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. Tests performed by may be required by the code official where there is insufficient evidence of code compliance. A) a design professional B) an approved agency C) the owner D) the contractor IMC 105.3 and 105.3.2 IMC 105.3 and 105.3.2 2 / 50 2. Bored holes for the installation of piping shall be located at least inch(es) from the top and bottom of a solid wood joist. A) 5/8 B) 1/2 C) 1 D) 2 IMC 302.3.1 IMC 302.3.1 3 / 50 3. ______________ occupancy occurs where two or more occupancies are are located within the same building. A) Mixed B) Multiple C) Commercial D) None of the above 4 / 50 4. Electric commercial clothes dryers shall be tested in accordance with __________. A) UL 1240 B) UL 2158 C) UL 197 D) UL 1996 5 / 50 5. Appliances installed in pits or excavations shall not come in __________ contact with the surrounding soil and shall be installed not less than 3 inches (76mm) above the pit floor A) direct B) indirect C) open D) close 6 / 50 6. System components shall be protected from any freezing that may be encountered during . A) The initial start-up process B) Periods of system nonoperation C) The operation of the system D) Testing of the system IMC 1402.4 IMC 1402.4 7 / 50 7. A shall not be used as a heat transfer fluid in a solar system A) Class IC flammable liquid B) Class IIIA combustible liquid C) Liquified oxidizing gas D) Class II combustible liquid IMC 1403.5 IMC 1403.5 8 / 50 8. 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 9 / 50 9. Access shall be provided to the solar thermal equipment for purposes. A) Inspection B) Air circulation C) Heat reduction D) Maintenance IMC 1402.8.2 and 604.2 IMC 1402.8.2 and 604.2 10 / 50 10. 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) place limitations on the use of the alternative material B) request additional information from the manufacturer C) state the reason for disapproval in writing to the applicant D) contact a third-party agency to authorize additional testing IMC 105.2 IMC 105.2 11 / 50 11. Unless doubled, studs within an exterior bearing wall may contain bored holes with a maximum diameter of percent of the stud depth. A) 33 1/3 B) 25 C) 40 D) 50 IMC 302.3.3 IMC 302.3.3 12 / 50 12. Solar thermal systems containing pressurized fluids shall be protected against pressures and temperatures exceeding design limitations with a valve. A) Pressure and Temperature relief B) Pop-off C) Temperature-reduction D) Drain-down IMC 1402.3 IMC 1402.3 13 / 50 13. In bearing partitions, wood studs may be cut or notched to a maximum depth of percent of the stud depth. A) 50 B) 60 C) 33 1/3 D) 25 IMC 302.3.2 IMC 302.3.2 14 / 50 14. Where a relief valve is required in a solar energy system, the valve shall be set at a maximum of percent of the nameplate pressure rating. A) 100 B) 90 C) 110 D) 75 IMC 1402.3.1, 1006.4 IMC 1402.3.1, 1006.4 15 / 50 15. Oil-fired floor furnaces shall be tested in accordance with UL _____________. A) 972 B) 792 C) 729 D) 279 16 / 50 16. Which of the following appliances must be tested in accordance with UL 730? A) Oil-fired vented wall heaters B) Unvented gas log heaters C) Fireplace stoves D) Factory-built barbecues 17 / 50 17. Copper Alloy Tubing shall be supported every _______ feet when in a horizontal position. A) 6 B) 10 C) 2 D) 8 18 / 50 18. Mechanical systems shall be tested, with such tests made by the permit holder and observed by the . A) mechanical inspector B) general contractor C) mechanical contractor D) code official IMC 107.3 IMC 107.3 19 / 50 19. The quality of water supplied to evaporative cooling equipment shall be in accordance with the ________. A) Listing of the pump B) Regulating authority C) International Plumbing Code D) Equipment manufacturers recommendation 20 / 50 20. In general, solar thermal equipment exposed to vehicle traffic shall be installed a minimum of feet above the floor. A) 12 B) 8 C) 10 D) 6 IMC 1402.6 IMC 1402.6 21 / 50 21. Mechanical systems in structures located in flood hazard areas shall be located at or above the . A) elevation required by the IBC B) high water level C) highest flood stage D) 100 year flood level IMC 301.16 IMC 301.16 22 / 50 22. Every occupied space shall be ventilated by natural or ____________ means A) controlled B) artificial C) filtered D) mechanical 23 / 50 23. Hangers for a suspended unit heater must be ________. A) Noncombustible B) Designed by a registered design professional C) Provided by the appliance manufacturer D) Steel angle iron 24 / 50 24. Heating, ventilating and air conditioning systems shall be designed and installed for efficient use of energy in accordance with the . A) International Building Code® B) International Fuel Gas Code® C) International Plumbing Code® D) International Energy Conservation Code® IMC 301.2 IMC 301.2 25 / 50 25. Suspended oil-fired unit heaters shall be installed in accordance with __________. A) NFPA 31 B) UL 896 C) NFPA 37 D) UL 731 26 / 50 26. The board of appeals is not authorized to rule on an appeal based on a claim that . A) the rules have been incorrectly interpreted B) a code requirement should be waived C) the provisions of the code do not fully apply D) a better form of construction is provided IMC 109.1 and 109.1.1 IMC 109.1 and 109.1.1 27 / 50 27. Vented wall furnaces shall be located so that a door swing maintains a minimum clearance of ______ inches from any air inlet. A) 12 B) 2 C) 18 D) 6 28 / 50 28. The code official has the authority to __________ the provisions of the code. A) violate B) ignore C) interpret D) waive IMC 104.1 IMC 104.1 29 / 50 29. A permanent warning notice shall be attached to the sauna room, stating in part “Do not exceed ______ minutes in sauna.” A) 30 B) 60 C) 90 D) 45 30 / 50 30. Once a permit has expired because the authorized work was not commenced or was suspended/abandoned, a new permit may be issued at one-half the amount required for a new permit, provided the work has not been abandoned for more than . A) 30 days B) 180 days C) 90 days D) one year IMC 106.4.3 IMC 106.4.3 31 / 50 31. The IFGC regulates piping systems for natural gas with an operating pressure of _________ psig or less. A) 125 B) 100 C) 90 D) 25 32 / 50 32. Tests performed by __________ may be required by the code official where there is insufficient evidence of code compliance. A) An approved agency B) The owner C) The contractor D) Design professional 33 / 50 33. 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 34 / 50 34. 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) 2 B) 1/2 C) 1 D) 1-1/2 IFGC 308.2, Note e IFGC 308.2, Note e 35 / 50 35. Unlisted appliances . A) May be approved based upon an approved engineering evaluation B) Are permitted to be installed in accordance with the manufacturer's installation instructions C) Require testing conducted by the manufacturer D) Are not allowed to be installed 301.3 301.3 36 / 50 36. Appliances shall not be installed in a location subject to vehicle damage except A) when installed per the manufacturer's installation instructions B) when listed for that particular installation C) where protected by an approved means D) when installed behind steel barriers IFGC 303.4 IFGC 303.4 37 / 50 37. Holes bored in solid wood joists shall be located not less than inch(es) from the top and bottom joist. A) 1 B) 1-1/2 C) 2 D) 1/2 IFGC 302.3.2 IFGC 302.3.2 38 / 50 38. Where used, draft hoods and draft barometric regulators shall be installed A) at the appliance vent connection B) in a room adjacent to the appliances C) in the same room as the appliance D) on the roof of the building IFGC 304.3 IFGC 304.3 39 / 50 39. Where approved roof-mounted fall-restraint devices are installed in place of a required guard, the devices must be installed every feet or less along the ridge line. A) 15 B) 10 C) 20 D) 25 IFGC 306.6, Exception IFGC 306.6, Exception 40 / 50 40. When using the known air-infiltration-rate method for indoor combustion air, the maximum infiltration rate that can be used in the equations is ACH. A) 1.0 B) 2.0 C) 0.60 D) 0.75 IFGC 304.5.2 IFGC 304.5.2 41 / 50 41. Condensate waste and drain lines shall be not less than -inch internal diameter. A) 1/2 B) 3/4 C) 5/8 D) 1 IFGC 307.3 IFGC 307.3 42 / 50 42. 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) 3 B) 2 C) 4 D) 1 IFGC 304.5.3.2 IFGC 304.5.3.2 43 / 50 43. Only in an emergency situation that poses an immediate hazard to life or property is the code official authorized to _______________. A) require disconnection of utility service B) condemn the installation C) declare the installation unsafe D) post a stop work order 44 / 50 44. 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 45 / 50 45. Appliances in structures located in flood hazard areas shall be located at or above the . A) Elevation required by the IBC B) Freeboard C) High water level D) 100-year flood level IFGC 301.11 IFGC 301.11 46 / 50 46. A 30-inch high attic passageway serving a gas appliance is limited in length to no more than feet. A) 12 B) 20 C) 18 D) 14 IFGC 306.3 IFGC 306.3 47 / 50 47. When the provisions of the FGC are applicable, a change of occupancy requires _____________. A) Inspected B) Certification of occupancy C) Approval D) Permits 48 / 50 48. Equipment and appliances having an ignition source shall in Group H Occupancies or control areas where open use, handling or dispensing of combustible,” flammable or explosive materials occurs. A) be isolated in a separate room B) be listed as flammable ignition resistant C) be elevated D) not be installed IFGC 305.2 IFGC 305.2 49 / 50 49. Conversion of an appliance to a different fuel gas is allowed if in accordance with the instructions. A) Contractor’s B) Inspector’s C) Engineer’s D) Manufacturer’s IFGC 301.7.1 IFGC 301.7.1 50 / 50 50. 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 Your score is Share your results with your friends LinkedIn Facebook Twitter VKontakte