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HVAC Journeyman Exam Study Guide, Exams of Industrial management

Goodwin CollegeIndustrial management

An hvac journeyman exam study guide, providing detailed information and code requirements related to various hvac system components and installations. It covers topics such as refrigeration systems, venting, ductwork, gas appliances, and electrical connections. The study guide seems to be aimed at preparing hvac technicians or journeymen for the hvac journeyman exam, which is likely a professional certification or licensing exam required in many jurisdictions to work as an hvac journeyman. A significant amount of technical details and code references, making it a valuable resource for hvac professionals seeking to expand their knowledge and skills in the field.

Typology: Exams

2023/2024

Available from 09/30/2024

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Hvac Journeyman Exam Exam Study
Guide
Latest Updated 2024/2025
Defects on gas piping or fittings shall be _____.(A) repaired(B) replaced or repaired and
retested(C) repaired by a certified welder(D) ignored, as the operating pressure is much less than
the air test. - ansB. Fitting shall be replaced or repaired and retested. UMC Section 1316.4.3
Every absorption refrigerating system supported from the ground shall rest on a concrete slab
extending not less than _____ the adjoining ground level.(A) 3 inches below(B) 3 inches above
(C) 6 inches below(D) 6 inches above. - ansB. Slab extending not less than 3" above the
adjoining ground level. UMC Section 1106.2
Any part of a venting system installed at an angle greater than 45 degrees from the vertical is
considered by code to be _____.(A) vertica(B) horizontal l (C) a flat vent (D) an offset vent -
ansB. any part of the venting installed at an angle GREATER than 45 degrees is considered by
this code to be Horizontal UMC Section 802.6.1.1
Listed transition ducts f or clothes dryers shall not exceed_____ feet in length. A.3 B.4 C.5 D.6. -
ansD. Dryers shall not exceed 6 feet in length. UMC Section 504.3.2.1
Industrial product-conveying ducts and their fittings for abrasive and nonabrasive dust or solid
materials shall be constructed of _____.(A) sheet meta(B) polyvinyl chloride l (C) fiberglass (D)
A and C apply - ansA. Shall Be Constructed of sheet metal. UMC Section. 5 0 6.1
Industrial product-conveying ducts and their fittings for abrasive and nonabrasive dust or solid
materials shall be constructed of _____.(A) sheet metal ((B) polyvinyl chloride C) fiberglass (D)
A and C apply - ansA 511.2
Unlisted vented gas fireplaces shall have a clearance at the sides and rear of not less than _____
inches. Is the Answer: A. 10" B. 12" C 16" D. 18". - ansD. clearance of an unlisted vented gas
fireplace at the sides and the rear not less than 18". UMC Section 908.2(B)
Leaks in gas piping shall be located _____.(A) with a sniffer(B) with a presto-lite flame (C) with
a noncorrosive leak-detecting fluid (D) by increasing the air pressure during a test until the leaks
are heard as a whistle. - ansC. leaks in a gas piping shall be located with a non corrosive leak
detecting fluid. UMC Section 1316.4.2
Condensate drain piping shall have a slope of not less than _____ inch per foot. A 1⁄8" B.¼"
C.½" D. 1" - ansA. Slope of not less than 1/8" per foot. UMC Section 309.1
The minimum gauge or size steel wire used to support horizontal metal ducts 10 inches or less in
size is _____. A.14 AWG B.16 AWG C.18 AWG D.20 AWG - ansC. 18 Minimum Gauge note:
AWG is the abbreviation for "gauge size" Table 6-7(B)
When smoke detectors are required as part of an automatic shutoff system, they shall be installed
in the _____. A. return air duct ahead of any fresh-air inlet(B) main supply air duct served by
such equipment(C) fresh-air inlet(D) main return and the main supply duct. - ansB. shall be
installed in the main supply air duct served by equipment. UMC Section 609.0(5)
The largest fuel-burning appliance allowed in a room 100'W x 20'L x 8'H without combustion air
openingsis _____ Btu.(A) 80,000 (C) 140,000(B) 100,000 (D) 320,000 - ans31 D. 701.2.1
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Guide

Latest Updated 2024/

Defects on gas piping or fittings shall be _____.(A) repaired(B) replaced or repaired and retested(C) repaired by a certified welder(D) ignored, as the operating pressure is much less than the air test. - ansB. Fitting shall be replaced or repaired and retested. UMC Section 1316.4. Every absorption refrigerating system supported from the ground shall rest on a concrete slab extending not less than _____ the adjoining ground level.(A) 3 inches below(B) 3 inches above (C) 6 inches below(D) 6 inches above. - ansB. Slab extending not less than 3" above the adjoining ground level. UMC Section 1106. Any part of a venting system installed at an angle greater than 45 degrees from the vertical is considered by code to be _____.(A) vertica(B) horizontal l (C) a flat vent (D) an offset vent - ansB. any part of the venting installed at an angle GREATER than 45 degrees is considered by this code to be Horizontal UMC Section 802.6.1. Listed transition ducts f or clothes dryers shall not exceed_____ feet in length. A.3 B.4 C.5 D.6. - ansD. Dryers shall not exceed 6 feet in length. UMC Section 504.3.2. Industrial product-conveying ducts and their fittings for abrasive and nonabrasive dust or solid materials shall be constructed of _____.(A) sheet meta(B) polyvinyl chloride l (C) fiberglass (D) A and C apply - ansA. Shall Be Constructed of sheet metal. UMC Section. 5 0 6. Industrial product-conveying ducts and their fittings for abrasive and nonabrasive dust or solid materials shall be constructed of _____.(A) sheet metal ((B) polyvinyl chloride C) fiberglass (D) A and C apply - ansA 511. Unlisted vented gas fireplaces shall have a clearance at the sides and rear of not less than _____ inches. Is the Answer: A. 10" B. 12" C 16" D. 18". - ansD. clearance of an unlisted vented gas fireplace at the sides and the rear not less than 18". UMC Section 908.2(B) Leaks in gas piping shall be located _____.(A) with a sniffer(B) with a presto-lite flame (C) with a noncorrosive leak-detecting fluid (D) by increasing the air pressure during a test until the leaks are heard as a whistle. - ansC. leaks in a gas piping shall be located with a non corrosive leak detecting fluid. UMC Section 1316.4. Condensate drain piping shall have a slope of not less than _____ inch per foot. A 1⁄8" B.¼" C.½" D. 1" - ansA. Slope of not less than 1/8" per foot. UMC Section 309. The minimum gauge or size steel wire used to support horizontal metal ducts 10 inches or less in size is _____. A.14 AWG B.16 AWG C.18 AWG D.20 AWG - ansC. 18 Minimum Gauge note: AWG is the abbreviation for "gauge size" Table 6-7(B) When smoke detectors are required as part of an automatic shutoff system, they shall be installed in the _____. A. return air duct ahead of any fresh-air inlet(B) main supply air duct served by such equipment(C) fresh-air inlet(D) main return and the main supply duct. - ansB. shall be installed in the main supply air duct served by equipment. UMC Section 609.0(5) The largest fuel-burning appliance allowed in a room 100'W x 20'L x 8'H without combustion air openingsis _____ Btu.(A) 80,000 (C) 140,000(B) 100,000 (D) 320,000 - ans31 D. 701.2.

Guide

Latest Updated 2024/

Return air ducts that serve a dwelling unit shall be permitted to be of _____ construction? A.non- combustible B. combustible C. rated D. none of the above. - ansB. Shall be permitted to be of combustible type UMC Section 602.2 Ex (1) Solid fuel-burning appliances _____ be connected to a venting system that serves a gas- or oil- burningappliance.(A) shall (B) may (C) shall not(D) with special approval may - ansC. appliances shall not UMC Section 802.5.5. Any joint obtained by joining of metal parts with alloys that melt at temperatures higher than 840°F, but lowerthan the melting temperature of the parts to be joined, is a _____ joint.(A) brazed(B) fused (D) soldered (C) welded - ansA. Is a brazed joint UMC section 2 1 2. A vessel or arrangement of piping or tubing in which vaporized refrigerant is liquefied by removal of heat is a _____.(A) compressor (C) evaporator(B) generator (D) condenser - ansD. A condenser is the piping which vaporizes the refrigerant liquefied by removal of heat, UMC Section 2 0 5. is a _____.(A) compressor (C) evaporator(B) generator (D) condenser - ans18 D 502. ... - ans19 C 1313. An appliance designed primarily to supply hot water equipped with automatic controls limiting water - ans20 B 1201.2.1. temperature to a maximum of 210°F is a _____.(A) water heater (C) expansion tank(B) steam boiler (D) gas heater. - ans21 A 507.1. ... - ans22 D 1129. A cooling coil is to be installed in a duct system containing an existing furnace heat exchanger. Unless - ans23 C 907. otherwise listed, the code requires that the air flows first through _____.(A) the heat exchanger (C) a diverter unit(B) the cooling coil (D) a bypass duct - ans24 C 903. ... - ans25 D 802.7.4. The space in which any floor furnace is installed shall be accessible by an opening in the foundation not - ans26 B 1312.3. less than _____.(A) 24'' x 24'' (C) 20'' x 20''(B) 24'' x 18'' (D) none of the above - ans27 C 507.2. ... - ans28 B 510.7. Buildings of more than _____ feet in height shall have an inside means of access to the roof.(A) 14 (C) 15 (B) 16 (D) 20 - ans29 C 701. ... - ansExxeption (1) The clearance above the top of a casing or appliance for an unlisted upflow furnace is _____ inches.(A) 12 (C) 8(B) 6 (D) 24 - ans30 D 1129. ... - ans31 D 701.2. When required clearance from the lowest portion of a floor furnace to the ground cannot be obtained, the - ans32 B 602.2 Ex (1)

Guide

Latest Updated 2024/

Evaporative coolers shall be accessible for inspection, service, and replacement without removing _____. (A) electrical panels (C) access doors(B) permanent construction (D) smoke detectors - ans52 A 903. Air-conditioning equipment shall have a means for interrupting the electrical supply within _____ from - ans53 D 1201.2.3. the equipment.(A) sight of and not more than 50 feet (C) sight of and not more than 35 feet(B) sight of and not more than 25 feet (D) the same story and not more than 25 feet - ans54 C 1014. Hydronic copper tube joints installed under a building and in or under a concrete slab shall be _____. - ans55 C 1313. (A) brazed(B) soldered, with 95 percent tin and 5 percent antimony solder(C) soldered, with 50 percent tin and 50 percent lead solder(D) silver brazed or equal - ans56 B 904.10. ... - ans57 A 1007. All boilers, tanks, and equipment shall be securely anchored to _____.(A) the floor (C) the structure(B) a frame (D) a base. - ans58 D 604. ... - ans59 B 502. Gas utilization equipment connected to a piping system shall have an accessible, approved manual shutoff - ans60 C 307. valve or a listed gas convenience outlet installed within _____ of the equipment it serves.(A) 3 feet (C) 6 feet(B) 18 inches (D) 4 feet - ans61 D 506.9. Equipment on roofs of buildings more than 15 feet in height shall have _____, unless other means - ans62 B 604. acceptable to the Authority Having Jurisdiction is used.(A) a permanent outside ladder fixed to the building for roof access(B) an inside means of access to the roof(C) permanent inside or outside means of access to the roof(D) a portable ladder means of access to the roof - ans63 A 510.8.2(B) ... - ans64 B 604. The main burner of a gas fired boiler shall have an approved manual shutoff valve installed _____. - ans65 B 205. (A) upstream of all control devices(B) downstream of all control devices(C) either upstream or downstream of all control devices(D) when no regulating valve is installed - ans66 C 504.3. Metal ducts installed in or under a concrete slab shall be _____.(A) insulated (C) encased in at least 2 inches of sand(B) protected from damage (D) encased in at least 2 inches of concrete - ans67 D 503. A flammable vapor or fume exceeds _____ percent of its lower flammability limit (LFL).(A) 10 (C) 50(B) 25 (D) 75 - ans68 C 504.3. Heating equipment located in rooms where cellulose nitrate plastic is stored or processed shall _____. - ans69 C 203. (A) be removed (C) comply with the Fire Code(B) be elevated 4 feet (D) have automatic controls

  • ans70 B 510.3.

Guide

Latest Updated 2024/

Exhaust outlets for ducts conveying explosive or flammable vapors, fumes, or dust shall terminate outside - ans71 A 504.3. the building and not closer to any property line than _____ feet. - ans72 C 517.4. (A) 6 (C) 20(C) 10 (D) 30 - ans73 C 508.4. Factory-made air ducts shall not be used for vertical risers serving more than _____.(A) one story (C) three stories(B) two stories (D) occupancy - ans74 B 509.2.4. The exhaust outlet for ducts serving commercial food heat-processing equipment terminating above the - ans75 B 905. roof shall have the exhaust flow directed up and away from the roof surface and a minimum of _____ above the roof surface.(A) 40 inches (C) 18 feet(B) 3 feet (D) 2 feet - ans76 A 609.0 Ex. 2 Metal ducts shall be securely fastened in place at _____.(A) 6 foot intervals (C) 10 foot intervals(B) each change of direction (D) 3 foot intervals - ans77 C 1126. A confined space is a room or space having a volume less than _____ cubic feet per 1,000 Btu/h of the - ans78 D 1109. aggregate input rating of all fuel-burning appliances installed in that space.(A) 20 (C) 100(B) 50 (D) 200 - ans79 A 701.3.1(1) Commercial clothes dryers' exhaust ducts shall _____. - ans80 C 405. (A) not exceed 14 feet in length including two 90 degree elbows(B) not exceed 16 feet in length including two 90 degree elbows(C) comply with the manufacturers' installation instructions(D) not pass through fire-rated construction - ans81 B 701.9(C) Liquid adhesive coatings used on listed air filters shall be of a type that will _____.(A) impede air flow (C) generate noise(B) clog easily (D) have a flash point of 350°F or higher. - ans82 B

Ducts for exhausting clothes dryers shall not be put together with _____.(A) draw bands (C) metal screws(B) solder (D) snap-lock joints. - ans83 C 504.3. A blower or fan used for the purpose of distributing supply air to a room, space, or area is a(an) _____.(A) absorption system (C) air-handling unit(B) appliance (D) portable cooling unit. - ans84 C 802.10.7(1) Exhaust fans with ductwork connected to both sides shall have access for cleaning and inspection within - ans85 B 802.10. _____ of each side of the fan.(A) 1 foot (C) 5 feet(B) 3 feet (D) 6 feet - ans86 D 504. When a closet is designed for the installation of a clothes dryer, a minimum opening of _____ square inches for makeup air shall be provided.(A) 100 (C) 175(B) 150 (D) 200 - ans87 B 803.2. Wall terminations of solid-fuel exhaust systems shall be _____.(A) 12 foot above grade (C) prohibited(B) permitted (D) screened - ans88 C 405. For canopy-type commercial cooking hoods, the inside edge thereof shall overhang or extend a horizontal - ans89 B 405.

Guide

Latest Updated 2024/

For each elbow greater than 45 degrees up to and including 90 degrees, the maximum common vent - ans... capacity listed in the venting tables shall be reduced by _____ percent.(A) 5 (C) 15(B) 10 (D) 20.

  • ans... All air ducts and fire dampers that are a portion of an evaporative cooling system shall comply with the - ans... requirements of _____.(A) SMACNA (C) the Uniform Mechanical Code(B) ASHRAE (D) the Fire Code. - ans... Every evaporative cooler supported directly by the ground shall be isolated from the ground by a level - ans... concrete slab extending not less than _____ the adjoining ground level.(A) 3 inches below (C) 6 inches above(B) 3 inches above (D) 6 inches below. - ans... Underground gas piping systems shall be installed with a minimum cover of _____ inches.(A) 6 (C) 18(B) 12 (D) 24. - ans... A _____ operated damper shall not be placed in any equipment vent connector.(A) automatically (C) manually(B) gear (D) air. - ans... Unlisted units heaters shall be installed with clearances to combustible material of not less than _____ - ans... inches.(A) 6 (C) 18(B) 12 (D) 24. - ans... _____ coolers shall be accessible for inspection, services, and replacement without removing permanent construction.(A) Walk-in (C) evaporative(B) beverage (D) swamp. - ans... The minimum gauge steel duct that can be used in a residence where the duct size is less than 14 inches - ans... in diameter is _____.(A) 24 (C) 28(B) 26 (D) 30. - ans... When installing an evaporative cooler, openings in exterior walls shall be _____.(A) 1 inch larger than the duct (C) 3 inches larger than the duct(B) flashed in an approved manner (D) the same size as the duct ._____ vent connectors shall not be smaller than the listed appliance categorized vent diameter, flue collar diameter, or draft hood outlet diameter.(A) Single wall (C) Listed(B) Type B (D) Corrugated. - ans... Modifications made to the supporting framework of buildings as a results of the installation of an evaporative cooler shall be in accordance with the _____ Code.(A) Mechanical (C) Fire(B) ASME (D) Building. - ans... A positive means of disconnect is required for electrical connections of more than _____ volts.(A) 25 (C) 120 (B) 50 (D) 240. - ans... Vent connectors shall not be upsized more than _____ sizes greater than the listed appliance categorized vent diameter, flue collar diameter, or draft hood outlet diameter.(A) three (C) two(B) four (D) seven - ans... Refrigeration systems shall be operated and maintained as required by the _____ Code.(A) Building (C) Uniform Mechanical(B) Fire (D) Life Safety. - ans...