KY HVAC Journeyman Questions And Answers | Updated Solutions | 100% Correct Answers

KY HVAC Journeyman
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 - CORRECT 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% - CORRECT 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 - CORRECT 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 - CORRECT ANSWER-d: 1/8 inch
Refer: IMC Code 603.8.1

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 - CORRECT 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 - CORRECT 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 - CORRECT 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 - CORRECT ANSWER-a: 7 feet
Refer: IMC Code 804.3.5.1


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 - CORRECT 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 - CORRECT 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 - CORRECT ANSWER-b: 15 psi