ICA Exam 1 Questions with Complete Solutions 2026 |
Latest Update | Exam Prep |
1. What is the minimum ampacity required for a central air conditioner, electric
clothes dryer, and electric range?
125 amps at 120 volts
100 amps at 120 volts
60 amps at 240 volts
100 amps at 240 volts
2. Where are the holes located in a rigid foundation drain pipe?
away from the foundation
toward the foundation
on the top half of the pipe
on the bottom half of the pipe
3. The safety valve on a low pressure boiler opens when pressure in the boiler
exceeds how many psi?
15
10
5
30
4. Expanding, rusting steel lintels over windows and doors often cause cracks in
what direction in masonry walls?
Vertical cracks
, Horizontal cracks
Small cracks
Twin cracks
5. Which has the LEAST effect on the deflection of a dimension lumber floor
system?
joist width
joist spacing
joist species
joist grade
6. If a homeowner wants to minimize deflection in their dimension lumber floor
system, which modification would be most effective?
Using a lower grade of lumber
Increasing the load on the floor
Reducing the span of the joists
Increasing moisture content in the wood
7. What is the correct method for connecting the ground wire in a subpanel
wired with non-metallic sheathed cable (NM)?
may be connected to the neutral buss bar.
should be connected to a separate ground rod.
should be connected to a separate grounded buss bar.
may be bonded using the panel cover screws.
,8. If a home inspector finds that the ground wire in a subpanel is incorrectly
connected to the neutral buss bar, what potential issues could arise?
Reduced risk of fire hazards in the electrical system.
No significant issues, as the system will function normally.
Increased risk of electrical shock and improper grounding.
Improved electrical efficiency and safety.
9. Discuss the implications of condensation forming between the glass layers of
thermal pane windows and the recommended initial action.
Condensation indicates a failure in the seal, and the initial action
should be to repair or replace the sealant.
Condensation is normal and requires no action.
Condensation indicates that the interior pane should be replaced.
Condensation suggests that the window needs to be entirely
replaced.
10. Describe the significance of gray/black stains on roof sheathing in relation to
attic conditions.
Gray/black stains on roof sheathing show that insulation is too thick.
Gray/black stains on roof sheathing suggest a need for roof
replacement.
Gray/black stains on roof sheathing indicate potential chronic
condensation problems.
Gray/black stains on roof sheathing are a sign of pest infestation.
11. If you encounter a similar installation in a different home, what steps should
you take to address the improper installation of insulation over the service
, entrance cable?
Suggest adding more insulation to improve energy efficiency.
Advise the homeowner to monitor the cable for damage.
Recommend correction to ensure compliance with safety standards
and prevent moisture issues.
Leave it as is since it provides insulation.
12. What is the main function of control joints in concrete structures?
to prevent cracks
to support weight
to improve drainage
to enhance aesthetics
13. Discuss the significance of a contract in the context of home inspections and
the parties it protects.
A contract is significant as it establishes the rights and
responsibilities of both the home inspector and the client, ensuring
clarity and protection for both parties.
A contract serves to protect only the real estate agent involved in the
transaction.
A contract is only important for the homeowner to ensure their
property is inspected.
A contract is irrelevant in home inspections as verbal agreements are
sufficient.
Latest Update | Exam Prep |
1. What is the minimum ampacity required for a central air conditioner, electric
clothes dryer, and electric range?
125 amps at 120 volts
100 amps at 120 volts
60 amps at 240 volts
100 amps at 240 volts
2. Where are the holes located in a rigid foundation drain pipe?
away from the foundation
toward the foundation
on the top half of the pipe
on the bottom half of the pipe
3. The safety valve on a low pressure boiler opens when pressure in the boiler
exceeds how many psi?
15
10
5
30
4. Expanding, rusting steel lintels over windows and doors often cause cracks in
what direction in masonry walls?
Vertical cracks
, Horizontal cracks
Small cracks
Twin cracks
5. Which has the LEAST effect on the deflection of a dimension lumber floor
system?
joist width
joist spacing
joist species
joist grade
6. If a homeowner wants to minimize deflection in their dimension lumber floor
system, which modification would be most effective?
Using a lower grade of lumber
Increasing the load on the floor
Reducing the span of the joists
Increasing moisture content in the wood
7. What is the correct method for connecting the ground wire in a subpanel
wired with non-metallic sheathed cable (NM)?
may be connected to the neutral buss bar.
should be connected to a separate ground rod.
should be connected to a separate grounded buss bar.
may be bonded using the panel cover screws.
,8. If a home inspector finds that the ground wire in a subpanel is incorrectly
connected to the neutral buss bar, what potential issues could arise?
Reduced risk of fire hazards in the electrical system.
No significant issues, as the system will function normally.
Increased risk of electrical shock and improper grounding.
Improved electrical efficiency and safety.
9. Discuss the implications of condensation forming between the glass layers of
thermal pane windows and the recommended initial action.
Condensation indicates a failure in the seal, and the initial action
should be to repair or replace the sealant.
Condensation is normal and requires no action.
Condensation indicates that the interior pane should be replaced.
Condensation suggests that the window needs to be entirely
replaced.
10. Describe the significance of gray/black stains on roof sheathing in relation to
attic conditions.
Gray/black stains on roof sheathing show that insulation is too thick.
Gray/black stains on roof sheathing suggest a need for roof
replacement.
Gray/black stains on roof sheathing indicate potential chronic
condensation problems.
Gray/black stains on roof sheathing are a sign of pest infestation.
11. If you encounter a similar installation in a different home, what steps should
you take to address the improper installation of insulation over the service
, entrance cable?
Suggest adding more insulation to improve energy efficiency.
Advise the homeowner to monitor the cable for damage.
Recommend correction to ensure compliance with safety standards
and prevent moisture issues.
Leave it as is since it provides insulation.
12. What is the main function of control joints in concrete structures?
to prevent cracks
to support weight
to improve drainage
to enhance aesthetics
13. Discuss the significance of a contract in the context of home inspections and
the parties it protects.
A contract is significant as it establishes the rights and
responsibilities of both the home inspector and the client, ensuring
clarity and protection for both parties.
A contract serves to protect only the real estate agent involved in the
transaction.
A contract is only important for the homeowner to ensure their
property is inspected.
A contract is irrelevant in home inspections as verbal agreements are
sufficient.
