ICA EXAM 2 QUESTIONS AND ANSWERS LATEST UPDATE 2025 GRADED A+
A sidewall extends past a roof. Hardboard siding is water damaged a few tiles beyond where the roof
and sidewall meet. The roof covering is asphalt strip shingles. What is the most likely cause of this
condition? - Answers Drip edge flashing was not installed.
Kick out flashing was not installed.
Siding was installed close to the roof covering.
Underlayment was not installed.
A 1/2 inch wide gap exists between the drywall wall and ceiling. The seller reports that this gap opens in
the winter and closes in the summer. What is the most likely cause of this condition? - Answers truss
uplift
a damaged truss bottom chord
poor drywall finishing
an absent gusset plate
A color tie would most likely be found in - Answers the attic near the top plate.
the basement between floor joists.
a wall at the intersection of two walls.
the upper part of the attic.
A concrete basement wall has a crack that varies in width between 3/8 inch at the floor to 1/8 inch 2
feet down from the wall top. What is the most likely cause of this condition? - Answers The concrete
dried too quickly.
The soil is unstable under the footing.
The wall was damaged when it was backfilled.
The reinforcing steel is the wrong size.
A notch in a 12 foot long 2x10 floor joist is located 5 feet from the joist end. What is the MAXIMUM
allowed notch depth? - Answers 2 inches
1 5/8 inches
1 1/2 inches
0 inches
,Racking is most likely to occur from failure to install - Answers wall bracing.
floor joist bridging.
roof collar ties.
foundation wall reinforcing steel.
You see a ceramic tile floor with numerous cracks running through the grout and the tiles. The floor
system is constructed using 2x10 floor joists. Which is the most likely cause of this condition? - Answers
The tiles are defective.
The floor joist blocking is absent.
The floor joist span is too long.
The wrong grout was used.
You see uniform width cracks at both upper corners of all windows along one top story wall. Which is
the most likely cause of this condition? - Answers The windows are improperly flashed.
The wall is improperly braced.
The cripple studs are improperly notched.
The ceiling joist span is too long.
The grounding electrode system of a house - Answers provides an alternate return path for electricity.
permits electricity to flow within the system.
protects people from electric shock.
prevents metal from becoming energized.
How many energized conductors supply 240 volt, 200 amp, single phase electric service? - Answers 1
2
3
4
A circuit breaker protects against too much - Answers voltage.
resistance.
inductance.
current.
, Which event is most likely to cause arc flash? - Answers lightning striking near a utility transformer
a short circuit in a utility transformer
metal touching an energized conductor
a short circuit in a branch circuit
A subpanel in a detached building has melted insulation on a neutral conductor. What is most likely
cause of this condition? - Answers The neutral conductor is loose at the terminal bar.
The circuit breaker is defective.
There is no ground electrode.
The circuit breaker ampacity is too large for the wire.
In which location may NM cable be installed? - Answers in intermediate metal conduit located under the
eaves
attached to the bottom of floor joists in a crawl space
on top of ceiling joists located 6 feet from an attic access opening
in rigid metal conduit buried 12 inches below grade
A 2-slot receptacle has been replaced with a 3-slot receptacle in a branch circuit that does contain an
equipment grounding conductor? Which method is permitted? - Answers Install an arc-fault circuit
breaker on the branch circuit.
Replace the receptacle with a GFCI receptacle.
Run an equipment grounding conductor to a separate grounding electrode.
Run an equipment grounding conductor to a copper water pipe.
Where would an evaporative cooler be most effective? - Answers Phoenix, AZ
Nashville, TN
Miami, FL
New York, NY
When a heat pump is operating in cooling mode the temperature of the liquid line should be a few
degrees - Answers cooler than the outside air temperature.
warmer than the outside air temperature.
A sidewall extends past a roof. Hardboard siding is water damaged a few tiles beyond where the roof
and sidewall meet. The roof covering is asphalt strip shingles. What is the most likely cause of this
condition? - Answers Drip edge flashing was not installed.
Kick out flashing was not installed.
Siding was installed close to the roof covering.
Underlayment was not installed.
A 1/2 inch wide gap exists between the drywall wall and ceiling. The seller reports that this gap opens in
the winter and closes in the summer. What is the most likely cause of this condition? - Answers truss
uplift
a damaged truss bottom chord
poor drywall finishing
an absent gusset plate
A color tie would most likely be found in - Answers the attic near the top plate.
the basement between floor joists.
a wall at the intersection of two walls.
the upper part of the attic.
A concrete basement wall has a crack that varies in width between 3/8 inch at the floor to 1/8 inch 2
feet down from the wall top. What is the most likely cause of this condition? - Answers The concrete
dried too quickly.
The soil is unstable under the footing.
The wall was damaged when it was backfilled.
The reinforcing steel is the wrong size.
A notch in a 12 foot long 2x10 floor joist is located 5 feet from the joist end. What is the MAXIMUM
allowed notch depth? - Answers 2 inches
1 5/8 inches
1 1/2 inches
0 inches
,Racking is most likely to occur from failure to install - Answers wall bracing.
floor joist bridging.
roof collar ties.
foundation wall reinforcing steel.
You see a ceramic tile floor with numerous cracks running through the grout and the tiles. The floor
system is constructed using 2x10 floor joists. Which is the most likely cause of this condition? - Answers
The tiles are defective.
The floor joist blocking is absent.
The floor joist span is too long.
The wrong grout was used.
You see uniform width cracks at both upper corners of all windows along one top story wall. Which is
the most likely cause of this condition? - Answers The windows are improperly flashed.
The wall is improperly braced.
The cripple studs are improperly notched.
The ceiling joist span is too long.
The grounding electrode system of a house - Answers provides an alternate return path for electricity.
permits electricity to flow within the system.
protects people from electric shock.
prevents metal from becoming energized.
How many energized conductors supply 240 volt, 200 amp, single phase electric service? - Answers 1
2
3
4
A circuit breaker protects against too much - Answers voltage.
resistance.
inductance.
current.
, Which event is most likely to cause arc flash? - Answers lightning striking near a utility transformer
a short circuit in a utility transformer
metal touching an energized conductor
a short circuit in a branch circuit
A subpanel in a detached building has melted insulation on a neutral conductor. What is most likely
cause of this condition? - Answers The neutral conductor is loose at the terminal bar.
The circuit breaker is defective.
There is no ground electrode.
The circuit breaker ampacity is too large for the wire.
In which location may NM cable be installed? - Answers in intermediate metal conduit located under the
eaves
attached to the bottom of floor joists in a crawl space
on top of ceiling joists located 6 feet from an attic access opening
in rigid metal conduit buried 12 inches below grade
A 2-slot receptacle has been replaced with a 3-slot receptacle in a branch circuit that does contain an
equipment grounding conductor? Which method is permitted? - Answers Install an arc-fault circuit
breaker on the branch circuit.
Replace the receptacle with a GFCI receptacle.
Run an equipment grounding conductor to a separate grounding electrode.
Run an equipment grounding conductor to a copper water pipe.
Where would an evaporative cooler be most effective? - Answers Phoenix, AZ
Nashville, TN
Miami, FL
New York, NY
When a heat pump is operating in cooling mode the temperature of the liquid line should be a few
degrees - Answers cooler than the outside air temperature.
warmer than the outside air temperature.
