INTERNACHI HOME INSPECTOR – 1
EXAM QUESTIONS AND ANSWERS
100% PASS
The upper edge of a masonry chimney cleanout should be at least ____ inches
below the lowest inlet opening. - CORRECT ANSWER-6
The minimum slope for a composition-shingle roof is ____. - CORRECT
ANSWER-2:12
Wood rot may be found when the wood's moisture content is above ____. -
CORRECT ANSWER-20%
InterNACHI estimates that of the 45 million existing decks, only _____ are
completely safe. - CORRECT ANSWER-40%
InterNACHI estimates that of the 45 million existing decks, only _____ are
completely safe. - CORRECT ANSWER-40%
Many builders use common "1/2-inch wood sheathing, which has an R-value of
______. - CORRECT ANSWER-0.6
,The U.S. government has established a minimum rating for furnaces of
_________. - CORRECT ANSWER-78%
The minimum efficiency rating for furnaces is ___________. - CORRECT
ANSWER-78%
A home must be ventilated to let out moisture. More than ___________ of the
water used to water plants eventually enters the air. - CORRECT ANSWER-99%
Ramps should not have a slope greater than a ___ unit vertical in 12 units
horizontal. - CORRECT ANSWER-1
Traps should be level in relation to a water seal. Traps should have a water seal of
at least _____ inches. - CORRECT ANSWER-2
In a solid wood floor joist, a bored hole should be at least ___ inches from the top
or bottom edge. - CORRECT ANSWER-2
For purposes of anchoring to the foundation wall, there should be at least ______
bolts per plate section. - CORRECT ANSWER-2
In a solid wood floor joist, a bored hole should be at least ___ inches from the top
or bottom edge. - CORRECT ANSWER-2
Masonry chimneys should extend at least ____ feet higher than any portion of a
building within 10 horizontal feet. - CORRECT ANSWER-2
COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED
,On roof slopes greater than 4&12 modern standards call for underlayment courses
to overlap horizontally a minimum of _____ inches. - CORRECT ANSWER-2
The standpipe and trap for an automatic clothes washer should be at least ____
inches in diameter. - CORRECT ANSWER-2
An attic with an area of 600 square feet with ridge and soffit vents should have a
total vent area of _____ square feet - CORRECT ANSWER-2
A clearance gap of ___ inches is required between a manufactured chimney and
combustibles - CORRECT ANSWER-2
If a roof ridge is closer than 10 feet to a chimney, the stack should be ____ feet
higher - CORRECT ANSWER-2
An attic with an area of 600 square feet with ridge and soffit vents should have a
total vent area of _____ square feet - CORRECT ANSWER-2
A clearance gap of ___ inches is required between a manufactured chimney and
combustibles - CORRECT ANSWER-2
If a roof ridge is closer than 10 feet to a chimney, the stack should be ____ feet
higher - CORRECT ANSWER-2
A proper chimney crown should be constructed of a Portland cement-based
mixture and cast or formed so that it provides an overhang projecting beyond all
sides of the chimney by a minimum of _____ inches. - CORRECT ANSWER-2
, House framing components should be at least ____ inches away from the chimney
wall - CORRECT ANSWER-2
A proper masonry chimney cap should be constructed of a Portland cement-based
mixture and cast or formed so it provides an overhang projecting beyond all sides
of the chimney by a minimum of _____ inches - CORRECT ANSWER-2
House framing components should be at least ____ inches away from the chimney
wall - CORRECT ANSWER-2
A proper masonry chimney cap should be constructed of a Portland cement-based
mixture and cast or formed so it provides an overhang projecting beyond all sides
of the chimney by a minimum of _____ inches - CORRECT ANSWER-2
Felt underlayment on tile roofs with a pitch between 3:12 and 4:12 should have a
minimum _____-inch headlap. - CORRECT ANSWER-2
Felt underlayment on tile roofs with a pitch of 4:12 or greater should have a
minimum _____-inch headlap. - CORRECT ANSWER-2
Felt underlayment on tile roofs with a pitch of 4:12 or greater should have a
minimum _____-inch headlap - CORRECT ANSWER-2
Open electrical service conductors and multi-conductor cables that are not
installed in a raceway or provided with an approved overall outer jacket should
have a clearance of at least _____ feet from the sides of doors, porches, decks,
COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED
EXAM QUESTIONS AND ANSWERS
100% PASS
The upper edge of a masonry chimney cleanout should be at least ____ inches
below the lowest inlet opening. - CORRECT ANSWER-6
The minimum slope for a composition-shingle roof is ____. - CORRECT
ANSWER-2:12
Wood rot may be found when the wood's moisture content is above ____. -
CORRECT ANSWER-20%
InterNACHI estimates that of the 45 million existing decks, only _____ are
completely safe. - CORRECT ANSWER-40%
InterNACHI estimates that of the 45 million existing decks, only _____ are
completely safe. - CORRECT ANSWER-40%
Many builders use common "1/2-inch wood sheathing, which has an R-value of
______. - CORRECT ANSWER-0.6
,The U.S. government has established a minimum rating for furnaces of
_________. - CORRECT ANSWER-78%
The minimum efficiency rating for furnaces is ___________. - CORRECT
ANSWER-78%
A home must be ventilated to let out moisture. More than ___________ of the
water used to water plants eventually enters the air. - CORRECT ANSWER-99%
Ramps should not have a slope greater than a ___ unit vertical in 12 units
horizontal. - CORRECT ANSWER-1
Traps should be level in relation to a water seal. Traps should have a water seal of
at least _____ inches. - CORRECT ANSWER-2
In a solid wood floor joist, a bored hole should be at least ___ inches from the top
or bottom edge. - CORRECT ANSWER-2
For purposes of anchoring to the foundation wall, there should be at least ______
bolts per plate section. - CORRECT ANSWER-2
In a solid wood floor joist, a bored hole should be at least ___ inches from the top
or bottom edge. - CORRECT ANSWER-2
Masonry chimneys should extend at least ____ feet higher than any portion of a
building within 10 horizontal feet. - CORRECT ANSWER-2
COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED
,On roof slopes greater than 4&12 modern standards call for underlayment courses
to overlap horizontally a minimum of _____ inches. - CORRECT ANSWER-2
The standpipe and trap for an automatic clothes washer should be at least ____
inches in diameter. - CORRECT ANSWER-2
An attic with an area of 600 square feet with ridge and soffit vents should have a
total vent area of _____ square feet - CORRECT ANSWER-2
A clearance gap of ___ inches is required between a manufactured chimney and
combustibles - CORRECT ANSWER-2
If a roof ridge is closer than 10 feet to a chimney, the stack should be ____ feet
higher - CORRECT ANSWER-2
An attic with an area of 600 square feet with ridge and soffit vents should have a
total vent area of _____ square feet - CORRECT ANSWER-2
A clearance gap of ___ inches is required between a manufactured chimney and
combustibles - CORRECT ANSWER-2
If a roof ridge is closer than 10 feet to a chimney, the stack should be ____ feet
higher - CORRECT ANSWER-2
A proper chimney crown should be constructed of a Portland cement-based
mixture and cast or formed so that it provides an overhang projecting beyond all
sides of the chimney by a minimum of _____ inches. - CORRECT ANSWER-2
, House framing components should be at least ____ inches away from the chimney
wall - CORRECT ANSWER-2
A proper masonry chimney cap should be constructed of a Portland cement-based
mixture and cast or formed so it provides an overhang projecting beyond all sides
of the chimney by a minimum of _____ inches - CORRECT ANSWER-2
House framing components should be at least ____ inches away from the chimney
wall - CORRECT ANSWER-2
A proper masonry chimney cap should be constructed of a Portland cement-based
mixture and cast or formed so it provides an overhang projecting beyond all sides
of the chimney by a minimum of _____ inches - CORRECT ANSWER-2
Felt underlayment on tile roofs with a pitch between 3:12 and 4:12 should have a
minimum _____-inch headlap. - CORRECT ANSWER-2
Felt underlayment on tile roofs with a pitch of 4:12 or greater should have a
minimum _____-inch headlap. - CORRECT ANSWER-2
Felt underlayment on tile roofs with a pitch of 4:12 or greater should have a
minimum _____-inch headlap - CORRECT ANSWER-2
Open electrical service conductors and multi-conductor cables that are not
installed in a raceway or provided with an approved overall outer jacket should
have a clearance of at least _____ feet from the sides of doors, porches, decks,
COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED
