NATE AIR CONDITIONING EXAM |ACTUAL
QUESTIONS AND VERIFIED ANSWERS|BRAND NEW
2026-2027 UPDATE|GRADED A+
Question 1
Current in a closed circuit is limited by which of the following.
Resistance
Voltage
Temperature
Heat
CORRECT ANSWER
Resistance
Question 2
________ is the heat that is absorbed or extracted when a substance changes its state.
Latent heat
Specific heat
Enthalpy
Entropy
CORRECT ANSWER
Latent Heat
1
,Question 3
Gas valves operate at ________ voltage.
24V
230V
120V
12V
CORRECT ANSWER
24V
Question 4
When there is an increase in the heat load on the evaporator, the refrigerant will tend to
evaporate at a ______ rate.
faster
slower
CORRECT ANSWER
faster
Question 5
The ________ of the manifold gauge set is used to charge, evacuate, add oil, and recover
refrigerant from a refrigeration and air condition system.
Yellow Hose
Blue Hose
Red Hose
2
, CORRECT ANSWER
Yellow Hose
Question 6
kWh of electric power is equivalent to _____ Btu per hour.
9412
6812
6412
3412
CORRECT ANSWER
3412
Question 7
A high pressure steam boiler operates at a pressure greater than ________.
20 psig
5 psig
25 psig
15 psig
CORRECT ANSWER
15 psig
Question 8
3
QUESTIONS AND VERIFIED ANSWERS|BRAND NEW
2026-2027 UPDATE|GRADED A+
Question 1
Current in a closed circuit is limited by which of the following.
Resistance
Voltage
Temperature
Heat
CORRECT ANSWER
Resistance
Question 2
________ is the heat that is absorbed or extracted when a substance changes its state.
Latent heat
Specific heat
Enthalpy
Entropy
CORRECT ANSWER
Latent Heat
1
,Question 3
Gas valves operate at ________ voltage.
24V
230V
120V
12V
CORRECT ANSWER
24V
Question 4
When there is an increase in the heat load on the evaporator, the refrigerant will tend to
evaporate at a ______ rate.
faster
slower
CORRECT ANSWER
faster
Question 5
The ________ of the manifold gauge set is used to charge, evacuate, add oil, and recover
refrigerant from a refrigeration and air condition system.
Yellow Hose
Blue Hose
Red Hose
2
, CORRECT ANSWER
Yellow Hose
Question 6
kWh of electric power is equivalent to _____ Btu per hour.
9412
6812
6412
3412
CORRECT ANSWER
3412
Question 7
A high pressure steam boiler operates at a pressure greater than ________.
20 psig
5 psig
25 psig
15 psig
CORRECT ANSWER
15 psig
Question 8
3