ASE Test Prep - A7 Heating and Air
Conditioning - Practice Test #1
comprehensive Questions and Answers
with Verified Solutions
Question 1:
Technician A says AC system pressures will vary with changes in outside
temperature. Technician B says vent temperatures will vary depending on
ambient temperature. Who is correct? A. Technician A only B. Technician
B only C. Both Technicians A and B D. Neither Technician A nor B
Answer:
Both Technicians A and B
Question 2:
A refrigerant identifier is connected to an AC system. The reading is 1%
air and 99% R134A refrigerant. Technician A says the system may have
been open in the past for repairs, due to the small amount of air.
Technician B says the system can safely be recovered into a recovery
machine. Who is correct? A. Technician A only B. Technician B only C.
Both Technicians A and B D. Neither Technician A nor B
Answer:
Both Technicians A and B
, Question 3:
Prior to a repair, a technician is recovering refrigerant from an AC system.
Several minutes after recovery has completed, the low side remains in
vacuum. Which of the following could this indicate? A. The system has
been completely recovered B. There is too much oil in the system C.
There is still some refrigerant left in the system D. There is excessive
moisture in the system
Answer:
The system has been completely recovered
Question 4:
Technician A says some HVAC actuator motors may require calibration
with a scan tool after replacement. Technician B says some actuators are
automatically calibrated in the self-diagnostic mode. Who is correct? A.
Technician A only B. Technician B only
Answer:
Both Technicians A and B
Question 5:
recovered from the AC system. Technician B says all components of the
AC system should be checked, and verified fully operational before
performing the retrofit. Who is correct? A. Technician A only B.
Technician B only C. Both Technicians A and B D. Neither Technician A
nor B
Answer:
Technician B only Technician A says that prior to performing a R134A
retrofit, R12 does not need to be
Conditioning - Practice Test #1
comprehensive Questions and Answers
with Verified Solutions
Question 1:
Technician A says AC system pressures will vary with changes in outside
temperature. Technician B says vent temperatures will vary depending on
ambient temperature. Who is correct? A. Technician A only B. Technician
B only C. Both Technicians A and B D. Neither Technician A nor B
Answer:
Both Technicians A and B
Question 2:
A refrigerant identifier is connected to an AC system. The reading is 1%
air and 99% R134A refrigerant. Technician A says the system may have
been open in the past for repairs, due to the small amount of air.
Technician B says the system can safely be recovered into a recovery
machine. Who is correct? A. Technician A only B. Technician B only C.
Both Technicians A and B D. Neither Technician A nor B
Answer:
Both Technicians A and B
, Question 3:
Prior to a repair, a technician is recovering refrigerant from an AC system.
Several minutes after recovery has completed, the low side remains in
vacuum. Which of the following could this indicate? A. The system has
been completely recovered B. There is too much oil in the system C.
There is still some refrigerant left in the system D. There is excessive
moisture in the system
Answer:
The system has been completely recovered
Question 4:
Technician A says some HVAC actuator motors may require calibration
with a scan tool after replacement. Technician B says some actuators are
automatically calibrated in the self-diagnostic mode. Who is correct? A.
Technician A only B. Technician B only
Answer:
Both Technicians A and B
Question 5:
recovered from the AC system. Technician B says all components of the
AC system should be checked, and verified fully operational before
performing the retrofit. Who is correct? A. Technician A only B.
Technician B only C. Both Technicians A and B D. Neither Technician A
nor B
Answer:
Technician B only Technician A says that prior to performing a R134A
retrofit, R12 does not need to be