National Home Inspector Exam Prep
questions and answers
Which of the following defects can result in a serious safety problem in the bathroom
✔✔Water damage on the floor around the toilet that's what
Which of the following elements is not a common characteristics of a railing system?
✔✔Balcony
What is delaminating and where is it likely to occur ✔✔It is the deterioration of wood
trim or wood surfaces on windows and doors.Noncontact moisture meter ✔✔if water is
filtration is suspected behind a finish surface. What would be the best choice to verify
dampness
Gas, fire, furnaces, heat exchanges most often fail from ✔✔Rust and fatigue
Relative humidity is expressed as ✔✔percentage
Connections of dissimilar metal in a plumbing system, such as galvanized steel pipe
and copper pipe, will usually cause ✔✔Electrolysis
An undergrounded receptacle may be replaced by a ground, fault circuit interrupter
installed ✔✔Upstream from the receptacle
Circuit breakers ✔✔protect the wire from an electrical overload
In a force air heating system, containing a split system air condition and
humidifier,humidity is reduced by ✔✔Condensation of the evaporator coil
Waterhammer can occur as a result of ✔✔A lack of air chambers
If a system designed for use with natural gas is supplied with propane gas ✔✔The
flame will be too high, unless a smaller orifice is installed
When looking at the exterior wall of a 60 year old brick masonry house with a gable
roof, you notice a horizontal crack in the mortar and outward brick displacement along
the gutter edge of the roof. The displacement is greatest at the center of the top 3
courses of brick This condition is MOST likely caused by. ✔✔Improper ceiling joist
installation
,You inspect a wood framed cantilevered balcony off of a 2nd story bedroom you find a
significant wood deterioration, of all cantilever Joists at the bearing point of the house
you should ✔✔Notify the occupants of the significant hazard advise immediate repair to
both the occupant and the client in the report
When a cooling unit is located in an attic where damage may result from condensate
overflow ✔✔An auxiliary condensate drain system is required
If poured concrete foundation has an unusually large amount of vertical cracks, each,
no wider than 1/32 inch cause likely to be ✔✔Shrinkage of the concrete from access
water at the time of pouring
Where should squash blocks web blocking, be found in the wood joist floor system
✔✔At bearing ends and low bearing walls above, with support girders below
Columns typically support ✔✔Girders
In new construction the minimum overhead electrical service clearances are
✔✔walkway: 10 feet, roadway: 18 feet, deck: 10 feet
During a summertime inspection, we could indicate chronic condensation problems in a
attic ✔✔There are no vapor retarder on the insulation
Ice damming at the eaves may be caused by ✔✔In adequate attic insulation
The purpose of flashing on a roof is to ✔✔Shed water onto roofing materials
While inspecting a heat pump is the cooling mode you measure a 28°F temperature
differential between the interior supply and return air you should suspect: ✔✔A dirty
filter
What is the minimum electric service drop clearance from a residential driveway? ✔✔12
feet
Roof truss uplift can cause cracks to form ✔✔At interior wall/ceiling intersections
When measuring the temperature drop across the evaporator in a central air
conditioning system a properly running unit on a humid summer day should read
between ✔✔15 and 25 degrees Fahrenheit
Knob and tube wiring may be acceptable if ✔✔Not covered by Installation
The maximum acceptable variation in a riser height within a flight of stairs is ✔✔3/8 inch
, While conducting an inspection, your ladder falls over and breaks the homeowners
priceless vase. What type of insurance is needed to cover the replacement?
✔✔General liability
The minimum reliable, separation between a masonry chimney and combustible
materials ✔✔2 inches
Bonding of appliances can be confirmed by using in ✔✔Ohm meter
Service panel enclosure doors is required to open at least ✔✔90°
What is a required element of a contract? ✔✔consideration
Buckling in a horizontal vinyl siding is generally caused by? ✔✔Improper fastening
At what level would water pressure with a single-family dwelling began to be considered
excessive in require correction ✔✔80 psi
A new home with electric heating is being inspected. It has a below grade finish
basement containing a bedroom the inspector should look for a smoke alarm, and.
✔✔An escape and rescue opening
A swimming pool fence must prevent passage of a sphere that is larger than ✔✔4
inches
A ground fault circuit interrupter is a safety device that ✔✔Disconnects the power when
sensing current leakage to the ground
An electric system, with a fuse on the neutral conductor, and on the energized (hot)
conductors ✔✔Is hazardous and should be corrected
To operate a central air condition, electric clothes dryer, and electric range the
amperage of the service to the house should be at least. ✔✔100 amps at 240 volts
brick chimneys on older properties with oil heat sometimes curve above the roofline with
no visible cracks. Which is the possible cause of curving? ✔✔Expansion of motar
Low pressure boiling pipes. Do not carry steam pressure above. ✔✔15 Psi
Roof Truss ✔✔Are usually designed for two point bearing
On a hillside house with foundation drain systems, ✔✔The foundation drain system
collect water, passing laterally through the slope
questions and answers
Which of the following defects can result in a serious safety problem in the bathroom
✔✔Water damage on the floor around the toilet that's what
Which of the following elements is not a common characteristics of a railing system?
✔✔Balcony
What is delaminating and where is it likely to occur ✔✔It is the deterioration of wood
trim or wood surfaces on windows and doors.Noncontact moisture meter ✔✔if water is
filtration is suspected behind a finish surface. What would be the best choice to verify
dampness
Gas, fire, furnaces, heat exchanges most often fail from ✔✔Rust and fatigue
Relative humidity is expressed as ✔✔percentage
Connections of dissimilar metal in a plumbing system, such as galvanized steel pipe
and copper pipe, will usually cause ✔✔Electrolysis
An undergrounded receptacle may be replaced by a ground, fault circuit interrupter
installed ✔✔Upstream from the receptacle
Circuit breakers ✔✔protect the wire from an electrical overload
In a force air heating system, containing a split system air condition and
humidifier,humidity is reduced by ✔✔Condensation of the evaporator coil
Waterhammer can occur as a result of ✔✔A lack of air chambers
If a system designed for use with natural gas is supplied with propane gas ✔✔The
flame will be too high, unless a smaller orifice is installed
When looking at the exterior wall of a 60 year old brick masonry house with a gable
roof, you notice a horizontal crack in the mortar and outward brick displacement along
the gutter edge of the roof. The displacement is greatest at the center of the top 3
courses of brick This condition is MOST likely caused by. ✔✔Improper ceiling joist
installation
,You inspect a wood framed cantilevered balcony off of a 2nd story bedroom you find a
significant wood deterioration, of all cantilever Joists at the bearing point of the house
you should ✔✔Notify the occupants of the significant hazard advise immediate repair to
both the occupant and the client in the report
When a cooling unit is located in an attic where damage may result from condensate
overflow ✔✔An auxiliary condensate drain system is required
If poured concrete foundation has an unusually large amount of vertical cracks, each,
no wider than 1/32 inch cause likely to be ✔✔Shrinkage of the concrete from access
water at the time of pouring
Where should squash blocks web blocking, be found in the wood joist floor system
✔✔At bearing ends and low bearing walls above, with support girders below
Columns typically support ✔✔Girders
In new construction the minimum overhead electrical service clearances are
✔✔walkway: 10 feet, roadway: 18 feet, deck: 10 feet
During a summertime inspection, we could indicate chronic condensation problems in a
attic ✔✔There are no vapor retarder on the insulation
Ice damming at the eaves may be caused by ✔✔In adequate attic insulation
The purpose of flashing on a roof is to ✔✔Shed water onto roofing materials
While inspecting a heat pump is the cooling mode you measure a 28°F temperature
differential between the interior supply and return air you should suspect: ✔✔A dirty
filter
What is the minimum electric service drop clearance from a residential driveway? ✔✔12
feet
Roof truss uplift can cause cracks to form ✔✔At interior wall/ceiling intersections
When measuring the temperature drop across the evaporator in a central air
conditioning system a properly running unit on a humid summer day should read
between ✔✔15 and 25 degrees Fahrenheit
Knob and tube wiring may be acceptable if ✔✔Not covered by Installation
The maximum acceptable variation in a riser height within a flight of stairs is ✔✔3/8 inch
, While conducting an inspection, your ladder falls over and breaks the homeowners
priceless vase. What type of insurance is needed to cover the replacement?
✔✔General liability
The minimum reliable, separation between a masonry chimney and combustible
materials ✔✔2 inches
Bonding of appliances can be confirmed by using in ✔✔Ohm meter
Service panel enclosure doors is required to open at least ✔✔90°
What is a required element of a contract? ✔✔consideration
Buckling in a horizontal vinyl siding is generally caused by? ✔✔Improper fastening
At what level would water pressure with a single-family dwelling began to be considered
excessive in require correction ✔✔80 psi
A new home with electric heating is being inspected. It has a below grade finish
basement containing a bedroom the inspector should look for a smoke alarm, and.
✔✔An escape and rescue opening
A swimming pool fence must prevent passage of a sphere that is larger than ✔✔4
inches
A ground fault circuit interrupter is a safety device that ✔✔Disconnects the power when
sensing current leakage to the ground
An electric system, with a fuse on the neutral conductor, and on the energized (hot)
conductors ✔✔Is hazardous and should be corrected
To operate a central air condition, electric clothes dryer, and electric range the
amperage of the service to the house should be at least. ✔✔100 amps at 240 volts
brick chimneys on older properties with oil heat sometimes curve above the roofline with
no visible cracks. Which is the possible cause of curving? ✔✔Expansion of motar
Low pressure boiling pipes. Do not carry steam pressure above. ✔✔15 Psi
Roof Truss ✔✔Are usually designed for two point bearing
On a hillside house with foundation drain systems, ✔✔The foundation drain system
collect water, passing laterally through the slope
