HVAC JOURNEYMAN EXAM SCRIPT 250
TESTED QUESTIONS WITH DETAILED
SOLUTIONS GUARANTEED TO PASS
⩥ Return air shall not be taken from any of the following: (A)Kitchen
(B)Bathroom/water closet (C)Unconditioned attic (D)All of the above.
Answer: all of the above (IMC 601.5.2 & 601.5.7)
⩥ Relief valves shall be piped to discharge _____.(A)Near the floor (C)6
feet above the floor(B)Above the roof (D)6 feet from a window or door.
Answer: Near the floor (Fuel Gas Code 10.3.6.1)
⩥ Round metallic ducts shall be mechanically fastened by means of not
less than ___ sheet metal screws or rivets spaced equally around the
joint: (A)5 (B)3 (C)4 (D)6.
Answer: 3 (IMC 603.4.1)
⩥ Type L vents shall terminate not less than ___ feet above the highest
point of the roof penetration: (A)2 '(B)3' (C)5' (D)4'.
Answer: 2' (IMC 802.5)
⩥ Unlisted vented gas fireplaces shall have a clearance at the sides and
rear of not less than: (A)6" (B)12" (C)18" (D)24".
,Answer: 18" (Fuel Gas Code, 10.7.2.2)
⩥ Where located adjacent to walkways, the horizontal termination of a
mechanical draft system shall be not less than ___ feet above the
walkway: (A)6' (B)10' (C)8' (D)7'.
Answer: 7' (IMC 804.3.4.1)
⩥ BTU is the abbreviation for ___, which is the quantity of heat required
to raise the temperature of 1Lb of water 1*F (A)Boiling Temperature
Unit (B)British Thermal Unit (C)British Temperature Utensil (D)British
Thermal Utensil.
Answer: British Thermal Unit (IMC, Chapter 2)
⩥ Air necessary for complete combustion of a fuel, including theoretical
air and excess air: (A)Exhaust air (B)Supply air (C)Combustion air
(D)Make-up air.
Answer: Combustion air (IMC, Chapter 2)
⩥ Equipment and appliances having an ignition source and located in
hazardous locations and public garages, and private garages... Shall be
located such that the source of ignition is not less than ___ inches above
the floor: (A)6" (B)18" (C)24" (D)36".
Answer: 18" (IMC 304.3)
, ⩥ Appliances located in public garages, motor fueling-dispensing
facilities, repair garages, or other areas frequented by motor vehicles
shall be a minimum of ___ feet above the floor: (A)8' (B)10' (C)6'
(D)12'.
Answer: 8' (IMC 304.6)
⩥ The operating temperature of a fire damper actuating device shall be
approximately ___ degrees F above the normal temperature within the
duct system (A)100 (B)125 (C)75 (D)50.
Answer: 50 (IMC 607.3.3.1.1)
⩥ Solid fuel burning appliances ___ be connected to a venting system
that serves a gas or oil burning appliance: (A)Shall (B)Shall not (C)With
approval from the fire marshal (D)With approval from a competent
person.
Answer: Shall not (Fuel Gas Code, 12.6.5.1)
⩥ Type B gravity vent shall terminate what minimum distance above the
highest vent collar it serves? (A)7' (B)9' (C)5' (D)3'.
Answer: 7'
⩥ Termination locations for gas vents with listed caps 12" or less in size
at least ___ feet from a vertical wall: (A)8' (B)10' (C)4' (D)3'.
Answer: 8'
TESTED QUESTIONS WITH DETAILED
SOLUTIONS GUARANTEED TO PASS
⩥ Return air shall not be taken from any of the following: (A)Kitchen
(B)Bathroom/water closet (C)Unconditioned attic (D)All of the above.
Answer: all of the above (IMC 601.5.2 & 601.5.7)
⩥ Relief valves shall be piped to discharge _____.(A)Near the floor (C)6
feet above the floor(B)Above the roof (D)6 feet from a window or door.
Answer: Near the floor (Fuel Gas Code 10.3.6.1)
⩥ Round metallic ducts shall be mechanically fastened by means of not
less than ___ sheet metal screws or rivets spaced equally around the
joint: (A)5 (B)3 (C)4 (D)6.
Answer: 3 (IMC 603.4.1)
⩥ Type L vents shall terminate not less than ___ feet above the highest
point of the roof penetration: (A)2 '(B)3' (C)5' (D)4'.
Answer: 2' (IMC 802.5)
⩥ Unlisted vented gas fireplaces shall have a clearance at the sides and
rear of not less than: (A)6" (B)12" (C)18" (D)24".
,Answer: 18" (Fuel Gas Code, 10.7.2.2)
⩥ Where located adjacent to walkways, the horizontal termination of a
mechanical draft system shall be not less than ___ feet above the
walkway: (A)6' (B)10' (C)8' (D)7'.
Answer: 7' (IMC 804.3.4.1)
⩥ BTU is the abbreviation for ___, which is the quantity of heat required
to raise the temperature of 1Lb of water 1*F (A)Boiling Temperature
Unit (B)British Thermal Unit (C)British Temperature Utensil (D)British
Thermal Utensil.
Answer: British Thermal Unit (IMC, Chapter 2)
⩥ Air necessary for complete combustion of a fuel, including theoretical
air and excess air: (A)Exhaust air (B)Supply air (C)Combustion air
(D)Make-up air.
Answer: Combustion air (IMC, Chapter 2)
⩥ Equipment and appliances having an ignition source and located in
hazardous locations and public garages, and private garages... Shall be
located such that the source of ignition is not less than ___ inches above
the floor: (A)6" (B)18" (C)24" (D)36".
Answer: 18" (IMC 304.3)
, ⩥ Appliances located in public garages, motor fueling-dispensing
facilities, repair garages, or other areas frequented by motor vehicles
shall be a minimum of ___ feet above the floor: (A)8' (B)10' (C)6'
(D)12'.
Answer: 8' (IMC 304.6)
⩥ The operating temperature of a fire damper actuating device shall be
approximately ___ degrees F above the normal temperature within the
duct system (A)100 (B)125 (C)75 (D)50.
Answer: 50 (IMC 607.3.3.1.1)
⩥ Solid fuel burning appliances ___ be connected to a venting system
that serves a gas or oil burning appliance: (A)Shall (B)Shall not (C)With
approval from the fire marshal (D)With approval from a competent
person.
Answer: Shall not (Fuel Gas Code, 12.6.5.1)
⩥ Type B gravity vent shall terminate what minimum distance above the
highest vent collar it serves? (A)7' (B)9' (C)5' (D)3'.
Answer: 7'
⩥ Termination locations for gas vents with listed caps 12" or less in size
at least ___ feet from a vertical wall: (A)8' (B)10' (C)4' (D)3'.
Answer: 8'
