Practice Mechanical Journeyman Untimed (Light Theme) 21 January 2024 by hvacpracticetest.com Report a question What’s wrong with this question? You cannot submit an empty report. Please add some details. Practice Mechanical Journeyman Untimed (Light Theme) Practice Mechanical Journeyman Untimed (Light Theme) 1 / 50 1. The board of appeals is not authorized to rule on an appeal based on a claim that . A) the provisions of the code do not fully apply B) the rules have been incorrectly interpreted C) a code requirement should be waived D) a better form of construction is provided IMC 109.1 and 109.1.1 IMC 109.1 and 109.1.1 2 / 50 2. Which of the following appliances must be tested in accordance with UL 730? A) Oil-fired vented wall heaters B) Factory-built barbecues C) Unvented gas log heaters D) Fireplace stoves 3 / 50 3. Solar thermal systems containing pressurized fluids shall be protected against pressures and temperatures exceeding design limitations with a valve. A) Drain-down B) Pop-off C) Pressure and Temperature relief D) Temperature-reduction IMC 1402.3 IMC 1402.3 4 / 50 4. Appliances shall not be installed in a location where they may be subject to mechanical damage unless they are . A) protected by approved barriers B) elevated at least 18 inches above the floor C) approved by the code official D) braced and anchored to the structural framing IMC 303.4 IMC 303.4 5 / 50 5. Access shall be provided to the solar thermal equipment for purposes. A) Inspection B) Heat reduction C) Air circulation D) Maintenance IMC 1402.8.2 and 604.2 IMC 1402.8.2 and 604.2 6 / 50 6. The flash point of heat transfer fluids used in solar systems in Group F or H occupancies shall not be lower . A) Unless approved B) Unless permitted by the mechanical engineer C) Than one-half of the ambient temperature of the space D) Than one-half of the operating range IMC 1403.5 IMC 1403.5 7 / 50 7. Cooling towers and fluid coolers shall be provided with _____________. A) Access B) Limited access C) Ready access D) Restricted access 8 / 50 8. A person holding a permit has the right to apply for an extension, provided the permit . A) is less than 60 days old B) is unexpired C) has been expired for less than one year D) has only been granted one previous extension IMC 106.4.4 IMC 106.4.4 9 / 50 9. Cuts, notches and bored holes are prohibited in structural composite lumber, except where . A) approved by the building inspector B) they are located in a bearing wall C) the effects are considered in the design D) they are limited in size, number and location IMC 302.3.4 IMC 302.3.4 10 / 50 10. In order for an alternative material, design or method of construction to be considered acceptable, it must be equivalent to the code based on all but which of the following criteria? A) durability B) strength C) fire resistance D) economics IMC 105.2 IMC 105.2 11 / 50 11. Studs used in nonbearing partitions are permitted to be cut or notched to a maximum depth of percent of the stud depth. A) 60 B) 40 C) 25 D) 33 1/3 IMC 302.3.2 IMC 302.3.2 12 / 50 12. Unless adequately separated vertically, plume discharges from cooling towers shall be a minimum of __________ feet away from any ventilation inlets to a building. A) 10 B) 25 C) 20 D) 5 13 / 50 13. Appliances that are part of the building mechanical system shall not be converted to a different fuel, except where approved and in accordance with the instructions. A) manufacturer’s B) mechanical engineer's C) mechanical inspector's D) mechanical contractor's IMC 301.12 IMC 301.12 14 / 50 14. Ducts utilized in solar heating shall have sufficient thermal insulation to limit the exposed surface temperature to ˚F. A) 120 B) 150 C) 135 D) 110 IMC 1402.2 IMC 1402.2 15 / 50 15. Wall register floor furnaces shall be placed a minimum of ___________ inches from a corner. A) 8 B) 6 C) 4 D) 12 16 / 50 16. Radiant heat system panels installed on wood or steel framing shall be installed ___________ framing members or shall be mounted between framing members A) Perpendicular to B) Spanning a minimum of two C) Parallel to D) within ¼ inch of 17 / 50 17. What is the minimum required size of a hearth extension for a factory-built fireplace? A) As set forth in the fireplace listing B) A hearth extension is not required C) Twice the size of the firebox opening D) 60 inches long by 20 inches wide 18 / 50 18. Roof and wall penetrations shall be flashed and sealed to prevent entry of . A) Moisture and wind B) Water, rodents and insects C) Wind and rain D) Rain, ice and snow IMC 1402.7.2 IMC 1402.7.2 19 / 50 19. Fireplace stoves shall be tested in accordance with UL __________________ A) 127 B) 737 C) 797 D) 1482 20 / 50 20. The installation of a(n) is prohibited. A) oil-fired boiler in a storage closet B) direct-vent appliance in a bathroom C) wood burning fireplace in a sleeping room D) fuel-fired furnace in a crawl space IMC 303.3 IMC 303.3 21 / 50 21. The code official shall require construction documents and specifications to be prepared by a registered design professional when . A) there are questions related to energy conservation B) the proposal does not comply with the code C) required by state law D) required by the jurisdictional attorney IMC 106.3.1 IMC 106.3.1 22 / 50 22. An unvented gas log heater may be installed in a factory-built fireplace where the _____________ A) Gas log heater complies with the International Fuel Gas code B) Installation is approved by a mechanical engineer C) Gas log heater has been listed and labeled for such use D) Fireplace has been listed and labeled for such use 23 / 50 23. A permanent warning notice shall be attached to the sauna room, stating in part “Do not exceed ______ minutes in sauna.” A) 60 B) 45 C) 30 D) 90 24 / 50 24. Mechanical systems in structures located in flood hazard areas shall be located at or above the . A) highest flood stage B) elevation required by the IBC C) 100 year flood level D) high water level IMC 301.16 IMC 301.16 25 / 50 25. Which of the following installations is permitted to be backfilled prior to an underground inspection? A) ground source heat pump loop systems B) underground ducts of approved materials C) hydronic piping systems D) drainage pipe exceeding 8 inches in diameter IMC 107.2 Exception IMC 107.2 Exception 26 / 50 26. Where the depth of an excavation housing an appliance exceeds 12 inches below the adjoining grade, the walls of the pit or excavation shall be lined with concrete or masonry extending a minimum of inches above adjoining grade. A) 4 B) 10 C) 12 D) 8 IMC 303.7 IMC 303.7 27 / 50 27. Walls enclosing occupiable rooms where food is stored, served or sold shall be constructed to protect against the entrance of in accordance with the building code. A) termites B) rodents C) outside air D) moisture IMC 301.17 IMC 301.17 28 / 50 28. The quality of water supplied to evaporative cooling equipment shall be in accordance with the ________. A) International Plumbing Code B) Listing of the pump C) Equipment manufacturers recommendation D) Regulating authority 29 / 50 29. Floor furnaces shall be placed a minimum of ___________ inches from the nearest wall. A) 4 B) 6 C) 12 D) 8 30 / 50 30. The code official has the authority to __________ the provisions of the code. A) interpret B) waive C) ignore D) violate IMC 104.1 IMC 104.1 31 / 50 31. Suspended mechanical equipment shall be installed a minimum of inches above the adjoining grade. A) 6 B) 3 C) 12 D) 8 IFGC 305.7 IFGC 305.7 32 / 50 32. For a clearance reduction system using ventilated air space, the system shall maintain an air space clearance to combustible materials of at least inch(es). A) 1/2 B) 1-1/2 C) 1 D) 2 IFGC 308.2, Note e IFGC 308.2, Note e 33 / 50 33. Reduced clearance protective assemblies for gas appliances shall be placed a minimum of inch(es) from the appliance. A) 1 B) 1/2 C) 1-1/2 D) 2 IFGC 308.2, Note i IFGC 308.2, Note i 34 / 50 34. Within dwelling units, unobstructed are permitted to convey combustion air. A) Chases enclosing chimneys B) Shafts C) Stud and joist spaces D) Chimneys IFGC 304.11, Item 1 Exception IFGC 304.11, Item 1 Exception 35 / 50 35. Appliances shall not be installed in a location subject to vehicle damage except A) where protected by an approved means B) when installed behind steel barriers C) when listed for that particular installation D) when installed per the manufacturer's installation instructions IFGC 303.4 IFGC 303.4 36 / 50 36. The maximum length of an electrical bonding jumper for a corrugated stainless steel tubing (CSST) system is feet. A) 25 B) 100 C) 75 D) 150 IFGC 310.2.3 IFGC 310.2.3 37 / 50 37. Fuel gas installations in detached one- and two-family dwellings and multiple single-family dwellings (townhouses) not more than three stories in height with separate means of egress must comply with the ___________ A) International Mechanical Code (IMC) B) International Fuel Gas Code (IFGC) C) International Building Code (IBC) D) International Residential Code (IRC) 38 / 50 38. Where a reduction in clearance to combustible materials is permitted, the side clearance for an appliance is permitted to be reduced from 12 inches to a minimum of inches by installing No. 24 gage galvanized sheet metal with a ventilated air space A) 9 B) 3 C) 6 D) 4 IFGC 308.2 IFGC 308.2 39 / 50 39. Where used, draft hoods and draft barometric regulators shall be installed A) on the roof of the building B) in a room adjacent to the appliances C) at the appliance vent connection D) in the same room as the appliance IFGC 304.3 IFGC 304.3 40 / 50 40. _________ provide supporting documentation to verify that an alternative material or assembly complies with the intent of the code. A) Manufacturer's instructions B) Inspection reports C) Research reports D) Construction documents 41 / 50 41. The permit or a copy shall be kept on the site of the work __________. A) For one year after the work is completed B) Until a certificate of occupancy is issued C) Until work commences D) Until completion of the project 42 / 50 42. A mechanical combustion air system shall supply outdoor air at a rate not less than cfm per 1,000 Btu/h of total input rating of all appliances located within the space. A) 0.35 B) 15 C) 0.50 D) 21 IFGC 304.9 IFGC 304.9 43 / 50 43. The code official has the authority to allow temporary connection of an installation to the sources of energy for the purpose of ________________. A) Construction B) Testing C) Cooling D) Lighting 44 / 50 44. Where mechanical exhaust interferes with the operation of an appliance, is required. (SHALL BE PROVIDED) A) an interlock between the appliance and exhaust fan B) an appliance enclosure C) makeup air D) an automatic appliance shut-off device IFGC 304.4 IFGC 304.4 45 / 50 45. Combustion air requirements for appliances with power burners are determined by . A) engineering calculations B) The manufacturer's instructions C) The known air infiltration rate method D) research reports IFGC 304.1 IFGC 304.1 46 / 50 46. Where vehicles are capable of passing under an appliance installed in a public garage. the appliance shall be installed a minimum of inches higher than the tallest vehicle garage door opening. A) 24 B) 18 C) 6 D) 12 IFGC 305.4 IFGC 305.4 47 / 50 47. Appliances located in an attic shall be provided with a level service space not less than inches deep and inches wide. A) 30,24 B) 30,30 C) 24,30 D) 30,36 IFGC 306.3 IFGC 306.3 48 / 50 48. Notching at the ends of wood joists shall not exceed the joist depth. A) 3/8 B) 1/8 C) 1/2 D) 1/4 IFGC 302.3.2 IFGC 302.3.2 49 / 50 49. Notches in the flange of a cold-formed steel stud in a bearing wall A) cannot exceed 3 inches in length B) are not allowed C) must be at least 16 inches from the bearing end D) must be spaced at least 24 inches IFGC 302.6 IFGC 302.6 50 / 50 50. Openings obtaining indoor combustion air from a different story require a total minimum free area of square inch(es) per 1,000 Btu/h of the total input rating of appliances. A) 1 B) 3 C) 4 D) 2 IFGC 304.5.3.2 IFGC 304.5.3.2 Your score is Share your results with your friends LinkedIn Facebook Twitter VKontakte