AHIT COMPREHENSIVE EXAM UPDATED QUESTIONS AND
ANSWERS SURE A+
✔✔What type of oil burner has the greatest operating efficiency? - ✔✔a flame retention
✔✔Moisture/condensation in the attic most directly effects which of the following roof
components? - ✔✔roof sheathing
✔✔What is an insulation's R-value? - ✔✔its resistance to heat flow
✔✔According to most standards of practice, the home inspector is required to enter
underfloor crawl spaces and attic spaces when _____. - ✔✔access is not obstructed,
won't damage property, or be dangerous
✔✔In general, which type of insulation has the lowest R-value per inch? - ✔✔loose-fill
insulation
✔✔What is Kraft paper? - ✔✔a water-resistant asphalt-impregnated paper used as a
vapor barrier
✔✔Why was UFFI insulation considered to be a health hazard? - ✔✔It releases
formaldehyde into the air.
✔✔What condition is a sign of too much moisture in the attic? - ✔✔delaminated
plywood sheathing
✔✔***Cracks found on a plaster wall may indicate an underlying structural problem if
they are _____.*** - ✔✔one-quarter-inch wide
✔✔The examination of the absorption/leach field when inspecting a septic system is
important because it _____. - ✔✔may indicate a malfunctioning system if liquids are
oozing through to the surface
✔✔A pressure tank is used in conjunction with a(n) _____. - ✔✔well
✔✔The valve used to shut off the water to the property is known as the _____. -
✔✔main shut-off valve
✔✔Which type of supply pipe is especially subject to pinhole leaks? - ✔✔brass
✔✔What is electrolytic corrosion? - ✔✔a process where two dissimilar metals
connected in water give up ions and make a current
✔✔What finding is considered a safety hazard? - ✔✔holes in a plumbing vent pipe
, ✔✔What is the home inspector not required to do while inspecting a hot water system,
according to most standards of practice? - ✔✔operate the relief valve (except in tx)
✔✔Which component is present on a gas water heater but not on an electric one? -
✔✔a draft hood
✔✔Which action is required by most standards of practice during the plumbing
inspection? - ✔✔required to describe water supply and distribution piping materials
✔✔What type of piping is most commonly used today as the main service pipe from
public water supplies? - ✔✔copper
✔✔When should the home inspector recommend a well technician be called to examine
the well equipment? - ✔✔A) if the pressure tank is leaking
B) if the main shut-off valve is missing
C) if the pump is overly noisy
***D) all of the answers shown***
✔✔What is a cross connection as it relates to plumbing? - ✔✔when waste water can be
siphoned into the water supply system
✔✔Which type of pump is used to discharge waste from a basement toilet that is below
the level of the sewer line? - ✔✔a sanitary grinder pump
✔✔What happens if inlet and outlet pipes are reversed on the water heater? - ✔✔Cold
water is sent to the top of the tank.
✔✔A thumping or rumbling noise heard while a gas water heater is firing indicates
_____. - ✔✔sediment in the tank
✔✔If a faucet drips when turned off, it's most likely caused by _____. - ✔✔a faulty valve
or cartridge
✔✔Why should the home inspector lift or nudge the toilet bowl from side to side? - ✔✔to
check if the toilet bowl is tight to the floor
✔✔Why should the extension to the TPR valve on a water heater not be threaded at the
bottom? - ✔✔to prevent the end from being capped
✔✔What is the feature installed uphill of the chimney to allow water and debris to flow
around the chimney? - ✔✔cricket
ANSWERS SURE A+
✔✔What type of oil burner has the greatest operating efficiency? - ✔✔a flame retention
✔✔Moisture/condensation in the attic most directly effects which of the following roof
components? - ✔✔roof sheathing
✔✔What is an insulation's R-value? - ✔✔its resistance to heat flow
✔✔According to most standards of practice, the home inspector is required to enter
underfloor crawl spaces and attic spaces when _____. - ✔✔access is not obstructed,
won't damage property, or be dangerous
✔✔In general, which type of insulation has the lowest R-value per inch? - ✔✔loose-fill
insulation
✔✔What is Kraft paper? - ✔✔a water-resistant asphalt-impregnated paper used as a
vapor barrier
✔✔Why was UFFI insulation considered to be a health hazard? - ✔✔It releases
formaldehyde into the air.
✔✔What condition is a sign of too much moisture in the attic? - ✔✔delaminated
plywood sheathing
✔✔***Cracks found on a plaster wall may indicate an underlying structural problem if
they are _____.*** - ✔✔one-quarter-inch wide
✔✔The examination of the absorption/leach field when inspecting a septic system is
important because it _____. - ✔✔may indicate a malfunctioning system if liquids are
oozing through to the surface
✔✔A pressure tank is used in conjunction with a(n) _____. - ✔✔well
✔✔The valve used to shut off the water to the property is known as the _____. -
✔✔main shut-off valve
✔✔Which type of supply pipe is especially subject to pinhole leaks? - ✔✔brass
✔✔What is electrolytic corrosion? - ✔✔a process where two dissimilar metals
connected in water give up ions and make a current
✔✔What finding is considered a safety hazard? - ✔✔holes in a plumbing vent pipe
, ✔✔What is the home inspector not required to do while inspecting a hot water system,
according to most standards of practice? - ✔✔operate the relief valve (except in tx)
✔✔Which component is present on a gas water heater but not on an electric one? -
✔✔a draft hood
✔✔Which action is required by most standards of practice during the plumbing
inspection? - ✔✔required to describe water supply and distribution piping materials
✔✔What type of piping is most commonly used today as the main service pipe from
public water supplies? - ✔✔copper
✔✔When should the home inspector recommend a well technician be called to examine
the well equipment? - ✔✔A) if the pressure tank is leaking
B) if the main shut-off valve is missing
C) if the pump is overly noisy
***D) all of the answers shown***
✔✔What is a cross connection as it relates to plumbing? - ✔✔when waste water can be
siphoned into the water supply system
✔✔Which type of pump is used to discharge waste from a basement toilet that is below
the level of the sewer line? - ✔✔a sanitary grinder pump
✔✔What happens if inlet and outlet pipes are reversed on the water heater? - ✔✔Cold
water is sent to the top of the tank.
✔✔A thumping or rumbling noise heard while a gas water heater is firing indicates
_____. - ✔✔sediment in the tank
✔✔If a faucet drips when turned off, it's most likely caused by _____. - ✔✔a faulty valve
or cartridge
✔✔Why should the home inspector lift or nudge the toilet bowl from side to side? - ✔✔to
check if the toilet bowl is tight to the floor
✔✔Why should the extension to the TPR valve on a water heater not be threaded at the
bottom? - ✔✔to prevent the end from being capped
✔✔What is the feature installed uphill of the chimney to allow water and debris to flow
around the chimney? - ✔✔cricket
