interNACHI How to Inspect
HVAC Systems | Questions and
Correct Answers | latest
Update 2024/2025 | 100%
PASS
High-efficiency condensing HVAC systems produce excessive
_______________. - Answer -condensate
T/F: A moisture meter comes in both invasive and non-invasive models.
- Answer -true
A home inspection is a non-invasive, _____________ examination of a
residential property. - Answer -visual
A home inspector is required to ______________ the energy source. -
Answer -describe
A home inspector is required to describe the heating ____________. -
Answer -method
_______________ is an effective means of inspecting for water leaks
and moisture problems. - Answer -Thermography
,Condensate lines or sweating suction lines can ______ onto building
materials. - Answer -leak
A(n) ____________ can be used to tell the difference between
aluminum pipes and steel pipes. - Answer -magnet
____________ is one of the main concerns when inspecting the HVAC
system. - Answer -Water (or moisture)
A home that has a fuel-fired heating system requires
_________________. - Answer -venting of its combustion gases and
byproducts to the outside
___________ can be used to check for wood rot and damage caused by
a leak from a condensing unit. - Answer -An awl or probe
Heat moves from the ________ body, and the ________ body absorbs
it. - Answer -warmer, colder
Heat can move from one body to another by _________. - Answer -
radiation
Forced-air furnaces function primarily by ________. - Answer -
convection
Heat is transferred _____________. - Answer -in direct rays
Heat transferred through electromagnetic waves happens via
__________. - Answer -radiation
Radiation is the transfer of heat energy _________________. - Answer -
by electromagnetic waves
Heat transferred within a gas or liquid happens via __________. -
Answer -convection
, You may be able to describe a heating system by its _____________. -
Answer -heat-conveying medium
T/F: Steam is considered a heat-conveying medium. - Answer -True
"________" describes a type of heating system. - Answer -Hydronic
Electricity may be considered a fuel, but it can also be _____________. -
Answer -the heat-conveying medium
If the heating system is a high-efficiency, gas-fired furnace, then the
heat-conveying medium is _____. - Answer -air
_____________ is what carries the heat from the source to the
enclosure being heated. - Answer -The heat-conveying medium
The ___________ of the heating system can be cited to distinguish one
heating system from another. - Answer -efficiency and capacity
An inspector should describe the energy source or ___________ in the
inspection report. - Answer -the type of heating fuel
The following are types of fuel used in residential heating:
______________. - Answer -Electricity, wood, gas
There are ___________ types of heat-conveying mediums. - Answer -
four
Burning natural gas with oxygen yields carbon dioxide, water vapor, and
________. - Answer -heat
A(n) _______ furnace is also referred to as a counter-flow furnace or a
down-draft furnace. - Answer -downflow
Natural gas has no color or odor, and ______ toxic. - Answer -is not
HVAC Systems | Questions and
Correct Answers | latest
Update 2024/2025 | 100%
PASS
High-efficiency condensing HVAC systems produce excessive
_______________. - Answer -condensate
T/F: A moisture meter comes in both invasive and non-invasive models.
- Answer -true
A home inspection is a non-invasive, _____________ examination of a
residential property. - Answer -visual
A home inspector is required to ______________ the energy source. -
Answer -describe
A home inspector is required to describe the heating ____________. -
Answer -method
_______________ is an effective means of inspecting for water leaks
and moisture problems. - Answer -Thermography
,Condensate lines or sweating suction lines can ______ onto building
materials. - Answer -leak
A(n) ____________ can be used to tell the difference between
aluminum pipes and steel pipes. - Answer -magnet
____________ is one of the main concerns when inspecting the HVAC
system. - Answer -Water (or moisture)
A home that has a fuel-fired heating system requires
_________________. - Answer -venting of its combustion gases and
byproducts to the outside
___________ can be used to check for wood rot and damage caused by
a leak from a condensing unit. - Answer -An awl or probe
Heat moves from the ________ body, and the ________ body absorbs
it. - Answer -warmer, colder
Heat can move from one body to another by _________. - Answer -
radiation
Forced-air furnaces function primarily by ________. - Answer -
convection
Heat is transferred _____________. - Answer -in direct rays
Heat transferred through electromagnetic waves happens via
__________. - Answer -radiation
Radiation is the transfer of heat energy _________________. - Answer -
by electromagnetic waves
Heat transferred within a gas or liquid happens via __________. -
Answer -convection
, You may be able to describe a heating system by its _____________. -
Answer -heat-conveying medium
T/F: Steam is considered a heat-conveying medium. - Answer -True
"________" describes a type of heating system. - Answer -Hydronic
Electricity may be considered a fuel, but it can also be _____________. -
Answer -the heat-conveying medium
If the heating system is a high-efficiency, gas-fired furnace, then the
heat-conveying medium is _____. - Answer -air
_____________ is what carries the heat from the source to the
enclosure being heated. - Answer -The heat-conveying medium
The ___________ of the heating system can be cited to distinguish one
heating system from another. - Answer -efficiency and capacity
An inspector should describe the energy source or ___________ in the
inspection report. - Answer -the type of heating fuel
The following are types of fuel used in residential heating:
______________. - Answer -Electricity, wood, gas
There are ___________ types of heat-conveying mediums. - Answer -
four
Burning natural gas with oxygen yields carbon dioxide, water vapor, and
________. - Answer -heat
A(n) _______ furnace is also referred to as a counter-flow furnace or a
down-draft furnace. - Answer -downflow
Natural gas has no color or odor, and ______ toxic. - Answer -is not
