI outlets in bathrooms? They protect against electrical shock in wet areas Bathrooms are high-risk areas for electrical hazards. 46.What is the standard height for kitchen countertops? 36 inches This height is ergonomic for most users. 47.What does the term "load-bearing wall" mean? A wall that supports structural weight from above Removing load-bearing walls without proper support can cause collapse. 48.When should a home inspector recommend further evaluation by a structural engineer? When significant foundation or structural issues are suspected Engineers provide detailed analysis beyond the inspection scope. 49.What is the maximum allowed spacing between floor joists? Typically 16 inches on center Spacing affects floor strength and support. 50.What does a GFCI outlet look like? It has “Test” and “Reset” buttons on the outlet face These buttons allow testing and resetting of the outlet.
58.What is the minimum insulation R-value recommended for walls in Texas? R-13 to R- 15 This provides adequate thermal resistance for the climate. 59.What is the primary cause of ice dams on roofs? Poor attic insulation and ventilation causing uneven roof temperature Ice dams form when warm roof areas melt snow that refreezes at the eaves. 60.How should a home inspector test for plumbing leaks? Check under sinks, around toilets, and at visible pipes for moisture Visual and tactile inspection helps detect leaks. 61.What is the maximum travel distance allowed to a smoke detector in sleeping areas? No more than 30 feet from any point in the sleeping area This ensures early warning in case of fire. 62.What does the term "efflorescence" mean when inspecting masonry? White, powdery salt deposits on masonry surfaces It indicates moisture migration through the material. 63.What is the purpose of an attic ventilation system? To remove moisture and heat to prolong roof life Proper ventilation prevents mold and material degradation. 64.How should a home inspector evaluate wood decks? Check for rot, structural support, and secure connections Safety and stability are the primary concerns.
65.What is the typical height requirement for guardrails on decks and balconies? At least 36 inches This height prevents accidental falls. 66.What is the primary reason for checking the condition of caulking around tubs and showers? To prevent water leaks and mold growth Damaged caulking allows water to penetrate walls and floors. 67.When inspecting flooring, what condition is a red flag? Significant warping or soft spots These may indicate water damage or structural issues. 68.What should a home inspector look for when evaluating attic insulation? Adequate depth, proper coverage, and no compression Proper insulation improves energy efficiency. 69.What is a common sign of termite damage? Mud tubes on foundation walls and damaged wood Termites build mud tubes for protection while feeding on wood. 70.What is the minimum size of a window in a basement egress? 5.7 square feet of net clear opening Ensures a safe exit in emergencies. 71.How should an inspector evaluate a septic system during a home inspection? Visual inspection of components and recommend a professional
79.What is the main cause of mold growth in homes? Excess moisture or water intrusion Mold thrives in damp environments. 80.What is the proper way to inspect a fireplace damper? Check operation and ensure it seals tightly when closed A functional damper prevents heat loss and drafts. 81.What is the minimum thickness for concrete slabs in residential construction? 4 inches This thickness provides adequate support. 82.What is the typical lifespan of a sump pump? 7 to 10 years Lifespan varies based on usage and maintenance. 83.What is the primary concern when inspecting aluminum siding? Signs of dents, corrosion, or loose panels Damaged siding compromises protection. 84.What is the maximum spacing allowed for chimney cleanout doors? Not more than 3 feet from the base Allows access for maintenance. 85.What type of insulation is NOT recommended for use near recessed lighting fixtures? Foil-backed or reflective insulation without proper clearance Improper insulation near lights can be a fire hazard.
86.What is the function of a pressure relief valve on a water heater? To release excess pressure and prevent explosions This valve is a critical safety component. 87.What is a sign that a window’s seal has failed? Condensation or fogging between glass panes This indicates loss of insulating gas. 88.What is the minimum distance between a gas meter and an ignition source? At least 10 feet Prevents fire or explosion hazards. 89.When inspecting a pool, what should be checked? Proper fencing, functioning pump, and safety covers Safety and operational standards are critical. 90.What is the minimum width of a hallway in a residential home? 36 inches Ensures comfortable and safe passage. 91.What type of damage can poor grading cause? Foundation cracks and basement leaks Improper drainage damages structural components. 92.What is the purpose of a chimney cap? To prevent debris and animals from entering Protects chimney integrity.
- What is the primary function of vapor barriers in walls? To prevent moisture migration and condensation Helps avoid mold and structural damage.
- When inspecting doors, what defect indicates potential foundation movement? Doors that do not latch or stick Foundation shifts can affect door alignment.
- How often should smoke detectors be replaced? Every 10 years Detectors lose effectiveness over time.
- What is the function of a pressure tank in a well water system? To regulate water pressure and reduce pump cycling Maintains consistent water flow.
- What should be checked regarding exterior paint? Signs of peeling, cracking, and mildew Paint protects surfaces from moisture damage.
- What is the minimum height for a guardrail on stairs? 34 inches Ensures safety on stairways.
- What is a common cause of wet basements? Poor drainage and high groundwater levels Addressing drainage prevents water intrusion.
- What is the function of a GFCI outlet? To quickly cut off power when a ground fault is detected Prevents electric shock.
- What is the minimum size for a water heater temperature and pressure relief valve discharge pipe? 3/4 inch diameter Ensures safe release of pressure.
- How can an inspector identify asbestos-containing materials? Only through lab testing or licensed asbestos inspectors Visual inspection is not reliable for asbestos.
- What is the purpose of checking attic access? To ensure safe and adequate access for inspection and maintenance Limited access can restrict inspection quality.
- What is the typical depth for frost lines in Texas? Generally less than 12 inches Texas’s mild climate reduces frost depth.
- What is the purpose of chimney flashing? To seal the gap between the chimney and roof to prevent leaks Proper flashing prevents water intrusion.
- When inspecting exterior stairs, what is a safety concern? Loose or rotted treads Compromised stairs can cause falls.
- What is the proper way to inspect basement walls? Check for cracks, moisture, and efflorescence Indicates water intrusion and structural issues.
- What is the maximum recommended length for a water supply line without support? 4 feet Proper support prevents leaks and damage.
- What is the acceptable air gap for a kitchen faucet? At least 1 inch Prevents backflow contamination.
- When inspecting a pool, what is critical for safety? Proper fencing with self-closing gates Prevents accidental drowning.
- What is the minimum clearance between the top of a handrail and the wall? 1.5 inches Allows proper grip.
- How should an inspector evaluate moisture intrusion in a crawlspace? Check vapor barrier, drainage, and ventilation Moisture control is key to crawlspace health.
- What is the standard voltage for most residential circuits? 120 volts Used for common household outlets.
- What is the primary function of a sump pit? To collect water before pumping it out Prevents flooding.
- How often should HVAC filters be replaced? Every 1 to 3 months Keeps the system clean and efficient.
- What does the term “Rafter Tails” refer to? The ends of roof rafters extending beyond the walls Proper condition prevents water damage.
- What should be checked on a garage door during inspection? Proper operation, balance, and safety reverse mechanism Ensures safety and function.
- What is the minimum clearance required for an electrical panel from combustibles? 3 feet clearance for working space Allows safe access.
- What is a sign of poor drainage around a foundation? Pooling water and soggy soil Can lead to foundation damage.
- What is the maximum height for a stair riser? 7.75 inches Ensures safe stair use.
