NATE AC Service Certification \COMPLETE QUESTIONS AND CORRECT
DETAILED ANSWERS \VERIFIED ANSWERS \ALREADY GRADED A+
||ASSURED PASS|LATEST UPDATE 2025-2026
Terms in this set (99)
On a 3 ton unit installation, C. Excess airflow(400cfm per ton, 3 ton=1200cfm)
the measure airflow
equals 1550 CFM. What
does this indicate?
A. Proper balancing
B. Low Airflow
C. Excess airflow
D. Improper balancing
, Electronic type leak C. setting the detector for use in environments with
detectors typically have a ambient refrigerant vapor.
push-button or knob for
setting a reference
refrigerant level. This
feature is useful for:
A. adjusting the detector
after installing a new
battery.
B. checking the factory
calibration of the
instrument.
C. setting the detector for
use in environments with
ambient refrigerant vapor.
D. adjusting the detector
for the type refrigerant to
be checked.
What will refrigerant oil in C. All readings on that gauge will not be affected.
a hose cause when a
technician is checking the
pressures in an operation
system with a manifold
gauge set?
A. All readings on that
gauge will increase in
value.
B. All readings on that
gauge will decrease in
value.
C. All readings on that
gauge will not be
affected.
D. The gauge will read 0
psig.
DETAILED ANSWERS \VERIFIED ANSWERS \ALREADY GRADED A+
||ASSURED PASS|LATEST UPDATE 2025-2026
Terms in this set (99)
On a 3 ton unit installation, C. Excess airflow(400cfm per ton, 3 ton=1200cfm)
the measure airflow
equals 1550 CFM. What
does this indicate?
A. Proper balancing
B. Low Airflow
C. Excess airflow
D. Improper balancing
, Electronic type leak C. setting the detector for use in environments with
detectors typically have a ambient refrigerant vapor.
push-button or knob for
setting a reference
refrigerant level. This
feature is useful for:
A. adjusting the detector
after installing a new
battery.
B. checking the factory
calibration of the
instrument.
C. setting the detector for
use in environments with
ambient refrigerant vapor.
D. adjusting the detector
for the type refrigerant to
be checked.
What will refrigerant oil in C. All readings on that gauge will not be affected.
a hose cause when a
technician is checking the
pressures in an operation
system with a manifold
gauge set?
A. All readings on that
gauge will increase in
value.
B. All readings on that
gauge will decrease in
value.
C. All readings on that
gauge will not be
affected.
D. The gauge will read 0
psig.
