ICA Home Inspector Exam 1 Questions and Answers Best rated A+ Guaranteed Success Latest Update

If water infiltration is suspected behind a finished surface, what tool is best to verify dampness? - ️️Non-contact moisture meter — "Don't poke the wall — no-touch tells all." Gas-fired furnace heat exchangers most often fail from - ️️Rust and metal fatigue — "Heat + moisture = rust + cracks." Relative Humidity (RH) is expressed as - ️️Percentage — "Humidity = how full (%)." Connections of dissimilar metals in plumbing cause - ️️Electrolysis — "Two metals + water = tiny battery." Which has the LEAST effect on lumber floor deflection? - ️️Joist width — "Depth matters, width doesn't." Maximum rise of residential stair treads - ️️7 3/4 inches — "Stairs max ~7 ¾." Ungrounded receptacle replacement with GFCI must be installed - ️️Upstream — "Put safety first — upstream." Circuit breakers protect - ️️The wire from overload — "Breaker = wire bodyguard." Humidity is reduced by - ️️Condensation at the evaporator coil — "Evaporator = drip = dehumidify." Home inspection report must include - ️️Type of roof material and method of observation — "What it is + how I saw it." Water hammer occurs due to - ️️Lack of air chambers — "No air = pipe bang." Natural gas system supplied with propane causes - ️️The flame will be too high unless a smaller orifice is installed — "Propane = more power = smaller hole." Horizontal brick displacement near roof edge indicates - ️️Improper ceiling joist installation — "No joist tie = walls push out."Severely rotted cantilever balcony joists → inspector should - ️️Warn occupants now & advise immediate repair — "Collapse hazard = warn now." Cooling unit in attic must have - ️️An auxiliary condensate drain — "AC above ceiling? Add backup drain." Minimum slope for asphalt shingles - ️️2:12 — "Shingles need at least 2." Many small vertical foundation cracks are due to - ️️Concrete shrinkage from excess water — "Too wet = shrink = tiny cracks." Squash blocks should be located - ️️At bearing ends where loads transfer — "Where weight pushes down." Columns typically support - ️️Girders — "Column → Girder → Joists." Minimum overhead service drop clearances - ️️Walkway 10 ft, Roadway 18 ft, Deck 10 ft — "10-18-10 sandwich." Chronic attic condensation shows as - ️️Gray/black stains on north roof sheathing — "North side = cold side = mold side." Ice damming is caused by - ️️Inadequate attic insulation — "Heat leaks → ice peaks." Purpose of roof flashing - ️️To shed water — "Flash = flow away." Clue NOT indicating old oil tank - ️️Chimney mortar decay — "Oil tank clues = pipes, not bricks." 28°F AC temp drop suggests - ️️Dirty filter — "Too cold = airflow blocked." Minimum service drop over driveway - ️️12 ft — "Driveway = 12." Roof truss uplift cracks appear - ️️At interior wall/ceiling joint — "Truss lifts center first." Proper A/C temperature drop - ️️15°F to 25°F — "Sweet spot ~20°." Knob & tube wiring is acceptable only when - ️️Not covered by insulation — "It must breathe." Max riser height variation - ️️3/8 inch — "Keep stairs even."Insurance needed if inspector breaks property - ️️General liability — "Break stuff = liability." Minimum clearance chimney-to-combustibles - ️️2 inches — "Chimney needs 2 inches to chill." Bonding of appliances confirmed with - ️️Ohm meter — "Bonding = continuity (ohms)." Contract defines responsibility for - ️️The client — "Contract sets expectations." Required element of contract - ️️Consideration — "No money, no contract." Home inspection agreement should - ️️Establish inspection limitations — "Defines what's NOT included." Stringer, tread, riser belong to - ️️Stair system — "Tread = step = stairs." Final decision to enter crawl space is made by - ️️The inspector — "Safety call = inspector." Contract protects - ️️Both inspector and client — "Protects both sides." Thorough inspection reduces need for - ️️Errors & omissions claims — "Good reporting = fewer mistakes." Most common cause of retaining wall movement - ️️Hydrostatic pressure — "Water pushes walls." Buckled vinyl siding caused by - ️️Improper fastening — "Vinyl must float." Water pressure considered excessive at - ️️80 psi — "Problems start at 80." Basement bedroom must have - ️️An escape/rescue opening — "Basement bedroom needs a way out." Pool fence must prevent passage of - ️️4-inch sphere — "Kid's head rule = 4 inches." GFCI disconnects power when - ️️It senses current leakage — "Where did the electricity go?" Fuse on neutral is - ️️Hazardous — "Never fuse the neutral."Minimum service to run AC + dryer + range - ️️100 amps at 240V — "Big appliances need big service." Cut floor joist around toilet should be - ️️Repaired by contractor — "Structural damage = call pro." Most concrete problems caused by - ️️Too much water in mix — "Wet concrete = weak concrete." Curved chimney in old oil system caused by - ️️Mortar expansion — "Oil exhaust swells mortar." Which terms don't belong: cripple, trimmer, purlin - ️️Purlin — "Purlins live in roofs, not walls." Low pressure boiler limit - ️️15 psi — "Low = 15 max." Leakage on shingle-over-shingle roofs occurs at - ️️Penetrations — "Leaks happen where things stick out." Roof trusses are designed for - ️️Two-point bearing — "Support at the ends only." Foundation drains collect - ️️Water moving sideways through slope — "Hillside water moves sideways." Ground wire in subpanel must - ️️Go to separate ground bus — "Main = bond, sub = separate." Tub gurgles when toilet flushes due to - ️️Trap siphoning from lack of venting — "Gurgle = needs vent." Siding covering service entrance cable is - ️️Improper — "Service cable must be visible." OSB is most used for - ️️Roof, wall, and floor sheathing — "OSB = The Big Three." Which is NOT part of stairs - ️️Header — "Header belongs above doors." Inspector must - ️️Report structural deficiencies — "See it → Say it." Ground fault occurs when - ️️Hot conductor touches ground — "Hot meets ground = fault." Bathroom outlets must be - ️️GFCI protected — "Water = GFCI."