Home Inspection Course National Preparation Exam Q&A 2024
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Module
Home inspection
Institution
Home Inspection
Home Inspection Course National
Preparation Exam Q&A 2024
The main difference between a laundry tub pump and a sump pump is
(a) laundry tub pumps can handle lint
(b) sump pumps are laundry capacity
(c) laundry tub pumps operate on 120 volt, and sump pumps operate only on 240v
power
(d) su...
the main difference between a laundry tub pump and
if there is no water in the boiler the low water
in a two story victorian home with a boiler in the
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Home Inspection Course National
Preparation Exam Q&A 2024
The main difference between a laundry tub pump and a sump pump is
(a) laundry tub pumps can handle lint
(b) sump pumps are laundry capacity
(c) laundry tub pumps operate on 120 volt, and sump pumps operate only on 240v
power
(d) sump pumps are manual, and laundry tub pumps are automatic - CORRECT
ANSWER -(a) laundry tub pumps can handle lint
All of the following are common HRV problems
except
(a) missing filters
(b) dirty heat exchanger core
(c) lack of a trap in the condensate drain
(d) flow measuring stations located on warm side ducts - CORRECT ANSWER -(d) flow
measuring stations located on warm side ducts
Squeaking subflooring is an indication of
(a) over spanned joists
(b) undersized beams
(c) poor fastening of subfloors
(d) undersized subfloors - CORRECT ANSWER -(c) poor fastening of subfloors
High efficiency gas furnaces installed in old ductwork tend to have
(a) higher maintenance
(b) excess temperature rise
(c) shorter life spans
(d) all of the above - CORRECT ANSWER -(c) shorter life spans
Most radiant heating systems are located
(a) in the ceiling
(b) in the floors
(c) on exterior walls below windows
(d) in light weight concrete panels - CORRECT ANSWER -(a) in the ceiling
The cable is protected by 60 -amp breakers at the main panel. You should make sure
that
(a) the cable is protected in a ventilated metal raceway
(b) the cable is in rigid conduit
(c) the cable is no longer than three feet
(d) the subpanel is rated to handle at least 60 amps.
(d) the subpanel is rated to handle at least 60 amps. - CORRECT ANSWER -(d) the
subpanel is rated to handle at least 60 amps.
If there is no water in the boiler, the low water cutouts prevents the
(a) circulator from operating
(b) burner from firing
(c) pressure reducer from adding water
(d) entrapment of air in the air separator - CORRECT ANSWER -(b) burner from firing
A house has service entrance conductors designed for 100 amps and a main
disconnect rated at 100 amps. Which of these conditions is unsafe?
(a) The service entrance box is rated at 125 amps
(b) The service box is rated at 75 amps
(c) The distribution panel is rated at 125 amps
(d) The distribution panel is rated at 200 amps - CORRECT ANSWER -(b) The service
box is rated at 75 amps
Which of the following steam systems is commonly converted to hot water?
(a) A one pipe, up -feed system
(b) A one pipe, down -feed system
(c) A two -pipe system
(d) A one pipe, parallel flow system - CORRECT ANSWER -(c) A two -pipe system
All of the following are basic components of a masonry wood -burning fireplace except
(a) A damper
(b) A throat
(c) A smoke shelfs
(d) A heat circulator - CORRECT ANSWER -(d) A heat circulator
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Copper -tube boilers typically have:
a) Better heat transfer characteristics, and longer lifespans than cast -iron boilers
(b) Better heat transfer characteristics, but shorter lifespans than cast -iron boilers
(c) Worse heat transfer characteristics, but longer lifespans than cast -iron boilers
(d) Worse heat transfer characteristics, and shorter lifespans than cast -iron boilers -
CORRECT ANSWER -(b) Better heat transfer characteristics, but shorter lifespans than
cast-iron boilers
Which of the following is a similarity between furnaces and boilers?
(a) Piping
(b) A low -level safety device
(c) High -temperature limit switches
(d) Backflow preventers - CORRECT ANSWER -(c) High -temperature limit switches
Heat exchanger diagnosis is easier than on furnaces because the heat exchanger will
leak when it has failed.
(a) True
(b) False - CORRECT ANSWER -(a) True
List the four safety controls found on hydronic systems:
(a) Pressure relief valve, high temperature limit, low -water cutout, backflow preventer
(b) Low temperature limit, high water cut out, backflow preventer, pressure relief valve
(c) Pressure relief valve, high temperature limit, water cutoff, back flow preventer
(d) Pressure relief, high temperature limit, low water cutout, back flow preventer -
CORRECT ANSWER -(a) Pressure relief valve, high temperature limit, low -water cutout,
backflow preventer
What is the normal operating pressure in a boiler?
(a) 2 to 5 psi
(b) 5 to 9 psi
(c) 12 to 15 psi
(d) 9 to 12 psi - CORRECT ANSWER -(c) 12 to 15 psi
In a two -story Victorian home with a boiler in the basement you find a pressure -reducing
valve set to 12 psi. Is there a possibility that his valve is set too low?
(a) Yes
(b) No - CORRECT ANSWER -(b) No Powered by TCPDF (www.tcpdf.org)
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