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C module 2 home insp
| Question | Answer |
|---|---|
| The recommended order for inspecting plumbing supply piping is | materials and proper usage, proper installation and support, condition of exposed piping, with the last being presence of cross connections. |
| Plumbing vents should terminate _____ away and at least _ feet above any operable window and _ away from any wall. | 10 feet, 2 feet, 1 foot |
| For hot water heaters that use oil for fuel, a single wall vent requires __ inches clearance to combustibles, and a double wall L-vent requires _____ clearance to combustibles. | 9, 3 |
| Hot water heater temperature and pressure relief (TPR) must be properly rated and piped. The valve must be rated at a maximum of _________ and 150 pounds per square inch. | 210 degrees |
| Hot water heater temperature and pressure relief (TPR) must be properly rated and piped. The valve must be rated at a maximum of 210 degrees Fahrenheit and _______ per square inch. | 150 pounds |
| Propane tanks ______ gallons must be a minimum of 10 feet away from the house. | 125 to 500 |
| Propane tanks less than _____ gallons should be a minimum of 5 feet away from the house. | 125 |
| High recovery gas or propane water heating units operating at __________ requires 5 to 6 times more than a conventional storge tank unit. | 50,000 BTUs |
| For a ¾ HP motor rating what is the corresponding wattage? | 559 wattage |
| For mechanical air filtration, the Minimum Efficiency Reporting Values (MERV) rating relates to the filter’s ability to capture larger particulates between 0.3 microns and ________. | 10 microns |
| According to the US Department of Energy, HEPA filters can “theoretically” remove at least _____ of dust, pollen, mold, bacteria, and any airborne particles with a size of 0.3 microns or larger. | 99.97% |
| ASHRA say that the living area of a home should be ventilated at a rate of ____ air change per hour. Depending on the climate, that is a complete change of air about every three hours. | 0.35 |
| For the formula used to establish a water budget for irrigation systems, MAWA = ETo x AF X LA X 0.62, the ETo adjustment factor varies, but is commonly __. | 0.8 or 1.0 |
| For irrigation control systems, pressure regulators are often needed to reduce water supply line pressure for proper irrigation system operation. Sprinkler systems run at pressures ranging from _____ to __ PSI depending on the type of system used. | 25 to 85 psi |
| A common uniformity statistic used to calculate distribution uniformity (DU) uses approximately _____ measurements, the low quarter or 25% of the (LQ) for the 5 smallest measurements calculated as DU = 100 x (Average of the LQ/Average of All). | 20 |
| A common uniformity statistic used to calculate distribution uniformity (DU) uses approximately 20 measurements, the low quarter or 25% of the (LQ) for the __ smallest measurements calculated as DU = 100 x (Average of the LQ/Average of All). | 5 |
| Which formula(s) is/are correct for measuring the volume of water, in gallons, inside a pool or spa? | Length x width x average depth x 7.5 = Volume (gallons) and pi x r2 x average depth x 7.5 = Volume (gallons) |
| What are skimmers? | Skimmers are box-like openings that pull in leaves, debris, bugs, and dirt. |
| What is a weir? | a small floating, hinged device that allows water to enter the skimmer. |
| What are considered safety defects instead of function defects? | Pest infestation, deck and stair issues, GFCI protection, and structural failures |
| What are considered function defects instead of safety defects? | Deteriorated structural members Missing structural attachments Failing roofing and siding materials No electrical disconnects |
| Which of the following things are NOT included for inspection for open outbuildings? | Electrical access is not required for open outbuildings and lack of access is not reportable. All other common defects are reportable. |
| Dug wells have a large diameter and are approximately __ feet to _____ deep. | 10, 30 feet |
| Which of the following is NOT delineated as an important reason as a home inspector to know about septic systems? | You can be held accountable if the system imposes a health risk. |
| A gravity fed plumbing drop for a septic system should have a drop of _____ to __ per 1 foot. | 1/8, 1/4 |
| When measuring the supply temperature in a conventional A/C unit, if the range is less than ____ or greater than ____, there is probably something wrong. | 15 degrees and greater than 25 degrees |
| At what temperature is the compressor no longer able to create sufficient heat | 30 degrees |
| Geothermal installation cost are _______ the cost of conventional HVAC, but the additional cost is returned in ________ years. | 3-4 times, 5-15 years |
| The outer sheathing of non-metallic (NM) cable must extend into any panel, box or fixture by at least ____. | ¼ inch |
| Which of the following is NOT accurate about armor & metal clad cable? | Metal clad cable, type MC is very common in residential. |
| Which type of silicon-based cells used in photovoltaics has the most longevity? | Silicon-based cells used in photovoltaics have around the same longevity. |
| Based on the National Fire Protection Association (NFPA), using what they tell us is unconfined space, calculate the required minimum square footage for a 100,000 BTU furnace with a 34,000 BTU water heater right next to it. | 838 square feet |
| When inspecting a combustion furnace heating system, how long should you let I operate to observe the operation sequence? | 5 minutes |
| You may find gravity boilers in homes built before _____? | 1950 |
| Do NOT operate a circulated boiler unless there is at least ______ of pressure on the gauge. | 10 pounds |
| Which of the following is the inspector NOT required to inspect for fireplaces and fuel-burning appliances? | Combustion air components to determine their adequacy |
| Which of the following is/are included in a level II chimney inspection that is not included in a level I chimney inspection? | All of the above. |
| Single wall stove pipes need 18 inches clearance to combustibles, while double wall stove pipes need _____clearance. | 6 inches |
| Horizontal metal pipe for copper is 1 inch diameter or less should be supported every ______. If it is 1 ¼ inch in diameter, it should be supported every _____. | 8 feet, 10 feet |
| Which of the following is NOT correct regarding inspecting bathroom fixtures? | Run fixtures in multiple bathrooms to ensure concurrent flow/pressure |
| How many inches should there be from the front of a toilet to any opposing wall or door that would be able to close? | 21 inches |
| Hot water heaters that are not Flammable Vapor Ignition Resistant (FVIR), burners and pilots/igniters must be at least ______ above a garage floor. | 18 inches |
| Which type of gas piping must be labeled with size and usage? | Corrugated stainless steel (CSST) |
| Crawl space ventilation requires ventilation openings to be within ______ of each corner of the building. | 3 feet |
| If a crawl space has exhaust-powered ventilation, the continuous mechanical exhaust ventilation should operate at a rate equal to 1 cubic foot per minute for each _____ or crawl space floor area, including an air pathway to the common area. | 50 sq ft |
| If there is a plenum in the crawl space, access to an underfloor plenum shall be provided through an opening in the floor with minimum dimensions of | 18 inches by 24 inches |
| Attic vent ventilation opening should have at least dimensions of a 1/16 inch minimum and _____ maximum opening. | 1/4 |
| Which type of insulation is very resistant to fire and can typically take over 500 degrees before combusting? | Rockwool batts |
| Extruded polystyrene, a type of rigid board insulation, has an R-value of about _____ per inch. | 5 |
| a power vent with an air flow rate of one cubic foot per minute per square foot of the attic space measured at the attic floor is generally considered to be equivalent to ______________ ventilation ratio. | 1 to 150 sq ft |
| Low density spray foam insulation's R-value starts at _____ per inch | 3.6 |
| When choosing an air filter for an HVAC system, what Minimum Efficiency Reporting Values (MERV) filter rating is likely beyond what the HVAC equipment can handle? | MERV 14 |
| When using combustion in HVAC systems, it is important to be aware that for every 20,000 BTUs of combustion, _______ of liquid water is created. | 1 quart |
| ASHRA recommends intermittent or continuous ventilation rates for bathrooms to be ___ to ___ cubic feet per minute (CFM) and ___ to ___ CFM for kitchens. | 50 to 20, 100 to 25 |
| An underwater luminaire must be designed to assure freedom from electrical shock without a GFCI device in its circuit. Any light fixture operating at more than _____ must have GFCI protection. | 15 volts |
| The working definition of a swimming pool considered a permanent structure in the ground, or partially in the ground, that is capable of holding water pools installed inside a building, __________. | All depths |
| Which type of PVC pipes are the best choice for pool or spa's circulation systems? | Schedule 40 PVC |
| Which of the following is true about solar panels? | Solar panels should face the sun, generally installed facing south |
| Which of the following is NOT a method used to evaluate when to irrigate? | Runoff Capture Method |
| Which is the correct formula for determining the system flow rate and area irrigated? | PR(IN/HR) = GPM X 96.3 divided by landscape area in square feet |
| When inspecting open outbuildings, which of the following is NOT information you include in the report? | Materials used for construction |
| Which of the following is NOT included as an animal when inspecting for pest infestation? | Lizards |
| Which type of pump is commonly used for shallow wells (depths 25 feet or less)? | Jet pumps |
| Pump systems relief valves protect against pressure build up. These are “typically” set at a relief pressure of _________. | 100 psi |
| Along with local and state oversight agencies and mortgage lenders who have minimum requirements for water flow and yield testing, the Department of Housing and Urban Development (HUD) requires at least _____ gallons per minute (GPM). | 3-5 GPM |
| For septic tank sizing is based on the assumed load of the dwelling. An example of the number of bedrooms and total square footage includes a three bedroom dwelling having less _________ will require at least a _______ tank. | 2,250 square feet, 900 gallon |
| When inspecting a septic system using a dye and flow test, flowing it for __________ would give provide the minum flow for this test if one faucet flows at approximate 2.5 gallons per minute (GPM). | 60 minutes |
| If the sludge level in a septic tank is determined to be more than __________ of the tank, a pump out should be recommended. | ⅓ from the bottom |
| If the current in Amps is doubled, this _______ the amount of heat generated. | Quadruples |
| Which of the following is NOT Standard of Practice (SOP) for inspection of electrical systems? | Removal of covers off of electrical panels |
| A service lateral that is an underground service must be protected by either a metal conduit or a | A schedule 80 RNC |
| What type of furnace is common in homes that are on slabs or have crawl spaces? | Down-flow unit |
| Most furnaces built today require what kind of clearance for the cabinet and the wall? | Zero inches |
| How wide should the solid walkway be from the attic access to the unit? | 2 feet |
| Which of the following is NOT considered a common duct defect? | Excessively dirty ducts |
| Which type of boiler system has a compression tank without a vent or overflow pipe? | Closed system gravity type |
| Which of the following is not true about air admittance valves (AAVs)? | They close when drainage flow creates positive pressure |
| Every house that you see must have either a minimum of one plumbing vent extending through the roof by at least______, or a whole house air admittance valve in the attic. | 6 inches |
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