NATE HVAC SUPPORT TECHNICIAN
ACTUAL EXAM PAPER 2026 QUESTIONS
WITH SOLUTIONS GRADED A+
●● Customers depend on you to be patient, loyal and? Answer: Honest
●● Using a (BLANK) can cut hard or soft copper, leave no metal
shavings to contaminate the system and produce a clean, square cut.
Answer: Tube cutter
●● In discussing human comfort, the temperature most commonly
referred to is? Answer: Dry-bulb
●● A sling psychrometer uses two glass-stem thermometers. One
measures dry-bulb and the other measures? Answer: Wet-bulb
●● What agency regulates cylinders and chemicals transported in a
service vehicle? Answer: DOT
●● Which of the following classifications of fire extinguishers should be
used for electrical fires? Answer: Class C
, ●● When using a ladder. you should always? Answer: Maintain three
points of contact
●● When does a ground fault circuit interrupter open an electrical
circuit? Answer: When current travels through a ground path other than
the normal neutral
●● A natural cooling process produced by moisture on the skin changing
to low-pressure steam is called? Answer: Evaporation
●● During the heating season, human comfort can be enhanced without
changing the temperature of the air by? Answer: Adding moisture
●● During the cooling season, dampers on bypass humidifiers should
be? Answer: Completely closed
●● Stored energy is called (BLANK) energy. Answer: Potential
●● Heat that you can feel and measure directly with a thermometer is
called? Answer: Sensible heat
●● The heat energy change associated with a phase (state) change is
called? Answer: Latent heat
ACTUAL EXAM PAPER 2026 QUESTIONS
WITH SOLUTIONS GRADED A+
●● Customers depend on you to be patient, loyal and? Answer: Honest
●● Using a (BLANK) can cut hard or soft copper, leave no metal
shavings to contaminate the system and produce a clean, square cut.
Answer: Tube cutter
●● In discussing human comfort, the temperature most commonly
referred to is? Answer: Dry-bulb
●● A sling psychrometer uses two glass-stem thermometers. One
measures dry-bulb and the other measures? Answer: Wet-bulb
●● What agency regulates cylinders and chemicals transported in a
service vehicle? Answer: DOT
●● Which of the following classifications of fire extinguishers should be
used for electrical fires? Answer: Class C
, ●● When using a ladder. you should always? Answer: Maintain three
points of contact
●● When does a ground fault circuit interrupter open an electrical
circuit? Answer: When current travels through a ground path other than
the normal neutral
●● A natural cooling process produced by moisture on the skin changing
to low-pressure steam is called? Answer: Evaporation
●● During the heating season, human comfort can be enhanced without
changing the temperature of the air by? Answer: Adding moisture
●● During the cooling season, dampers on bypass humidifiers should
be? Answer: Completely closed
●● Stored energy is called (BLANK) energy. Answer: Potential
●● Heat that you can feel and measure directly with a thermometer is
called? Answer: Sensible heat
●● The heat energy change associated with a phase (state) change is
called? Answer: Latent heat
