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. A(n) ________ shall be installed ahead of all controls for a vented wall furnace. A) Manual shutoff valve B) Regulating valve C) Flexible connector D) Automatic shutoff valve 2 / 50 2. 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) 75 C) 90 D) 110 IMC 1402.3.1, 1006.4 IMC 1402.3.1, 1006.4 3 / 50 3. Cuts, notches and bored holes are prohibited in structural composite lumber, except where . A) the effects are considered in the design B) approved by the building inspector C) they are located in a bearing wall D) they are limited in size, number and location IMC 302.3.4 IMC 302.3.4 4 / 50 4. Labels on pressurized water storage tanks shall clarify that the specifications apply to the . A) Water storage tank B) Entire solar system C) Solar collector D) Transfer unit IMC 1404.2 IMC 1404.2 5 / 50 5. Unless adequately separated horizontally, plume discharges from cooling towers shall be a minimum of ______________ feet above any ventilation inlets to a building. A) 3 B) 5 C) 4 D) 6 6 / 50 6. The minimum side clearance to combustibles for a commercial clothes dryer shall be _________. A) 12 inches B) 4 inches C) 8 inches D) Determined by the manufacturer’s instructions 7 / 50 7. 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) one year C) 180 days D) 90 days IMC 106.4.3 IMC 106.4.3 8 / 50 8. Studs used in nonbearing partitions are permitted to be cut or notched to a maximum depth of percent of the stud depth. A) 33 1/3 B) 40 C) 25 D) 60 IMC 302.3.2 IMC 302.3.2 9 / 50 9. 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) Fireplace has been listed and labeled for such use D) Gas log heater has been listed and labeled for such use 10 / 50 10. When requirements necessary for proper operation of a proposed mechanical system are not specifically covered by the code, such requirements shall be determined by . A) a registered design B) the code official C) the board of appeals D) a licensed contractor professional IMC 102.9 IMC 102.9 11 / 50 11. A mechanical system that constitutes a fire or health hazard shall be declared . A) unlawful B) a fire hazard C) a nuisance D) an unsafe system IMC 108.7 IMC 108.7 12 / 50 12. In bearing partitions, wood studs may be cut or notched to a maximum depth of percent of the stud depth. A) 33 1/3 B) 50 C) 60 D) 25 IMC 302.3.2 IMC 302.3.2 13 / 50 13. When located within a repair garage, appliances with an ignition source shall be elevated such that the ignition source is a minimum of inches above the garage floor. A) 18 B) 12 C) 16 D) 20 IMC 304.3 IMC 304.3 14 / 50 14. The shall be responsible for the scheduling of inspections. A) mechanical inspector B) mechanical contractor C) holder of the permit D) design professional IMC 107.2 and 107.2.2 IMC 107.2 and 107.2.2 15 / 50 15. Except for , heat exchangers shall be labeled to indicate the type of heat exchanger used. A) Single-wall with leak protection B) Double-wall without leak protection C) Single-wall without leak protection D) Double-wall with leak protection IMC 1404.4 IMC 1404.4 16 / 50 16. The location of cooling towers on the property shall be as required in accordance with the International _____________ Code. A) Zoning B) Fire C) Mechanical D) Building 17 / 50 17. 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) 60 C) 40 D) 50 IMC 1403.1 IMC 1403.1 18 / 50 18. The discharge of the air shall be to the outdoors in accordance with Chapter 5. Exhaust from mechanical ventilation systems shall be discharged not less than _______ feet from a property line or openings into buildings. A) 20 B) 8 C) 16 D) 12 19 / 50 19. Sides of pits or excavations used for appliance locations shall be held back a minimum of inches from the equipment. A) 15 B) 10 C) 5 D) 12 IMC 303.7 IMC 303.7 20 / 50 20. Mechanical systems shall be tested, with such tests made by the permit holder and observed by the . A) mechanical contractor B) code official C) mechanical inspector D) general contractor IMC 107.3 IMC 107.3 21 / 50 21. 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) close B) open C) direct D) indirect 22 / 50 22. When provided to control the main burner operation of a sauna heater, a timer shall have a maximum operating time of __________ minutes. A) 30 B) 60 C) 90 D) 45 23 / 50 23. In the case of an approved existing mechanical system in a factory with qualified personnel, for periodic alterations to the system. A) permits are not required B) an annual permit may be issued C) an approved agency must pull individual permits D) inspections are not required IMC 106.1.1 IMC 106.1.1 24 / 50 24. 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) 1 B) 2 C) 5/8 D) 1/2 IMC 302.3.1 IMC 302.3.1 25 / 50 25. The shall be responsible for the maintenance of the mechanical systems. A) owner or owner’s agent B) maintenance staff C) person occupying the structure D) installing contractor IMC 102.3 IMC 102.3 26 / 50 26. 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) high water level D) 100 year flood level IMC 301.16 IMC 301.16 27 / 50 27. Suspended oil-fired unit heaters shall be installed in accordance with __________. A) NFPA 31 B) UL 896 C) NFPA 37 D) UL 731 28 / 50 28. Cooling towers shall be located to prevent ________________ from entering occupied spaces. A) Condensate B) Water C) Humidity D) Discharge vapor plumes 29 / 50 29. 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) the provisions of the code do not fully apply 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 30 / 50 30. A permit is not required for a self-contained refrigeration system that contains a maximum of pound(s) of refrigerant. A) 20 B) 5 C) 1 D) 10 IMC 106.2 #7 IMC 106.2 #7 31 / 50 31. Required guards installed around rooftop service platforms shall be not less than inches in height. A) 48 B) 30 C) 36 D) 42 IFGC 306.5.1 IFGC 306.5.1 32 / 50 32. 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) 25 C) 10 D) 50 IFGC 302.3.3 IFGC 302.3.3 33 / 50 33. The code official is authorized to accept reports of inspection by ____________. A) Special inspectors B) Registered design professionals C) Approved agencies or individuals D) Specialized contractors 34 / 50 34. 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) 21 B) 15 C) 0.35 D) 0.50 IFGC 304.9 IFGC 304.9 35 / 50 35. When the provisions of the FGC are applicable, a change of occupancy requires _____________. A) Permits B) Certification of occupancy C) Approval D) Inspected 36 / 50 36. Only in an emergency situation that poses an immediate hazard to life or property is the code official authorized to _______________. A) declare the installation unsafe B) post a stop work order C) require disconnection of utility service D) condemn the installation 37 / 50 37. The bonding jumper used to bond corrugated stainless steel tubing (CSST) gas piping to the grounding system shall be not smaller than AWG copper wire or equivalent. A) 10 B) 8 C) 6 D) 12 IFGC 310.2.2 IFGC 310.2.2 38 / 50 38. A permit is not required for the installation of a __________. A) Portable heating appliance B) Vented gas fireplace C) Electric heat pump system D) Natural gas system 39 / 50 39. Unless otherwise protected from impact, appliances located in a public garage shall be installed a minimum of feet above the floor. A) 12 B) 10 C) 8 D) 15 IFGC 305.4 IFGC 305.4 40 / 50 40. Where used, draft hoods and draft barometric regulators shall be installed A) at the appliance vent connection B) in the same room as the appliance C) in a room adjacent to the appliances D) on the roof of the building IFGC 304.3 IFGC 304.3 41 / 50 41. One set of construction documents shall be kept __________ while work is in progress. A) At the job site B) With original designer C) With the contractor D) With building owner 42 / 50 42. Provided there are no unsafe conditions, classified _________ buildings are exempt from the provisions of the code. A) Public works B) Fire stations C) Historic D) Police stations 43 / 50 43. The code official has the authority to ____________ the provisions of the code. A) Waive B) Ignore C) Violate D) Interpret 44 / 50 44. 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) 0.75 C) 2.0 D) 0.60 IFGC 304.5.2 IFGC 304.5.2 45 / 50 45. The purpose of this code is to provide _____________ standards to safeguard life or limb, health, property and public welfare. A) Consensus B) Maximum C) Acceptable D) Minimum 46 / 50 46. Unless located within a dwelling unit, rooms containing appliances shall be provided with a door and an unobstructed passageway measuring not less than inches wide and 80 inches high. A) 30 B) 36 C) 24 D) 32 IFGC 306.2 IFGC 306.2 47 / 50 47. An installation is not required to be brought into compliance if it is _________ at the time of adoption of the code. A) Lawfully in existence B) Operational C) Listed D) Labeled 48 / 50 48. For a label affixed to a listed fuel gas appliance, which of the following is not required information? A) If the appliance is rated for 120 or 220 volt alternating current B) The approved fuel C) The minimum required clearances D) The appliance Btu/hour rating 301.5 301.5 49 / 50 49. When installed in a bedroom, a single wall-mounted unvented room heater is limited to an input rating not greater than Btu/h. A) 10,000 B) 5,000 C) 6,000 D) 8,000 IFGC 303.3, Item 4 IFGC 303.3, Item 4 50 / 50 50. Condensate piping for fuel burning condensing appliances shall maintain a minimum horizontal slope of units vertical in 12 units horizontal. A) 1/8 B) 3/8 C) 1/2 D) 1/4 IFGC 307.2 IFGC 307.2 Your score is Share your results with your friends LinkedIn Facebook Twitter VKontakte