KY HVAC JOURNEYMAN EXAM NEWEST 2026
ACTUAL EXAM QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED ANSWERS) ALL
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The mechanical draft system vent shall vertically terminate at
least ______ below window or gravity air inlet for the building:
a: 4 feet
b: 3 feet
c: 1.5 feet
d: 5 feet - ✔✔✔ Correct Answer > a: 4 feet
Refer: IMC Code 804.3.5.4
Ducts that operate at temperatures exceeding ______ shall have
sufficient thermal insulation to limit the exposed surface
temperature
a: 120°F
b: 150°F
c: 200°F
d: 250°F - ✔✔✔ Correct Answer > a: 120°F
Refer: IMC Code 604.2
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The ventilation rate for repair garages for natural and hydrogen
fueled vehicles shall be at least _____ cubic foot per minute per 12
cubic feet of room volume:
a: 1.5
b: 2
c: 1
d: 3 - ✔✔✔ Correct Answer > c: 1
Refer: IMC Code 502.16.1
______ is the Refrigerants removed from a system in any
condition without necessarily testing or processing them:
a: Recovered Refrigerants
b: Restored Refrigerants
c: Reclaimed Refrigerants
d: Reusable Refrigerants - ✔✔✔ Correct Answer > a: Recovered
Refrigerants
Refer: IMC Code - Definitions
The maximum air temperature within nonmetallic ducts shall not
exceed ______ :
a: 250°F
b: 150°F
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c: 200°F
d: 300°F - ✔✔✔ Correct Answer > a: 250°F
Refer: IMC Code 603.5
Fuel Oil is defined as Kerosene or any hydrocarbon oil having a
flash point not less than ____:
a: 150°F
b: 250°F
c: 225°F
d: 100°F - ✔✔✔ Correct Answer > d: 100°F
Refer: IMC Code - Definitions
Automatic operation of the system shall not reduce the
ventilation airflow rate below _____ cfm per square foot of the
enclosed parking garage floor area
a: 0.05
b: 0.5
c: 5
d: 50 - ✔✔✔ Correct Answer > a: 0.05
Refer: IMC Code 404.2
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Ozone cabinets and ozone gas-generator rooms for systems
having a maximum ozone generating capacity of 1/2 pound (0.23
kg) or more over a 24-hour period shall be mechanically
ventilated at a rate of not less than ______ air changes per hour:
a: 5
b: 6
c: 10
d: 12 - ✔✔✔ Correct Answer > b: 6
Refer: IMC Code 509.9.9
The PVC duct for domestic kitchen cooking appliances equipped
with downdraft exhaust system shall extend not more than _____
above the indoor concrete floor surface:
a: 1 inch
b: 2 inch
c: 1.5 inch
d: 2.5 inch - ✔✔✔ Correct Answer > a: 1 inch
Refer: IMC Code 505.1 Exp 2.3
The operating temperature of fire damper actuating device shall
be approximately _____ above the normal temperature within the
duct system
a: 50°F