Practice Mechanical Journeyman Untimed (Dark Theme) 26 January 202418 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 (Dark Theme) Practice Mechanical Journeyman Untimed 1 / 50 1. The mechanical provisions of the International Residential Code are applicable to one and two-family dwellings and townhouses a maximum of stories above grade plane in height. A) four B) one C) three D) two IMC 101.2, Exception IMC 101.2, Exception 2 / 50 2. Where all solar system piping is a part of the potable water distribution system and all components of the solar system piping are listed for potable use, cross-connection protection measures are . A) Prohibited B) Required C) Not required D) Of no value IMC 1401.2, exception IMC 1401.2, exception 3 / 50 3. Wall register floor furnaces shall be placed a minimum of ___________ inches from a corner. A) 8 B) 6 C) 12 D) 4 4 / 50 4. ______________ occupancy occurs where two or more occupancies are are located within the same building. A) Commercial B) Multiple C) Mixed D) None of the above 5 / 50 5. The minimum flash point of the actual heat transfer fluid utilized in a solar system shall be ˚F above the design maximum nonoperating temperature of the fluid attained in the collector. A) 70 B) 40 C) 60 D) 50 IMC 1403.1 IMC 1403.1 6 / 50 6. 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 7 / 50 7. 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 8 / 50 8. 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) mechanical engineer's B) mechanical contractor's C) manufacturer’s D) mechanical inspector's IMC 301.12 IMC 301.12 9 / 50 9. In general, floor furnaces shall have a minimum clearance from grade of not less than ________ inches. A) 24 B) 6 C) 12 D) 18 10 / 50 10. A mechanical system that constitutes a fire or health hazard shall be declared . A) an unsafe system B) unlawful C) a nuisance D) a fire hazard IMC 108.7 IMC 108.7 11 / 50 11. The minimum side clearance to combustibles for a commercial clothes dryer shall be _________. A) 8 inches B) Determined by the manufacturer’s instructions C) 4 inches D) 12 inches 12 / 50 12. Where the code official finds that a proposed alternative material does not comply with the intent of the code provisions, the code official shall __________. A) contact a third-party agency to authorize additional testing B) request additional information from the manufacturer C) state the reason for disapproval in writing to the applicant D) place limitations on the use of the alternative material IMC 105.2 IMC 105.2 13 / 50 13. Bored holes shall not be nearer than inch to the edge of the stud. A) 5/8 B) 1/2 C) 3/4 D) 1/4 IMC 302.3.3 IMC 302.3.3 14 / 50 14. Heat exchangers used in domestic water heating systems shall be approved . A) By a licensed mechanical engineer B) By the manufacturer C) For the intended use D) For the anticipated heat and pressure ranges IMC 1401.2.8.4 IMC 1401.2.8.4 15 / 50 15. Suspended oil-fired unit heaters shall be installed in accordance with __________. A) UL 896 B) UL 731 C) NFPA 31 D) NFPA 37 16 / 50 16. Air transported to occupied spaces through rock or dust-producing materials by means other than natural convection shall be filtered before entering the . A) Supply air stream B) Heat storage material C) Occupied space D) Transfer duct IMC 1402.8.2.1 IMC 1402.8.2.1 17 / 50 17. Sides of pits or excavations used for appliance locations shall be held back a minimum of inches from the equipment. A) 15 B) 12 C) 10 D) 5 IMC 303.7 IMC 303.7 18 / 50 18. A shall not be used as a heat transfer fluid in a solar system A) Class IC flammable liquid B) Liquified oxidizing gas C) Class IIIA combustible liquid D) Class II combustible liquid IMC 1403.5 IMC 1403.5 19 / 50 19. Sauna heaters shall be equipped with a thermostat that will limit room temperature to a maximum of ___________ ˚F. A) 175 B) 180 C) 186 D) 194 20 / 50 20. Solar thermal systems containing pressurized fluids shall be protected against pressures and temperatures exceeding design limitations with a valve. A) Pop-off B) Pressure and Temperature relief C) Drain-down D) Temperature-reduction IMC 1402.3 IMC 1402.3 21 / 50 21. For studs in a nonbearing partition, the maximum permitted diameter of a bored hole is . percent of the depth of the stud. A) 25 B) 60 C) 33 1/3 D) 50 IMC 302.3.3 IMC 302.3.3 22 / 50 22. An application to the board of appeals shall be filed within days after a notice has been served. A) 120 B) 30 C) 90 D) 20 IMC 109.1 IMC 109.1 23 / 50 23. One set of construction documents shall be kept until completion of the project. A) by the design professional in responsible charge B) by the permit applicant C) at the job site D) by the mechanical contractor IMC 106.4.6 IMC 106.4.6 24 / 50 24. 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) 12 B) 8 C) 10 D) 4 IMC 303.7 IMC 303.7 25 / 50 25. System components shall be protected from any freezing that may be encountered during . A) The operation of the system B) The initial start-up process C) Periods of system nonoperation D) Testing of the system IMC 1402.4 IMC 1402.4 26 / 50 26. A permit is not required for a self-contained refrigeration system that contains a maximum of pound(s) of refrigerant. A) 5 B) 1 C) 20 D) 10 IMC 106.2 #7 IMC 106.2 #7 27 / 50 27. For a radiant heating panel attached to wood framing, fasteners shall be a minimum of _______ inch from any element. A) 1 B) 1/4 C) 1/2 D) 3/4 28 / 50 28. Provisions of an appendix do not apply unless . A) relevant to fire or life safety B) specifically adopted C) applicable to unique conditions D) specified in the code IMC 102.2.1 IMC 102.2.1 29 / 50 29. Holes in webs of cold-formed steel studs in a nonbearing wall can be a maximum inches in length. A) 10 B) 2 C) 6 D) 4 IMC 303.5.3 IMC 303.5.3 30 / 50 30. Cooking appliances installed within areas where domestic cooking operations occur shall be listed and labeled as _________-type appliance for domestic use. A) Noncommercial B) Residential C) Household D) Limited 31 / 50 31. Galvanized steel ducts used for combustion air shall be constructed in accordance with the . A) International Building Code (IBC) B) International Fuel Gas Code (IFGC) C) International Mechanical Code (IMC) D) ACCA Manual D IFGC 304.11, Item 1 IFGC 304.11, Item 1 32 / 50 32. Unlisted appliances . A) Are permitted to be installed in accordance with the manufacturer's installation instructions B) May be approved based upon an approved engineering evaluation C) Are not allowed to be installed D) Require testing conducted by the manufacturer 301.3 301.3 33 / 50 33. Appliances located in an attic shall be provided with a level service space not less than inches deep and inches wide. A) 24,30 B) 30,30 C) 30,36 D) 30,24 IFGC 306.3 IFGC 306.3 34 / 50 34. Where a space is provided outdoor combustion air through two openings, one opening must begin within inches of the top and within inches of the bottom of the enclosure. A) 9,9 B) 6,6 C) 12,12 D) 3,3 IFGC 304.6.1 IFGC 304.6.1 35 / 50 35. 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) 6 C) 3 D) 4 IFGC 308.2 IFGC 308.2 36 / 50 36. Where the opening dimensions are large enough to allow removal of the largest pieces of equipment installed in an under-floor space, the clear access opening to the under-floor area shall be a minimum of . A) 18 inches by 24 inches B) 22 inches by 24 inches C) 30 inches by 30 inches D) 22 inches by 30 inches IFGC 306.4 IFGC 306.4 37 / 50 37. Where an appliance is located in an attic, a is required at the access opening to the attic passageway. A) light switch B) luminaire C) receptacle outlet D) level work surface IFGC 306.3.1 IFGC 306.3.1 38 / 50 38. 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 39 / 50 39. When installed in a bedroom, a single wall-mounted unvented room heater is limited to an input rating not greater than Btu/h. A) 6,000 B) 10,000 C) 8,000 D) 5,000 IFGC 303.3, Item 4 IFGC 303.3, Item 4 40 / 50 40. A 30-inch high attic passageway serving a gas appliance is limited in length to no more than feet. A) 14 B) 18 C) 12 D) 20 IFGC 306.3 IFGC 306.3 41 / 50 41. For a label affixed to a listed fuel gas appliance, which of the following is not required information? A) The approved fuel B) The minimum required clearances C) If the appliance is rated for 120 or 220 volt alternating current D) The appliance Btu/hour rating 301.5 301.5 42 / 50 42. An automatic appliance shut-off device is required for condensate pumps located . A) in an attic B) in a basement C) more than 10 feet from the condensing appliance D) in a mechanical room IFGC 307.6 IFGC 307.6 43 / 50 43. The IFGC does not apply to ________________. A) LP-gas piping systems B) Oxygen-fuel gas cutting systems C) Gas appliance ventilation air D) Gaseous hydrogen systems 44 / 50 44. Conversion of an appliance to a different fuel gas is allowed if in accordance with the instructions. A) Manufacturer’s B) Engineer’s C) Contractor’s D) Inspector’s IFGC 301.7.1 IFGC 301.7.1 45 / 50 45. Where a space is provided outdoor combustion air through a single opening, a clearance of at least inches is required in front of the appliance. A) 12 B) 10 C) 5 D) 6 IFGC 304.6.2 IFGC 304.6.2 46 / 50 46. The permit or a copy shall be kept on the site of the work __________. A) Until work commences B) For one year after the work is completed C) Until completion of the project D) Until a certificate of occupancy is issued 47 / 50 47. A permit is not required for the installation of a __________. A) Electric heat pump system B) Vented gas fireplace C) Natural gas system D) Portable heating appliance 48 / 50 48. Catwalks installed to provide the required access to rooftop equipment shall be a minimum of inches wide. A) 36 B) 24 C) 30 D) 18 IFGC 306.5 IFGC 306.5 49 / 50 49. Reduced clearance protective assemblies for gas appliances shall be placed a minimum of inch(es) from the appliance. A) 2 B) 1-1/2 C) 1 D) 1/2 IFGC 308.2, Note i IFGC 308.2, Note i 50 / 50 50. In bearing partitions, any wood stud is permitted to be cut or notched to a depth not exceeding percent of its width. A) 40 B) 50 C) 10 D) 25 IFGC 302.3.3 IFGC 302.3.3 Your score is Share your results with your friends LinkedIn Facebook Twitter VKontakte
