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. ______________ occupancy occurs where two or more occupancies are are located within the same building. A) Multiple B) Mixed C) None of the above D) Commercial 2 / 50 2. Mechanical systems shall be tested, with such tests made by the permit holder and observed by the . A) mechanical contractor B) mechanical inspector C) general contractor D) code official IMC 107.3 IMC 107.3 3 / 50 3. Ducts shall have a minimum slope of ________ inch per foot to allow drainage to a point provided with access. A) ½ B) ⅛ C) ¼ D) ⅓ 4 / 50 4. If a thermostat is not an integral part of the sauna heater, a heat-sensing element shall be located a maximum of ___________ inches below the ceiling. A) 6 B) 12 C) 8 D) 4 5 / 50 5. Ducts shall not be attached to vented wall furnaces ____________. A) Under any conditions B) Unless listed as part of the appliance C) Unless if noncombustible construction D) Unless of a temporary nature 6 / 50 6. Heat exchangers used in domestic water heating systems shall be approved . A) By a licensed mechanical engineer B) For the anticipated heat and pressure ranges C) By the manufacturer D) For the intended use IMC 1401.2.8.4 IMC 1401.2.8.4 7 / 50 7. Roof and wall penetrations shall be flashed and sealed to prevent entry of . A) Water, rodents and insects B) Moisture and wind C) Rain, ice and snow D) Wind and rain IMC 1402.7.2 IMC 1402.7.2 8 / 50 8. Unless listed for such an installation, a unit heater shall not be __________. A) Installed in a hazardous location B) Placed closer than 20 inches to combustible construction C) Installed on combustible construction D) Attached to a warm-air duct system 9 / 50 9. 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) two B) three C) one D) four IMC 101.2, Exception IMC 101.2, Exception 10 / 50 10. Holes in webs of cold-formed steel studs in a nonbearing wall can be a maximum inches in length. A) 6 B) 10 C) 4 D) 2 IMC 303.5.3 IMC 303.5.3 11 / 50 11. Except for , heat exchangers shall be labeled to indicate the type of heat exchanger used. A) Double-wall without leak protection B) Single-wall with leak protection C) Double-wall with leak protection D) Single-wall without leak protection IMC 1404.4 IMC 1404.4 12 / 50 12. Masonry fireplaces shall be constructed in accordance with ___________________ A) TMS 0216 B) The international fuel gas code (IFGC) C) NCMA TEK 5 D) The international building code (IBC) 13 / 50 13. Copper Alloy Tubing shall be supported every _______ feet when in a horizontal position. A) 6 B) 2 C) 10 D) 8 14 / 50 14. 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) Transfer duct C) Heat storage material D) Occupied space IMC 1402.8.2.1 IMC 1402.8.2.1 15 / 50 15. 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) 20 B) 18 C) 16 D) 12 IMC 304.3 IMC 304.3 16 / 50 16. Protection of the potable water supply system serving cooling towers shall be ___________. A) Based on peak demand and the size of the water piping B) As required by the International Plumbing Code C) In accordance with the equipment manufacturer’s instructions D) Determined by the municipal water provider 17 / 50 17. Appliances shall not be installed in a location where they may be subject to mechanical damage unless they are . A) braced and anchored to the structural framing B) elevated at least 18 inches above the floor C) protected by approved barriers D) approved by the code official IMC 303.4 IMC 303.4 18 / 50 18. Equipment, materials or products to which have been affixed a label, seal, symbol or other identifying mark of a nationally recognized testing laboratory, approved agency or other organization concerned with product evaluation that maintains periodic inspection of the production of the labeled items and whose label indicates either that the equipment, material or product meets identified standards or has been tested and found suitable for a specific purpose. A) Listed B) Labeled C) Approved D) Tested 19 / 50 19. Sides of pits or excavations used for appliance locations shall be held back a minimum of inches from the equipment. A) 5 B) 10 C) 12 D) 15 IMC 303.7 IMC 303.7 20 / 50 20. 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) one year B) 30 days C) 90 days D) 180 days IMC 106.4.3 IMC 106.4.3 21 / 50 21. Floor furnaces shall not be installed in___________ construction built on grade. A) noncombustible B) concrete floor C) combustible D) treated wood 22 / 50 22. 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) 33 1/3 C) 60 D) 50 IMC 302.3.3 IMC 302.3.3 23 / 50 23. The board of appeals is not authorized to rule on an appeal based on a claim that . A) a code requirement should be waived B) a better form of construction is provided C) the rules have been incorrectly interpreted D) the provisions of the code do not fully apply IMC 109.1 and 109.1.1 IMC 109.1 and 109.1.1 24 / 50 24. 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) 60 C) 50 D) 25 IMC 302.3.2 IMC 302.3.2 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) hydronic piping systems C) drainage pipe exceeding 8 inches in diameter D) underground ducts of approved materials IMC 107.2 Exception IMC 107.2 Exception 26 / 50 26. Heating, ventilating and air conditioning systems shall be designed and installed for efficient use of energy in accordance with the . A) International Plumbing Code® B) International Building Code® C) International Fuel Gas Code® D) International Energy Conservation Code® IMC 301.2 IMC 301.2 27 / 50 27. Registers for floor furnaces shall be placed a minimum of ___________ inches from draperies and similar combustible materials. A) 12 B) 4 C) 8 D) 6 28 / 50 28. 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) 10 B) 8 C) 4 D) 12 IMC 303.7 IMC 303.7 29 / 50 29. Where roof-mounted solar collectors serve as the roof covering, the use of plastic solar collectors is exempt from the building code’s general roof covering requirements if the collector cover meets the requirements for . A) Foam plastic B) Plastic roof panels C) Plastic Glazing D) Plastic skylights IMC 1402.8.1.3, exception IMC 1402.8.1.3, exception 30 / 50 30. Suspended oil-fired unit heaters shall be installed in accordance with __________. A) UL 731 B) NFPA 37 C) NFPA 31 D) UL 896 31 / 50 31. Provided there are no unsafe conditions, classified _________ buildings are exempt from the provisions of the code. A) Historic B) Fire stations C) Public works D) Police stations 32 / 50 32. The IFGC regulates piping systems for natural gas with an operating pressure of _________ psig or less. A) 25 B) 90 C) 100 D) 125 33 / 50 33. The minimum dimension of an outdoor combustion air opening is inches. A) 8 B) 12 C) 3 D) 6 IFGC 304.6 IFGC 304.6 34 / 50 34. Notching at the ends of wood joists shall not exceed the joist depth. A) 1/4 B) 1/2 C) 3/8 D) 1/8 IFGC 302.3.2 IFGC 302.3.2 35 / 50 35. 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 36 / 50 36. Cuts, notches and bored holes are prohibited in trusses except where . A) Approved by the building inspector B) The effects are specifically considered in the design C) Limited in size, number and location D) Located in nonbearing members IFGC 302.3.1 IFGC 302.3.1 37 / 50 37. The __________ is not required on an application for a permit. A) Type of construction B) Location of work C) Proposed occupancy D) Described work 38 / 50 38. Appliances having an ignition sources shall be elevated such that the ignition source is not less than inches above the floor in a private garage. A) 6 B) 12 C) 30 D) 18 IFGC 305.3 IFGC 305.3 39 / 50 39. One set of construction documents shall be kept __________ while work is in progress. A) With the contractor B) At the job site C) With building owner D) With original designer 40 / 50 40. The IFGC does not apply to ________________. A) Oxygen-fuel gas cutting systems B) Gas appliance ventilation air C) LP-gas piping systems D) Gaseous hydrogen systems 41 / 50 41. 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) 0.60 B) 2.0 C) 1.0 D) 0.75 IFGC 304.5.2 IFGC 304.5.2 42 / 50 42. 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) 5,000 D) 8,000 IFGC 303.3, Item 4 IFGC 303.3, Item 4 43 / 50 43. 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) 12 D) 6 IFGC 310.2.2 IFGC 310.2.2 44 / 50 44. Where mechanical exhaust interferes with the operation of an appliance, is required. (SHALL BE PROVIDED) A) an automatic appliance shut-off device B) an appliance enclosure C) makeup air D) an interlock between the appliance and exhaust fan IFGC 304.4 IFGC 304.4 45 / 50 45. Required guards installed around rooftop service platforms shall be not less than inches in height. A) 36 B) 48 C) 42 D) 30 IFGC 306.5.1 IFGC 306.5.1 46 / 50 46. 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) 6 B) 4 C) 9 D) 3 IFGC 308.2 IFGC 308.2 47 / 50 47. Where a screen is installed at a combustion air opening, the mesh size shall not be smaller than inch. A) 3/8 B) 1/2 C) 1/4 D) 1/8 IFGC 304.10 IFGC 304.10 48 / 50 48. The _________ shall be responsible for the maintenance of fuel gas installations. A) Occupant of the structure B) Owner or owner's authorized agent C) Contractor that services the equipment D) Code authority 49 / 50 49. Unless otherwise protected from impact, appliances located in a public garage shall be installed a minimum of feet above the floor. A) 8 B) 15 C) 10 D) 12 IFGC 305.4 IFGC 305.4 50 / 50 50. 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) 25 B) 20 C) 15 D) 10 IFGC 306.6, Exception IFGC 306.6, Exception Your score is Share your results with your friends LinkedIn Facebook Twitter VKontakte
