7/16/26, 2:39 PM HVAC Final Exam Electrical For Air Conditioning EXAM| FREQUENTLY MOST TESTED QUESTIONS AND VERIFIED SOLUTION…
HVAC Final Exam Electrical For Air Conditioning
EXAM| FREQUENTLY MOST TESTED QUESTIONS
AND VERIFIED SOLUTIONS @ 2026 || 2027
(Actual Exam) Questions with verified Answers
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Terms in this set (163)
When using a low voltage T-stat for A) When Using a single transformer system
heating and cooling, when would
there be a jumper between Rh and
Rc?
Select one:
a. When using a single transformer
system
b. When heating with an oil boiler
c. When heating with a gas boiler
d. When using a two transformer
system
Digital thermostats usually display True
temperature, time of day,
programming and operating status.
Select one:
True
False
https://quizlet.com/1195014375/hvac-final-exam-electrical-for-air-conditioning-exam-frequently-most-tested-questions-and-verified-solutions-2026-20… 1/25
,7/16/26, 2:39 PM HVAC Final Exam Electrical For Air Conditioning EXAM| FREQUENTLY MOST TESTED QUESTIONS AND VERIFIED SOLUTION…
With the fan switch in the on b. run continuously
position, the indoor fan will,,,
Select one:
a. Run in cooling mode
b. run continuously
c. run only when the outdoor unit
runs
d. none of the above
What is the most common type of T- c. Low voltage
sat in the HVAC industry?
Select one:
a. Line voltage
b. Remote bulb
c. Low voltage
d. None of the above
What device is added to a oil or gas b. Fan Center
forced hot air system when it is not
AC ready?
Select one:
a. Fan limit switch
b. Fan Center
c. Multi Stage Thermostat
d. Mars Relay
https://quizlet.com/1195014375/hvac-final-exam-electrical-for-air-conditioning-exam-frequently-most-tested-questions-and-verified-solutions-2026-20… 2/25
, 7/16/26, 2:39 PM HVAC Final Exam Electrical For Air Conditioning EXAM| FREQUENTLY MOST TESTED QUESTIONS AND VERIFIED SOLUTION…
When a technician is taking an ohm b. OL
reading across an open switch what
should the reading be?
Select one:
a. 0
b. OL
c. Source Voltage
d. Some Number
What does the "Y" terminal connect b. Cooling Contactor
to on a wall mounted low voltage T-
stat?
Select one:
a. Outdoor fan relay
b. Cooling Contactor
c. Primary side of transformer
d. Indoor fan relay
In a transformer the ______________________ a. primary
winding is the windings to which
voltage is supplied and is considered
the load side of the transformer.
Select one:
a. primary
b. secondary
c. start
d. run
https://quizlet.com/1195014375/hvac-final-exam-electrical-for-air-conditioning-exam-frequently-most-tested-questions-and-verified-solutions-2026-20… 3/25
HVAC Final Exam Electrical For Air Conditioning
EXAM| FREQUENTLY MOST TESTED QUESTIONS
AND VERIFIED SOLUTIONS @ 2026 || 2027
(Actual Exam) Questions with verified Answers
Save Add to calendar
Terms in this set (163)
When using a low voltage T-stat for A) When Using a single transformer system
heating and cooling, when would
there be a jumper between Rh and
Rc?
Select one:
a. When using a single transformer
system
b. When heating with an oil boiler
c. When heating with a gas boiler
d. When using a two transformer
system
Digital thermostats usually display True
temperature, time of day,
programming and operating status.
Select one:
True
False
https://quizlet.com/1195014375/hvac-final-exam-electrical-for-air-conditioning-exam-frequently-most-tested-questions-and-verified-solutions-2026-20… 1/25
,7/16/26, 2:39 PM HVAC Final Exam Electrical For Air Conditioning EXAM| FREQUENTLY MOST TESTED QUESTIONS AND VERIFIED SOLUTION…
With the fan switch in the on b. run continuously
position, the indoor fan will,,,
Select one:
a. Run in cooling mode
b. run continuously
c. run only when the outdoor unit
runs
d. none of the above
What is the most common type of T- c. Low voltage
sat in the HVAC industry?
Select one:
a. Line voltage
b. Remote bulb
c. Low voltage
d. None of the above
What device is added to a oil or gas b. Fan Center
forced hot air system when it is not
AC ready?
Select one:
a. Fan limit switch
b. Fan Center
c. Multi Stage Thermostat
d. Mars Relay
https://quizlet.com/1195014375/hvac-final-exam-electrical-for-air-conditioning-exam-frequently-most-tested-questions-and-verified-solutions-2026-20… 2/25
, 7/16/26, 2:39 PM HVAC Final Exam Electrical For Air Conditioning EXAM| FREQUENTLY MOST TESTED QUESTIONS AND VERIFIED SOLUTION…
When a technician is taking an ohm b. OL
reading across an open switch what
should the reading be?
Select one:
a. 0
b. OL
c. Source Voltage
d. Some Number
What does the "Y" terminal connect b. Cooling Contactor
to on a wall mounted low voltage T-
stat?
Select one:
a. Outdoor fan relay
b. Cooling Contactor
c. Primary side of transformer
d. Indoor fan relay
In a transformer the ______________________ a. primary
winding is the windings to which
voltage is supplied and is considered
the load side of the transformer.
Select one:
a. primary
b. secondary
c. start
d. run
https://quizlet.com/1195014375/hvac-final-exam-electrical-for-air-conditioning-exam-frequently-most-tested-questions-and-verified-solutions-2026-20… 3/25
