NATE HVAC ready to work exam with correct answers 2024

NATE HVAC ready to work

Which component of a residential heating and cooling system heats or cools
themoving
by home
heat?
A) Gas
furnace
B) Air
handler
C) Heat
pump
D)
Thermostat
Answer: C) Heat pump correct answers Answer: C) Heat
pump
Explanation: The heat pump heats or cools the home by moving heat. It
bringsoutdoor
from heat
air
inside during the winter and takes heat from inside the home and releases it
outdoors in
the
summer.
What is the purpose of the evaporator coil in a residential heating and
cooling
A) system?
To filter the
air
B) To control the
temperature
C) To remove unwanted
particles
D) To absorb heat from the
air
Answer: D) To absorb heat from the air correct answers Answer: D) To
absorb
from theheat
air
Explanation: The evaporator coil absorbs heat from the air inside the
homeduring
cool to keep it
the
summer. It is located inside the air handler or attached to the
furnace.
Which component of the heating and cooling system manages the
temperature inside
the
A) Gas
home?
B) Air
furnace
handler
C) t
Thermosta
D) Condensing unit correct answers Answer: C)
Thermostat
Explanation: The thermostat is responsible for managing the temperature
inside the
home. It is
found on an inside wall and allows the owner to control the desired
usually
temperature.
What is the purpose of the electrical panel in a heating and
cooling
A) system?
To control the electrical
current
B) To turn off power for
maintenance
C) To heat or cool the
air
D) To move air to different rooms correct answers Answer: A) To control the
electrical
curre
nt
Explanation: The electrical panel controls the electrical current within the
system. on
located It is
an

, interior wall and allows the technician to turn off power in various locations
of the home
for
safe
maintenance and
service.
Which type of wrench has a U-shaped opening to grip the face of a
bolt
A) or nut?
Open-ended
wrench
B) Adjustable
wrench
C) Box-end wrenchD) Ratchet-type box wrench correct answers Answer:
A) Open-
ended
wrench
Explanation: Open-ended wrenches have a U-shaped opening to grip the
face
or of They
nut. a bolt
are
widely used in HVAC
work.
Which tool is used to cut sheet metal when installing or repairing
duct
A) work?
Claw
hammer
B) Wire
strippers
C) Aviation
snips
D) Tubing benders correct answers Answer: C)
Aviation snipsAviation snips are used to cut sheet metal when installing or
Explanation:
repairing
work. Theyduct
are
designed specifically for this
purpose.
What is the purpose of a deburring
tool?
A) To cut plastic coating around
wires
B) To remove rough edges inside
tubing
C) To grip and turn rigid pipe
fittings
D) To bend tubes made from soft copper correct answers Answer: B) To
remove rough
edges inside
tubing
Explanation: A deburring tool is used to remove any rough edges inside
tubing
cut after a
is made.
ensures a clean and smooth interior
It
surface.
Which tool is used to open the end of soft copper tubing for attachment to
a flare-type
fitting
?
A) Claw
hammer
B) Flaring
C) Swaging
tool
tool
D) Nut driver correct answers Answer: B)
Flaring tool A flaring tool is used to open the end of soft copper tubing so
Explanation:
that it cantobe
attached
a
brass or steel flare-type fitting. It creates a flared end for a secure
connection.
Which category of components in a residential heating and cooling
system is
responsible
for
warming or cooling the air? A) Air ducts B) Gas furnace C) Heat pump D)
Supply ducts
correct answers Answer: C) Heat
pump