Nate A/C Exam |Actual Questions And Verified Answers|Brand New Update|Graded A+

NATE A/C EXAM |ACTUAL QUESTIONS AND
VERIFIED ANSWERS|BRAND NEW 2026-2027
UPDATE|GRADED A+


Question 1

Low airflow over a residential split system air conditioning evaporator can cause



A: Liquid flood-back to the compressor



B: A decrease in compression ratio



C: An increase in suction line superheat



D: Oil logging in the evaporator

CORRECT ANSWER

A: Liquid flood-back to the compressor




Question 2

Which of the following is the correct sequence of work?



A: Attach gauge manifold, recover refrigerant, replace filter core, evacuate the system,
recharge the system.



B: Recover refrigerant, evacuate the system, replace filter core, recharge the system.



C: Attach gauge manifold, evacuate the system, replace filter core, recover refrigerant,
recharge the system.

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,D: Attach gauge manifold, recharge the system, evacuate the system, replace filter core.

CORRECT ANSWER

A: Attach gauge manifold, recover refrigerant, replace filter core, evacuate the system,
recharge the system.




Question 3

As the pressure on a liquid is increased, the vaporization temperature of the liquid



A: Decreases



B: Increases



C: Remains unchanged



D: Varies

CORRECT ANSWER

B: Increases




Question 4

An oil separator must be mounted



A: Level



B: Below the compressor crankcase



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, C: Above the compressor crankcase



D: In the suction line

CORRECT ANSWER

A: Level




Question 5

Which of the following metering devices controls evaporator pressure?



A: Thermostatic expansion valve



B: Fixed orifice



C: Low side float



D: None of these

CORRECT ANSWER

D: None of these



An automatic expansion valve controls evaporator pressure.




Question 6

The purpose of the external equalizer on a thermostatic expansion valve is



A: To equalize evaporator pressure drop with respect to the TEV



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