North Carolina Home Inspection
Licensing Exam Study Guide
The ________ and _________ breaker panels are known to be major electrical fire hazards and
have been recalled. - correct answer FPE Stab-lok and Zinsco
The service drop cable running over a 4:12 or greater pitch roof has to be ____ over the ridge. -
correct answer 3'
If you have a 8 gauge stranded aluminum cable running to a 40 amp breaker that goes to an
electric stove and a 10 gauge single strand copper cable running to a 40 amp breaker that goes
to the condenser unit, which one is wrong and how would you fix it? - correct answer The
aluminum wire is too small for the breaker, it requires a 6 gauge wire
In the sub panel the grounding bus bar has been bonded to the neutral bus bar, this action is
called what? - correct answer Parallel Paths
Indoor staircases are required to have a three-way switch at the top and bottom if they have __
or more risers. - correct answer 6
In a complete circuit the ___ wire carries the current with no energy back to the source. -
correct answer Neutral
Every Home must have at least __ plumbing Vents extending through the roof by at least __
inches. - correct answer 1 and 6 inches
Minimum size for the bathroom drain fixtures? - correct answer 1 ¼ in
Must have a union fitting on all pipes within __ feet of the water heater? - correct answer 5 ft
What does the R-Value mean in attic Insulation? - correct answer Resistant
Electric Safety eye sensor should be __ Inches from floor? - correct answer 3 - 6"
With a vapor Barrier there should be __ Sqft per __ of attic Space? - correct answer 1 sq ft per
300 Sq ft
What should a steam boil have to prevent cross connections? - correct answer BFP: back flow
preventer
_______ are any material which allow its electrons to move through the material. - correct
answer Conductors
A complete circuit must include a ______. - correct answer Load
The amount of energy is known as _____. - correct answer Amps
The pressure behind electrical current is _____. - correct answer Volts
The resistance to current flow is known as ______. - correct answer Ohms
,North Carolina Home Inspection
Licensing Exam Study Guide
Higher Amp circuits need thicker wire gage because more amps generate more _____. - correct
answer Heat
The rate of work or power is known as _____ . - correct answer Watts
Doubling the ____ quadruples the amount of ____ generated. - correct answer Current / heat
Service ____ are overhead from a utility pole and service ____ are underground from a utility
trench. - correct answer Drops / Laterals
The neutral wire has the same _____ as the black/hot wire but does not have the ____ to shock
you. - correct answer Amps / Energy
How many wires in a Three Phase service drop cable? - correct answer 4, (3) 120 volts and (1)
neutral
A Mansard style of roof is most likely to have leaks where? - correct answer The eyebrows
You are inspecting a 25 year old roof that has cedar shakes, the full length of the shake is 24",
how much of the cedar shake can be exposed? - correct answer 8" / ⅓ of the shingle
_____ is a moisture protection barrier that is installed on top of the roof sheathing prior to
installing shingles. - correct answer Underlayment
You are inspecting a home in December that has architectural shingles and notice ice damming
around the eaves and gutters of the roof, what are two things that could cause this? - correct
answer Lack of ventilation and Lack of Insulation in the attic
______ flashing is always interwoven with each course of roof material, starting at the eaves
(bottom roof edge) and working up. - correct answer Step Flashing
The ______ is a secondary drain that is cut into the parapet walls on a flat roof to allow water
to escape in the event the primary drain clogs. - correct answer Scupper
Cedar shakes require a minimum roof pitch of ____ . - correct answer 4:12 pitch
There is a "B" Vent on the ridge of a 5:12 pitch roof that has a plumbing vent that is 9 feet
away. How tall should the "B" vent be? - correct answer 12"
The top part of the chimney is called what? - correct answer Crown
What shingles on the roof area have the least amount of wear? - correct answer The Cap or
ridge shingles
Weather deck is the material placed under what type of roof? - correct answer Wood Shingles
, North Carolina Home Inspection
Licensing Exam Study Guide
What determines the size of your roof gutters? - correct answer The average yearly rainfall in
your area
Where are the most amount of leaks in a roof area? - correct answer At roof penetrations
Which shingle typically lasts the longest if installed correctly, and which part of this shingle
typically fails first? - correct answer Slate Shingles / the nails
What device is present on a heat pump but not on an A/C unit? - correct answer Reversing
Valve
What is it called when the outside temperature at which capacity of the heat pump matches
building heat loss? - correct answer Balance Point
What should the temperature drop be across the evaporator coil? - correct answer 15 - 20
degrees
What data is required by the SOP when inspecting a central A/C unit? - correct answer Max
Breaker, Tonnage, Age
What is the most common cause for frost on the line set? - correct answer Air filters are dirty
What components make up an A/C unit and where are they located? - correct answer
Condenser Outside / Evaporator Coil Inside
What is it called when a refrigerant absorbs heat when changing from a liquid to a gas? Also,
does it happen inside or outside? - correct answer Endothermic / Inside
What is it called when a refrigerant releases heat when changing from a gas to a liquid? Also,
does it happen inside or outside? - correct answer Exothermic / Outside
What is an A/C measured in? - correct answer Tonnage
What is heat measured in? - correct answer BTU / British Thermal Units
Where is the capacity and age found on an A/C unit? - correct answer Capacity - Model
Number / Age - Serial Number
A heat pump should be tested in cooling mode only if the outside temperature is at or above
what temperature? What is the temperature if it was in heat mode? - correct answer Above
60-65 degrees / Below 60-65 Degrees
What is the key factor of geothermal heat pumps? - correct answer Ground Loops
Which line of the A/C unit has to be insulated through its entire length? - correct answer
Suction Line
Licensing Exam Study Guide
The ________ and _________ breaker panels are known to be major electrical fire hazards and
have been recalled. - correct answer FPE Stab-lok and Zinsco
The service drop cable running over a 4:12 or greater pitch roof has to be ____ over the ridge. -
correct answer 3'
If you have a 8 gauge stranded aluminum cable running to a 40 amp breaker that goes to an
electric stove and a 10 gauge single strand copper cable running to a 40 amp breaker that goes
to the condenser unit, which one is wrong and how would you fix it? - correct answer The
aluminum wire is too small for the breaker, it requires a 6 gauge wire
In the sub panel the grounding bus bar has been bonded to the neutral bus bar, this action is
called what? - correct answer Parallel Paths
Indoor staircases are required to have a three-way switch at the top and bottom if they have __
or more risers. - correct answer 6
In a complete circuit the ___ wire carries the current with no energy back to the source. -
correct answer Neutral
Every Home must have at least __ plumbing Vents extending through the roof by at least __
inches. - correct answer 1 and 6 inches
Minimum size for the bathroom drain fixtures? - correct answer 1 ¼ in
Must have a union fitting on all pipes within __ feet of the water heater? - correct answer 5 ft
What does the R-Value mean in attic Insulation? - correct answer Resistant
Electric Safety eye sensor should be __ Inches from floor? - correct answer 3 - 6"
With a vapor Barrier there should be __ Sqft per __ of attic Space? - correct answer 1 sq ft per
300 Sq ft
What should a steam boil have to prevent cross connections? - correct answer BFP: back flow
preventer
_______ are any material which allow its electrons to move through the material. - correct
answer Conductors
A complete circuit must include a ______. - correct answer Load
The amount of energy is known as _____. - correct answer Amps
The pressure behind electrical current is _____. - correct answer Volts
The resistance to current flow is known as ______. - correct answer Ohms
,North Carolina Home Inspection
Licensing Exam Study Guide
Higher Amp circuits need thicker wire gage because more amps generate more _____. - correct
answer Heat
The rate of work or power is known as _____ . - correct answer Watts
Doubling the ____ quadruples the amount of ____ generated. - correct answer Current / heat
Service ____ are overhead from a utility pole and service ____ are underground from a utility
trench. - correct answer Drops / Laterals
The neutral wire has the same _____ as the black/hot wire but does not have the ____ to shock
you. - correct answer Amps / Energy
How many wires in a Three Phase service drop cable? - correct answer 4, (3) 120 volts and (1)
neutral
A Mansard style of roof is most likely to have leaks where? - correct answer The eyebrows
You are inspecting a 25 year old roof that has cedar shakes, the full length of the shake is 24",
how much of the cedar shake can be exposed? - correct answer 8" / ⅓ of the shingle
_____ is a moisture protection barrier that is installed on top of the roof sheathing prior to
installing shingles. - correct answer Underlayment
You are inspecting a home in December that has architectural shingles and notice ice damming
around the eaves and gutters of the roof, what are two things that could cause this? - correct
answer Lack of ventilation and Lack of Insulation in the attic
______ flashing is always interwoven with each course of roof material, starting at the eaves
(bottom roof edge) and working up. - correct answer Step Flashing
The ______ is a secondary drain that is cut into the parapet walls on a flat roof to allow water
to escape in the event the primary drain clogs. - correct answer Scupper
Cedar shakes require a minimum roof pitch of ____ . - correct answer 4:12 pitch
There is a "B" Vent on the ridge of a 5:12 pitch roof that has a plumbing vent that is 9 feet
away. How tall should the "B" vent be? - correct answer 12"
The top part of the chimney is called what? - correct answer Crown
What shingles on the roof area have the least amount of wear? - correct answer The Cap or
ridge shingles
Weather deck is the material placed under what type of roof? - correct answer Wood Shingles
, North Carolina Home Inspection
Licensing Exam Study Guide
What determines the size of your roof gutters? - correct answer The average yearly rainfall in
your area
Where are the most amount of leaks in a roof area? - correct answer At roof penetrations
Which shingle typically lasts the longest if installed correctly, and which part of this shingle
typically fails first? - correct answer Slate Shingles / the nails
What device is present on a heat pump but not on an A/C unit? - correct answer Reversing
Valve
What is it called when the outside temperature at which capacity of the heat pump matches
building heat loss? - correct answer Balance Point
What should the temperature drop be across the evaporator coil? - correct answer 15 - 20
degrees
What data is required by the SOP when inspecting a central A/C unit? - correct answer Max
Breaker, Tonnage, Age
What is the most common cause for frost on the line set? - correct answer Air filters are dirty
What components make up an A/C unit and where are they located? - correct answer
Condenser Outside / Evaporator Coil Inside
What is it called when a refrigerant absorbs heat when changing from a liquid to a gas? Also,
does it happen inside or outside? - correct answer Endothermic / Inside
What is it called when a refrigerant releases heat when changing from a gas to a liquid? Also,
does it happen inside or outside? - correct answer Exothermic / Outside
What is an A/C measured in? - correct answer Tonnage
What is heat measured in? - correct answer BTU / British Thermal Units
Where is the capacity and age found on an A/C unit? - correct answer Capacity - Model
Number / Age - Serial Number
A heat pump should be tested in cooling mode only if the outside temperature is at or above
what temperature? What is the temperature if it was in heat mode? - correct answer Above
60-65 degrees / Below 60-65 Degrees
What is the key factor of geothermal heat pumps? - correct answer Ground Loops
Which line of the A/C unit has to be insulated through its entire length? - correct answer
Suction Line
