KY HVAC JOURNEYMAN EXAM 2024 NEWEST
100 QUESTIONS AND DETAILED ANSWERS
ALREADY GRADED A+.NEW!!!
Liquid adhesive coatings used on air filters for air conditioning or heating systems shall have a
flash point not lower than _______ :
a: 200°F
b: 250°F
c: 350°F
d: 325°F - ANSWER>>d: 325°F
Refer: IMC Code 605.1
Connectors shall connect to a chimney flue at a point not less than ______ above the lowest
portion of the interior of the chimney flue:
a: 10 inches
b: 12 inches
c: 16 inches
d: 14 inches - ANSWER>>b: 12 inches
Refer: IMC Code 801.12
Liquids having flash points at or above 100°F (38°C) and below 140°F (60°C) comes under
________ combustible liquid:
a: Class I
b: Class II
c: Class IIIA
d: Class IIIB - ANSWER>>b: Class II
Where located adjacent to walkways, the vertical termination of mechanical draft systems shall
be not less than ______ above the level of the walkway:
a: 7 feet
b: 5 feet
c: 3 feet
d: 4 feet - ANSWER>>a: 7 feet
Refer: IMC Code 804.3.5.1
,Commercial kitchen Grease duct systems serving a Type I hood shall be designed and installed
to provide an air velocity within the duct system of not less than ______ feet per minute:
a: 1000
b: 500
c: 400
d: 250 - ANSWER>>b: 500
Refer: IMC Code 506.3.4
The minimum openable area to the outdoors shall be ____ of the floor area being naturally
ventilated:
a: 6%
b: 8%
c: 4%
d: 2% - ANSWER>>c: 4%
Refer: IMC Code 504.7
Fire dampers are not required at penetrations of shafts where the steel exhaust subducts
extend at least _______ vertically in exhaust shafts provided that there is a continuous airflow
upward to the outdoors:
a: 25 inches
b: 22 inches
c: 32 inches
d: 28 inches - ANSWER>>b: 22 inches
Refer: IMC Code 607.5.5 Exp 1.1
Underground Ducts shall have a minimum slope of _______ per foot to allow drainage to a
point provided with access:
a: 1/2 inch
b: 1/6 inch
c: 1/4 inch
d: 1/8 inch - ANSWER>>d: 1/8 inch
Refer: IMC Code 603.8.1
Masonry chimney flues shall be provided with a cleanout opening having a minimum height of
______ :
a: 6 inches
b: 12 inches
c: 8 inches
, d: 10 inches - ANSWER>>a: 6 inches
Refer: IMC Code 801.13
Commercial Kitchen Exhaust equipment serving a Type I hood shall have a clearance to
combustible construction of not less than ______ :
a: 30 inches
b: 12 inches
c: 24 inches
d: 18 inches - ANSWER>>d: 18 inches
Refer: IMC Code 506.5.4
Steam-Heating Boiler operated at pressures not exceeding ______ for steam:
a: 20 psi
b: 15 psi
c: 10 psi
d: 25 psi - ANSWER>>b: 15 psi
Refer: IMC Code - Definitions
Commercial cloth dryer ducts shall have a minimum clearance of _____ to combustible
materials:
a: 9 inches
b: 12 inches
c: 8 inches
d: 6 inches - ANSWER>>d: 6 inches
Refer: IMC Code 504.7
The vent horizontal termination point for a mechanical draft system shall not be located closer
than _____ to an interior corner formed by two walls perpendicular to each other.
a: 5 feet
b: 6 feet
c: 4 feet
d: 3 feet - ANSWER>>d: 3 feet
Refer: IMC Code 804.3.4.4
Breathing Zone region shall be more than _______ from the walls of the space or from fixed air-
conditioning equipment:
a: 3 feet
b: 1.5 feet
100 QUESTIONS AND DETAILED ANSWERS
ALREADY GRADED A+.NEW!!!
Liquid adhesive coatings used on air filters for air conditioning or heating systems shall have a
flash point not lower than _______ :
a: 200°F
b: 250°F
c: 350°F
d: 325°F - ANSWER>>d: 325°F
Refer: IMC Code 605.1
Connectors shall connect to a chimney flue at a point not less than ______ above the lowest
portion of the interior of the chimney flue:
a: 10 inches
b: 12 inches
c: 16 inches
d: 14 inches - ANSWER>>b: 12 inches
Refer: IMC Code 801.12
Liquids having flash points at or above 100°F (38°C) and below 140°F (60°C) comes under
________ combustible liquid:
a: Class I
b: Class II
c: Class IIIA
d: Class IIIB - ANSWER>>b: Class II
Where located adjacent to walkways, the vertical termination of mechanical draft systems shall
be not less than ______ above the level of the walkway:
a: 7 feet
b: 5 feet
c: 3 feet
d: 4 feet - ANSWER>>a: 7 feet
Refer: IMC Code 804.3.5.1
,Commercial kitchen Grease duct systems serving a Type I hood shall be designed and installed
to provide an air velocity within the duct system of not less than ______ feet per minute:
a: 1000
b: 500
c: 400
d: 250 - ANSWER>>b: 500
Refer: IMC Code 506.3.4
The minimum openable area to the outdoors shall be ____ of the floor area being naturally
ventilated:
a: 6%
b: 8%
c: 4%
d: 2% - ANSWER>>c: 4%
Refer: IMC Code 504.7
Fire dampers are not required at penetrations of shafts where the steel exhaust subducts
extend at least _______ vertically in exhaust shafts provided that there is a continuous airflow
upward to the outdoors:
a: 25 inches
b: 22 inches
c: 32 inches
d: 28 inches - ANSWER>>b: 22 inches
Refer: IMC Code 607.5.5 Exp 1.1
Underground Ducts shall have a minimum slope of _______ per foot to allow drainage to a
point provided with access:
a: 1/2 inch
b: 1/6 inch
c: 1/4 inch
d: 1/8 inch - ANSWER>>d: 1/8 inch
Refer: IMC Code 603.8.1
Masonry chimney flues shall be provided with a cleanout opening having a minimum height of
______ :
a: 6 inches
b: 12 inches
c: 8 inches
, d: 10 inches - ANSWER>>a: 6 inches
Refer: IMC Code 801.13
Commercial Kitchen Exhaust equipment serving a Type I hood shall have a clearance to
combustible construction of not less than ______ :
a: 30 inches
b: 12 inches
c: 24 inches
d: 18 inches - ANSWER>>d: 18 inches
Refer: IMC Code 506.5.4
Steam-Heating Boiler operated at pressures not exceeding ______ for steam:
a: 20 psi
b: 15 psi
c: 10 psi
d: 25 psi - ANSWER>>b: 15 psi
Refer: IMC Code - Definitions
Commercial cloth dryer ducts shall have a minimum clearance of _____ to combustible
materials:
a: 9 inches
b: 12 inches
c: 8 inches
d: 6 inches - ANSWER>>d: 6 inches
Refer: IMC Code 504.7
The vent horizontal termination point for a mechanical draft system shall not be located closer
than _____ to an interior corner formed by two walls perpendicular to each other.
a: 5 feet
b: 6 feet
c: 4 feet
d: 3 feet - ANSWER>>d: 3 feet
Refer: IMC Code 804.3.4.4
Breathing Zone region shall be more than _______ from the walls of the space or from fixed air-
conditioning equipment:
a: 3 feet
b: 1.5 feet
