NATE A/C Exam 1 Verified Study Guide Exam
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Terms in this set (50)
Low airflow over a residential split A: Liquid flood-back to the compressor
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
,Which of the following is the A: Attach gauge manifold, recover refrigerant,
correct sequence of work? replace filter core, evacuate the system, recharge
the system.
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.
D: Attach gauge manifold, recharge
the system, evacuate the system,
replace filter core.
As the pressure on a liquid is B: Increases
increased, the vaporization
temperature of the liquid
A: Decreases
B: Increases
C: Remains unchanged
D: Varies
, An oil separator must be mounted A: Level
A: Level
B: Below the compressor crankcase
C: Above the compressor
crankcase
D: In the suction line
Which of the following metering D: None of these
devices controls evaporator
pressure? An automatic expansion valve controls
evaporator pressure.
A: Thermostatic expansion valve
B: Fixed orifice
C: Low side float
D: None of these
The purpose of the external A: To equalize evaporator pressure drop with
equalizer on a thermostatic respect to the TEV
expansion valve is
A: To equalize evaporator pressure
drop with respect to the TEV
B: To equalize the evaporator
pressure drop
C: To help prevent liquid floodback
D: To allow the high side pressure
to equalize to the low side when
the compressor cycles off
Latest 2026/2027 Updated Verified Questions
and Solutions A+ Pass Guaranteed
Save
Terms in this set (50)
Low airflow over a residential split A: Liquid flood-back to the compressor
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
,Which of the following is the A: Attach gauge manifold, recover refrigerant,
correct sequence of work? replace filter core, evacuate the system, recharge
the system.
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.
D: Attach gauge manifold, recharge
the system, evacuate the system,
replace filter core.
As the pressure on a liquid is B: Increases
increased, the vaporization
temperature of the liquid
A: Decreases
B: Increases
C: Remains unchanged
D: Varies
, An oil separator must be mounted A: Level
A: Level
B: Below the compressor crankcase
C: Above the compressor
crankcase
D: In the suction line
Which of the following metering D: None of these
devices controls evaporator
pressure? An automatic expansion valve controls
evaporator pressure.
A: Thermostatic expansion valve
B: Fixed orifice
C: Low side float
D: None of these
The purpose of the external A: To equalize evaporator pressure drop with
equalizer on a thermostatic respect to the TEV
expansion valve is
A: To equalize evaporator pressure
drop with respect to the TEV
B: To equalize the evaporator
pressure drop
C: To help prevent liquid floodback
D: To allow the high side pressure
to equalize to the low side when
the compressor cycles off
