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Prac exam 1
| Question | Answer |
|---|---|
| If water infiltration is suspected behind a finished surface. What tool would be the best choice to verify dampness? | a non-contact moisture meter |
| Gas-fired furnace heat exchangers most often fail from | rust and metal fatigue. |
| Relative Humidity (RH) is expressed as | percentage. |
| Connections of dissimilar metal in a plumbing system, such as galvanized steel pipe and copper pipe, will usually cause | electrolysis. |
| Which has the LEAST effect on the deflection of a dimension lumber floor system? | joist width |
| The normal MAXIMUM rise of residential stair treads is | 7 3/4 inches. |
| An ungrounded receptacle may be replaced by a ground fault circuit interrupter installed | upstream from the receptacle. |
| Circuit breakers | protect the wire from an electrical overload. |
| In a forced air heating system containing a split system air conditioner and a humidifier, humidity is reduced by | condensation at the evaporator coil. |
| A home inspection report MUST include the type of roof | the type of roof material and the method of observation. |
| Water hammer can occur as a result of | a lack of air chambers. |
| If a system designed for use with natural gas is supplied with propane gas | the flame will be too high unless a smaller orifice is installed. |
| When looking at the exterior wall of a sixty year old brick masonry house with a gable roof, you notice a horizontal crack in the mortar and outward brick displacement along the gutter edge of the roof. The displacement is greatest at the center of the to | improper ceiling joist installation. |
| You inspect a wood framed cantilevered balcony off a second-story bedroom. You find significant wood deterioration (at least one-half member depth) of all cantilever joists at the bearing point of the house. You should | notify the occupants of the significant hazard, advise immediate repair to both the occupant and client in the report. |
| When a cooling unit is located in an attic where damage may result from condensate overflow | an auxiliary condensate drain system is required. |
| Asphalt shingles are NOT allowed to be installed on roofs with slopes less than | 2 in 12. |
| If a poured concrete foundation has an unusually large number of vertical cracks, each no wider than 1/32 inch, the cause is likely to be | settlement from compaction of soils below the footings. |
| Where should squash blocks (web blocking) be found in a wood I-joist floor system? | at bearing ends and load bearing walls above with support girders below |
| Columns typically support | girders. |
| In new construction, the MINIMUM overhead electrical service clearances are | walkway: 10 feet, roadway: 18 feet, deck: 10 feet |
| During a summertime inspection, what could indicate chronic condensation problems in an attic? | There are gray/black stains on the north side roof sheathing. |
| Ice damming at the eaves may be caused by | inadequate attic insulation. |
| The purpose of flashing on a roof is to | shed water onto roofing materials. |
| The house you are inspecting currently has a gas-fired furnace or boiler. Each of the following clues may indicate that the house also has an abandoned buried fuel oil storage tank EXCEPT | the brick chimney serving the furnace or boiler has deteriorated mortar joints at the bottom |
| While inspecting a heat pump in the cooling mode, you measure a 28 degrees F temperature differential between the interior supply and return air. You should suspect | a dirty filter. |
| What is the MINIMUM electrical service drop clearance from a residential driveway? | 12 feet |
| Roof truss uplift can cause cracks to form | at interior wall/ceiling intersections. |
| When measuring the temperature drop across the evaporator in a central air conditioning system, a properly running unit on a humid summer day should read between | 15° F and 25° F |
| Knob and tube wiring may be acceptable if | not covered by insulation. |
| The MAXIMUM acceptable variation in riser heights within a flight of stairs is | 3/8 inch. |
| While conducting an inspection, your ladder falls over and breaks the homeowner’s priceless Ming vase. What type of insurance is needed to cover the replacement? | homeowner's |
| What is the MINIMUM allowable separation between a masonry chimney and combustible materials? | 2 inches |
| Bonding of appliances can be confirmed by using a/an | ohm meter. |
| The service panel enclosure door is required to open at least | 90°. |
| One of the purposes of a home inspection contract is to define the responsibilities limitations for | the client. |
| What is a required element of a contract? | consideration |
| Home inspection agreements (contracts) should | establish the limitations of the inspection. |
| Stringer, tread, and riser are all components of a | stair system. |
| The final decision to enter a crawl space is made | by the home inspector. |
| The purpose of a contract is to protect the | home inspector and client. |
| Conducting a complete and thorough home inspection minimizes the need for | errors and omissions insurance. |
| What is the most common contributing factor to masonry retaining wall movement? | hydrostatic pressure |
| Buckling in horizontal vinyl siding is generally caused by | improper fastening. |
| At what level would water pressure within a single-family dwelling begin to be considered excessive and require correction? | 80 psi |
| A newer home with electric heat is being inspected. It has a below grade finished basement containing a bedroom. The inspector should look for a smoke alarm and | an escape and rescue opening. |
| A swimming pool fence must prevent passage of a sphere that is larger than | 4 inches. |
| A Ground fault circuit interrupter (GFCI) is a safety device that | disconnects the power when sensing current leakage to ground. |
| An electrical system with a fuse on the neutral conductor and on the energized (hot) conductors | is hazardous and should be corrected. |
| 49. To operate a central air conditioner, an electric clothes dryer, and an electric range, the ampacity of the service to the house should be AT LEAST | 100 amps at 240 volts. |
| Most problems with concrete are caused at the time of installation. What single factor causes the MOST problems? | Too much water is added to the mix. |
| Brick chimneys on older properties with oil heat sometimes curve above the roof line, with no visible cracks. Which is a possible cause of this curving? | expansion of mortar |
| Which set of building terms do NOT belong together? | cripple trimmer, purlin |
| Low pressure boiler pipes do NOT carry steam pressure above | 15 psi |
| When an asphalt shingle roof is installed over existing shingles, leakage commonly occurs at the | penetrations |
| Roof trusses | are usually designed for two-point bearing. |
| On a hillside house with foundation drain systems, | all foundation drain systems must be in perforated plastic piping extending to daylight. |
| A subpanel in an older house that is wired with non-metallic sheathed cable (NM) has one circuit with a ground wire. The ground wire | should be connected to a separate grounded buss bar. |
| Inspecting a very old country house, a gurgling sound is heard from the tub drain when the toilet is flushed. Which of the following is the MOST likely explanation for the sound? | Water discharging from the toilet is pulling water from the tub trap. |
| You are inspecting an older home which has replacement windows and new vinyl siding. The new siding is backed up with rigid foam insulation that covers the service entrance cable from the weatherhead to the meter. You should report that this is | an improper installation that should be corrected. |
| Oriented strand board (OSB) is used MOST frequently in | roof, floor, and exterior wall sheathing. |
| Which of the following is NOT a component of wood stairs? | header |
| When inspecting the structural system, the inspector is required to | report all structural deficiencies observed. |
| A ground fault occurs when | a hot conductor touches a grounded surface or grounding conductor. |
| Electrical receptacles in bathrooms should be | GFCI protected. |
| Medium efficiency furnaces have a draft inducer fan and are connected directly to the vent system instead of having a draft hood. There are white and yellowish deposits below the draft inducer fan. A possible explanation for these deposits is that | moisture is condensing in the vent and running back into the draft inducer fan. |
| The purpose of a trap in the waste drainage system is to | block sewer gases. |
| A home inspection typically includes an examination of | vents, flues, and chimneys. |
| The reason a dielectric union would be used in plumbing distribution pipes is to | separate two dissimilar metals to prevent corrosion. |
| A basin makes a gurgling sound at the end of draining the fixture. This may be due to | inadequate venting. |
| Condensation between glass layers of thermal pane windows indicates the need to | replace glazing, sash, or window. |
| Dielectric unions | prevent galvanic action. |
| The MINIMUM clearance between a wood stove single wall vent connector and combustible materials should be | 18 inches. |
| Garage door opener electronic eye sensors are properly installed when facing each other | 4 to 6 inches above the garage floor. |
| Capillary tubes are part of the | evaporator coil. |
| As a lintel over doors and windows in a masonry wall rusts it may cause | cracks at the tops of openings. |
| Which of the following is a common maintenance task for a residential refrigeration system? | clean the condenser coil |
| The device used to detect the electrical current to the electric heater coil is called | an ammeter. |
| The inspector is required to operate all of the following EXCEPT | shutoff valves. |
| Potable water systems connected to lawn irrigation systems need to be protected from | backsiphonage. |
| Most modern kitchen ranges are required to have | an anti-tip device. |
| The inclusion of photographs in home inspection reports is | optional. |
| A home inspector should probe | where decay is suspected. |
| Overhead electrical service should be a MINIMUM of how many feet above a flat roof subject to foot traffic? | 10 feet |
| How are the holes in rigid foundation drain pipe aligned? | on the bottom half of the pipe |
| What is the primary purpose of control joints placed in concrete driveways? | to reduce random cracking |
| Where might you expect to find a window with safety glass? | less than 18 inches above the floor |
| What is a common cause of buckled hardwood flooring in an existing house? | excessive moisture |
| A newly built ventilated crawl space with a vapor retarder is REQUIRED to have one square foot of net ventilation opening per | 1,500 square feet of crawl space. |
| A standard claims made errors and omissions insurance policy includes claims filed | during the time the policy is in effect. |
| A poured concrete retaining wall with weep holes is rotating. What is the most likely reason for the rotation? | There is no gravel behind the wall. |
| A poured concrete basement wall has a 1/4 inch wide crack where the wall is bowing slightly. Brown stains are below the crack. What is the most likely reason for this condition? | The gutters are blocked. |
| A concrete block basement wall has significant efflorescence. What is the most likely reason for this condition? | The blocks are not grouted. |
| A concrete driveway is 1/z inch higher than the adjacent concrete walkway. What is the most likely reason for this condition? | The soil under the walkway was not compacted. |
| Which is the most acceptable fastener for connecting a deck ledger to a band board? | 1/2 inch diameter hot-dipped galvanized steel machine bolt |
| A movement joint should be installed in brick veneer: | at support by different structural components. |
| Adhered masonry veneer is installed in the same manner as: | stucco. |
| Which roof covering is most appropriate for a roof with a slope of 11/2:12 above a single family house? Assume standard installation of any required underlayment. | modified bitumen |
| What is the most appropriate fastener material for a slate shingle roof covering? | copper nails |
| A scupper would most likely be located in | parapet wall. |
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