ICA Home Inspector Exam 1 Questions and
Answers with Verified Solutions | Latest
Updated 2026
If water infiltration is Non-contact moisture meter - "Don't
suspected behind a finished poke the wall - no-touch tells all."
surface, what tool is best to
verify dampness?
Gas-fired furnace heat Rust and metal fatigue - "Heat + moisture
exchangers most often fail = rust + cracks."
from
Relative Humidity (RH) is Percentage - "Humidity = how full (%)."
expressed as
Connections of dissimilar Electrolysis - "Two metals + water = tiny
metals in plumbing cause battery."
Which has the LEAST effect on Joist width - "Depth matters, width
lumber floor deflection? doesn't."
Maximum rise of residential 7 3/4 inches - "Stairs max ~7 ¾."
stair treads
Ungrounded receptacle Upstream - "Put safety first - upstream."
replacement with GFCI must
be installed
, 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 Type of roof material and method of
include 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 The flame will be too high unless a
with propane causes smaller orifice is installed - "Propane =
more power = smaller hole."
Horizontal brick displacement Improper ceiling joist installation - "No
near roof edge indicates joist tie = walls push out."
Severely rotted cantilever Warn occupants now & advise immediate
balcony joists → inspector repair - "Collapse hazard = warn now."
should
Cooling unit in attic must have An auxiliary condensate drain - "AC
above ceiling? Add backup drain."
Minimum slope for asphalt 2:12 - "Shingles need at least 2."
shingles
Answers with Verified Solutions | Latest
Updated 2026
If water infiltration is Non-contact moisture meter - "Don't
suspected behind a finished poke the wall - no-touch tells all."
surface, what tool is best to
verify dampness?
Gas-fired furnace heat Rust and metal fatigue - "Heat + moisture
exchangers most often fail = rust + cracks."
from
Relative Humidity (RH) is Percentage - "Humidity = how full (%)."
expressed as
Connections of dissimilar Electrolysis - "Two metals + water = tiny
metals in plumbing cause battery."
Which has the LEAST effect on Joist width - "Depth matters, width
lumber floor deflection? doesn't."
Maximum rise of residential 7 3/4 inches - "Stairs max ~7 ¾."
stair treads
Ungrounded receptacle Upstream - "Put safety first - upstream."
replacement with GFCI must
be installed
, 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 Type of roof material and method of
include 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 The flame will be too high unless a
with propane causes smaller orifice is installed - "Propane =
more power = smaller hole."
Horizontal brick displacement Improper ceiling joist installation - "No
near roof edge indicates joist tie = walls push out."
Severely rotted cantilever Warn occupants now & advise immediate
balcony joists → inspector repair - "Collapse hazard = warn now."
should
Cooling unit in attic must have An auxiliary condensate drain - "AC
above ceiling? Add backup drain."
Minimum slope for asphalt 2:12 - "Shingles need at least 2."
shingles
