HOME INSPECTOR NATIONAL PREP
UPATE;( COMPREHENSIVE STUDY GUIDE
2026 FULL QUESTIONS AND SOLUTIONS
GRADED A+
◍ Exterior doors are supported by ______ and ______ studs..
Answer: jack, king
◍ The soil under the walkway was not compacted..
Answer: A concrete driveway is 1/2" higher than the adjacent concrete
walkway. What is the most likely reason for this condition?
◍ Modified Bitumen.
Answer: Which roof covering is most appropriate for a roof with a slope of
1 1/2:12 above a single family house? Assume standar installation of any
required underlayment.
◍ Which of the following is the LEAST important to report when inspecting
through the wall air conditioning units?Moisture leakage into the wall
cavityThe fan is making a squealing noiseExcessive rust noted on
componentsThere was only a 15 degree temperature spread.
Answer: There was only a 15 degree temperature spread
◍ In calculating box fill, each No. 12 AWG conductor shall require
______________ cubic inches free space within the box..
Answer: 2.25 cu. in.
◍ On spiral stairways, the minimum width shall be ___ inches. The rise shall
be no more than ____ inches. A minimum headroom of ____ feet, ____
inches shall be provided..
Answer: 26 in.9 1/2 in.6 ft. , 6 in.
,◍ Duct MaterialsAbove-ground ducts can be made out of a variety of
materials, including:.
Answer: plain steel; galvanized sheet metal; aluminum; typically installed
outside of building copper;typically installed outside of building fiberglass;
paper fiber; are installed in concrete. vitrified clay tile.are installed in
concrete. Underground ducts are made of approved concrete, clay, metal or
plastic.
◍ Service receptacles for HVAC equipment must be within
_____________________ feet of inside and outside units..
Answer: 25'
◍ Window wells more than ___ inches below grade should be equipped with a
________..
Answer: 44, ladder
◍ A "Channel and drop" is a type of __________.A, technique for measuring a
homesite
B. wood siding
C. method for digging
D. irrigation ditches and laying in pipe
E. technique for installing windows.
Answer: wood siding
◍ Thermostat.
Answer: ThermostatA thermostat controls the operation of the furnace. The
thermostat senses the air temperature in the room or space that is being
heated. It sends signals to open and close the main gas valve.
◍ A minimum of ____________ 20-ampere-rated branch circuits shall be
provided to serve all wall and floor receptacle outlets located in the kitchen,
pantry, breakfast area, dining area or similar area of a dwelling..
Answer: Two
◍ NO ANSWER>Refer to NHIE Manual.
Answer: Fiberglass batt insulation slows heat movement by
,◍ Near a steam boiler..
Answer: Where would an equalizer pipe be found?
◍ A splash diverter should be installed where?.
Answer: In valleys
◍ In cold formed steel framing, floor cantilevers for the top floor of a two or
three story building or the first floor of a one story building shall not exceed
______ inches..
Answer: 24 inches
◍ T/F: Small holes maybe be permanently patched on metal roofs?.
Answer: True, using the same metal and soldering patch to metal, priming
and painting
◍ the implication of the deficiency.
Answer: what information is usually required when reporting a deficient
component?
◍ You observe on a home inspection a whitish, cottony growth on the surface
of baseboards. Which of the following types of fungi are most likely the
cause?
A. White-rot fungi
B. Water-conducting fungi
C. Brown-rot fungi
D. Sapstain fungi.
Answer: White-rot fungi
◍ a three light receptacle tester will not display a/an.
Answer: bootleg ground
◍ 12 in.
Answer: A wood-burning stove is listed for 12 inch clearance to
combustibles. What is the minimum clearance to combustibles for this stove
when using a sheet metal and air space clearance reduction device?
◍ How does a whole-house fan work?.
, Answer: It pulls air from opening windows through the house and into the
attic
◍ Shield plates, when required, shall cover the area of concealed gas piping
and shall extend a minimum of _____________________ inches to each
side of a stud, joist, or rafter..
Answer: 4 in.
◍ Most problems with concrete are caused at the time of installation. What
single factor causes MOST problems.
Answer: Too much water is added to the mix
◍ Fireplace flues must extend AT LEAST:A) Three feet above roof
penetration and two feet above the highest point within 10 feet.B) Two feet
above roof penetration and three feet above the highest point within 10
feet.C) Thirty inches above roof penetration and 24 inches above the highest
point with eight feet.D) Three feet above roof penetration and three feet
above the highest point within eight feet..
Answer: A) Three feet above roof penetration and two feet above the highest
point within 10 feet.
◍ Roof Trusses.
Answer: Are usually designed for two-point bearing
◍ What can window displacement in a basement be a sign of?.
Answer: That the window is moving
◍ What material is used for gas vent flashing?.
Answer: Galvanized steel
◍ What is a Way to identify a Forced Air Heating system and are the most
commonly used in a heating system?.
Answer: Perimeter Duct system & Plenum duct system
◍ Perimeter Loop and Perimeter RadialThere are two common types of
perimeter duct systems: perimeter loop and perimeter radial. Describe them?
A perimeter-loop duct system actually has a loop of duct or pipe that
UPATE;( COMPREHENSIVE STUDY GUIDE
2026 FULL QUESTIONS AND SOLUTIONS
GRADED A+
◍ Exterior doors are supported by ______ and ______ studs..
Answer: jack, king
◍ The soil under the walkway was not compacted..
Answer: A concrete driveway is 1/2" higher than the adjacent concrete
walkway. What is the most likely reason for this condition?
◍ Modified Bitumen.
Answer: Which roof covering is most appropriate for a roof with a slope of
1 1/2:12 above a single family house? Assume standar installation of any
required underlayment.
◍ Which of the following is the LEAST important to report when inspecting
through the wall air conditioning units?Moisture leakage into the wall
cavityThe fan is making a squealing noiseExcessive rust noted on
componentsThere was only a 15 degree temperature spread.
Answer: There was only a 15 degree temperature spread
◍ In calculating box fill, each No. 12 AWG conductor shall require
______________ cubic inches free space within the box..
Answer: 2.25 cu. in.
◍ On spiral stairways, the minimum width shall be ___ inches. The rise shall
be no more than ____ inches. A minimum headroom of ____ feet, ____
inches shall be provided..
Answer: 26 in.9 1/2 in.6 ft. , 6 in.
,◍ Duct MaterialsAbove-ground ducts can be made out of a variety of
materials, including:.
Answer: plain steel; galvanized sheet metal; aluminum; typically installed
outside of building copper;typically installed outside of building fiberglass;
paper fiber; are installed in concrete. vitrified clay tile.are installed in
concrete. Underground ducts are made of approved concrete, clay, metal or
plastic.
◍ Service receptacles for HVAC equipment must be within
_____________________ feet of inside and outside units..
Answer: 25'
◍ Window wells more than ___ inches below grade should be equipped with a
________..
Answer: 44, ladder
◍ A "Channel and drop" is a type of __________.A, technique for measuring a
homesite
B. wood siding
C. method for digging
D. irrigation ditches and laying in pipe
E. technique for installing windows.
Answer: wood siding
◍ Thermostat.
Answer: ThermostatA thermostat controls the operation of the furnace. The
thermostat senses the air temperature in the room or space that is being
heated. It sends signals to open and close the main gas valve.
◍ A minimum of ____________ 20-ampere-rated branch circuits shall be
provided to serve all wall and floor receptacle outlets located in the kitchen,
pantry, breakfast area, dining area or similar area of a dwelling..
Answer: Two
◍ NO ANSWER>Refer to NHIE Manual.
Answer: Fiberglass batt insulation slows heat movement by
,◍ Near a steam boiler..
Answer: Where would an equalizer pipe be found?
◍ A splash diverter should be installed where?.
Answer: In valleys
◍ In cold formed steel framing, floor cantilevers for the top floor of a two or
three story building or the first floor of a one story building shall not exceed
______ inches..
Answer: 24 inches
◍ T/F: Small holes maybe be permanently patched on metal roofs?.
Answer: True, using the same metal and soldering patch to metal, priming
and painting
◍ the implication of the deficiency.
Answer: what information is usually required when reporting a deficient
component?
◍ You observe on a home inspection a whitish, cottony growth on the surface
of baseboards. Which of the following types of fungi are most likely the
cause?
A. White-rot fungi
B. Water-conducting fungi
C. Brown-rot fungi
D. Sapstain fungi.
Answer: White-rot fungi
◍ a three light receptacle tester will not display a/an.
Answer: bootleg ground
◍ 12 in.
Answer: A wood-burning stove is listed for 12 inch clearance to
combustibles. What is the minimum clearance to combustibles for this stove
when using a sheet metal and air space clearance reduction device?
◍ How does a whole-house fan work?.
, Answer: It pulls air from opening windows through the house and into the
attic
◍ Shield plates, when required, shall cover the area of concealed gas piping
and shall extend a minimum of _____________________ inches to each
side of a stud, joist, or rafter..
Answer: 4 in.
◍ Most problems with concrete are caused at the time of installation. What
single factor causes MOST problems.
Answer: Too much water is added to the mix
◍ Fireplace flues must extend AT LEAST:A) Three feet above roof
penetration and two feet above the highest point within 10 feet.B) Two feet
above roof penetration and three feet above the highest point within 10
feet.C) Thirty inches above roof penetration and 24 inches above the highest
point with eight feet.D) Three feet above roof penetration and three feet
above the highest point within eight feet..
Answer: A) Three feet above roof penetration and two feet above the highest
point within 10 feet.
◍ Roof Trusses.
Answer: Are usually designed for two-point bearing
◍ What can window displacement in a basement be a sign of?.
Answer: That the window is moving
◍ What material is used for gas vent flashing?.
Answer: Galvanized steel
◍ What is a Way to identify a Forced Air Heating system and are the most
commonly used in a heating system?.
Answer: Perimeter Duct system & Plenum duct system
◍ Perimeter Loop and Perimeter RadialThere are two common types of
perimeter duct systems: perimeter loop and perimeter radial. Describe them?
A perimeter-loop duct system actually has a loop of duct or pipe that
