ICA EXAM 1 | Questions with 100% Correct
Answers | Verified | Latest Update
2026/2027
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Terms in this set (100)
If water infiltration is a non-contact moisture meter
suspected behind a finished
surface. What tool would be
the best choice to verify
dampness?
Gas-fired furnace heat rust and metal fatigue
exchangers most often fail
from
Relative Humidity (RH) is percentage
expressed as
,Connections of dissimilar electrolysis
metal in a plumbing system,
such as galvanized steel pipe
and copper pipe, will usually
cause
Which has the LEAST effect on joist width
the deflection of a dimension
lumber floor system?
The normal MAXIMUM rise of 7 3/4 inches / depth is 10 inches
residential stair treads is
An ungrounded receptacle upstream from the receptacle
may be replaced by a ground
fault circuit interrupter
installed
Circuit breakers protect the wire from an electrical
overload
In a forced air heating system condensation at the evaporator coil
containing a split system air
conditioner and a humidifier,
humidity is reduced by
A home inspection report the general life expectancy of the roofing
MUST include material
, Water hammer can occur as a a lack of air chambers.
result of faulty shutoff valves.
loose piping.
low static water pressure.
If a system designed for use no changes are needed for the
with natural gas is supplied equipment to function properly.
with propane gas the flame will be too high unless a
smaller orifice is installed.
the flame will be too low unless a larger
orifice is installed.
the gas regulator and valve must be
replaced.
When looking at the exterior excessive sand in the mortar mix.
wall of a sixty year old brick defective brick bonding.
masonry house with a gable improper ceiling joist installation.
roof, you notice a horizontal differential settlement.
crack in the mortar and
outward brick displacement
along the gutter edge of the
roof. The displacement is
greatest at the center of the
top three courses of brick. This
condition is MOST likely
caused by
Answers | Verified | Latest Update
2026/2027
Save
Terms in this set (100)
If water infiltration is a non-contact moisture meter
suspected behind a finished
surface. What tool would be
the best choice to verify
dampness?
Gas-fired furnace heat rust and metal fatigue
exchangers most often fail
from
Relative Humidity (RH) is percentage
expressed as
,Connections of dissimilar electrolysis
metal in a plumbing system,
such as galvanized steel pipe
and copper pipe, will usually
cause
Which has the LEAST effect on joist width
the deflection of a dimension
lumber floor system?
The normal MAXIMUM rise of 7 3/4 inches / depth is 10 inches
residential stair treads is
An ungrounded receptacle upstream from the receptacle
may be replaced by a ground
fault circuit interrupter
installed
Circuit breakers protect the wire from an electrical
overload
In a forced air heating system condensation at the evaporator coil
containing a split system air
conditioner and a humidifier,
humidity is reduced by
A home inspection report the general life expectancy of the roofing
MUST include material
, Water hammer can occur as a a lack of air chambers.
result of faulty shutoff valves.
loose piping.
low static water pressure.
If a system designed for use no changes are needed for the
with natural gas is supplied equipment to function properly.
with propane gas the flame will be too high unless a
smaller orifice is installed.
the flame will be too low unless a larger
orifice is installed.
the gas regulator and valve must be
replaced.
When looking at the exterior excessive sand in the mortar mix.
wall of a sixty year old brick defective brick bonding.
masonry house with a gable improper ceiling joist installation.
roof, you notice a horizontal differential settlement.
crack in the mortar and
outward brick displacement
along the gutter edge of the
roof. The displacement is
greatest at the center of the
top three courses of brick. This
condition is MOST likely
caused by
