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. Oil-fired floor furnaces shall be tested in accordance with UL _____________. A) 972 B) 729 C) 792 D) 279 2 / 50 2. Vented wall furnaces shall not circulate air from _________ to other parts of the building. A) Habitable rooms B) Bathrooms C) Sleeping Rooms D) Kitchens 3 / 50 3. Appliances located in private garages and carports shall be installed with a minimum clearance of ___________ feet (1829 mm) above the floor. A) 9 B) 8 C) 6 D) 5 4 / 50 4. Suspended oil-fired unit heaters shall be installed in accordance with __________. A) NFPA 37 B) NFPA 31 C) UL 731 D) UL 896 5 / 50 5. The code official has the authority to grant modifications to the code __________. A) for individual cases where the strict letter of the code is impractical B) related only to administrative functions C) where the intent and purpose of the code cannot be met D) for only those issues not affecting fire or life safety IMC 105.1 IMC 105.1 6 / 50 6. Potable water supplies to solar systems shall be protected against contamination in accordance with the                    . A) International Plumbing Code B) State Environmental Agency C) County health department D) Clean Water Act of 1964 IMC 1401.2 IMC 1401.2 7 / 50 7. One set of construction documents shall be kept                               until completion of the project. A) by the design professional in responsible charge B) at the job site C) by the permit applicant D) by the mechanical contractor IMC 106.4.6 IMC 106.4.6 8 / 50 8. In the case of an approved existing mechanical system in a factory with qualified personnel,                   for periodic alterations to the system. A) inspections are not required B) an approved agency must pull individual permits C) an annual permit may be issued D) permits are not required IMC 106.1.1 IMC 106.1.1 9 / 50 9. IMC chapter 14 specifically regulates the design and installation intended to use solar thermal energy for space heating and cooling, domestic hot water heating, swimming pool heating or                     heating A) Process B) Industrial C) Nonindustrial D) Exterior slab IMC 1401.1 IMC 1401.1 10 / 50 10. An application to the board of appeals shall be filed within                            days after a notice has been served. A) 30 B) 120 C) 20 D) 90 IMC 109.1 IMC 109.1 11 / 50 11. 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) 110 C) 75 D) 90 IMC 1402.3.1, 1006.4 IMC 1402.3.1, 1006.4 12 / 50 12. Sauna heaters shall be ___________. A) Protected by a guard B) Controlled by a timer C) Listed and labeled to UL 731 D) Supported by noncombustible materials 13 / 50 13. Protection of the potable water supply system serving cooling towers shall be ___________. A) In accordance with the equipment manufacturer’s instructions B) As required by the International Plumbing Code C) Determined by the municipal water provider D) Based on peak demand and the size of the water piping 14 / 50 14. Vented wall furnaces shall be located so that a door swing maintains a minimum clearance of ______ inches from any air inlet. A) 2 B) 6 C) 12 D) 18 15 / 50 15. 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) Occupied space C) Heat storage material D) Transfer duct IMC 1402.8.2.1 IMC 1402.8.2.1 16 / 50 16. Floor furnaces shall not be installed in___________ construction built on grade. A) combustible B) concrete floor C) treated wood D) noncombustible 17 / 50 17. The minimum side clearance to combustibles for a commercial clothes dryer shall be _________. A) 4 inches B) 8 inches C) 12 inches D) Determined by the manufacturer’s instructions 18 / 50 18. Heat exchangers used in domestic water heating systems shall be approved                        . A) For the intended use B) By a licensed mechanical engineer C) For the anticipated heat and pressure ranges D) By the manufacturer IMC 1401.2.8.4 IMC 1401.2.8.4 19 / 50 19. 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 20 / 50 20. Cooling towers shall be located to prevent ________________ from entering occupied spaces. A) Condensate B) Humidity C) Water D) Discharge vapor plumes 21 / 50 21. Factory-built barbecue appliances shall be of an approved type and installed in accordance with the IMC and the International __________ Code A) Fuel Gas B) Fire C) Building D) Energy Conservation 22 / 50 22. ______________ occupancy occurs where two or more occupancies are are located within the same building. A) Mixed B) None of the above C) Multiple D) Commercial 23 / 50 23. Electric commercial clothes dryers shall be tested in accordance with __________. A) UL 1996 B) UL 2158 C) UL 197 D) UL 1240 24 / 50 24. Access shall be provided to the solar thermal equipment for                        purposes. A) Heat reduction B) Maintenance C) Inspection D) Air circulation IMC 1402.8.2 and 604.2 IMC 1402.8.2 and 604.2 25 / 50 25. A                   shall not be used as a heat transfer fluid in a solar system A) Liquified oxidizing gas B) Class II combustible liquid C) Class IIIA combustible liquid D) Class IC flammable liquid IMC 1403.5 IMC 1403.5 26 / 50 26. Roof-mounted solar collectors that serve as the roof covering shall conform to the requirements of the         for roof coverings. A) International Residential Code B) International Building Code C) International Fire Code D) National Roofing Council IMC 1402.8.1.3 IMC 1402.8.1.3 27 / 50 27. Other than on the control side, a minimum clearance of ___ inches is required on all sides of a floor furnace. A) 6 B) 18 C) 24 D) 12 28 / 50 28. 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 29 / 50 29. ________________ is any appliance in which the products of combustion at the point of entrance to the flue under normal operating conditions have a temperature of more than 1,000 degrees F, but not greater than 2,000 degrees F. A) low-heat appliance B) residential appliance C) high-heat appliance D) medium-heat appliance 30 / 50 30. 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) 4 C) 12 D) 8 IMC 303.7 IMC 303.7 31 / 50 31. Combustion air requirements for appliances with power burners are determined by                         . A) research reports B) The manufacturer's instructions C) engineering calculations D) The known air infiltration rate method IFGC 304.1 IFGC 304.1 32 / 50 32. Appliances shall not be installed in a location subject to vehicle damage except                          A) when listed for that particular installation B) when installed behind steel barriers C) where protected by an approved means D) when installed per the manufacturer's installation instructions IFGC 303.4 IFGC 303.4 33 / 50 33. Galvanized steel ducts used for combustion air shall be constructed in accordance with the                       . A) International Mechanical Code (IMC) B) International Fuel Gas Code (IFGC) C) ACCA Manual D D) International Building Code (IBC) IFGC 304.11, Item 1 IFGC 304.11, Item 1 34 / 50 34. 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 35 / 50 35. Condensate piping for fuel burning condensing appliances shall maintain a minimum horizontal slope of                 units vertical in 12 units horizontal. A) 1/4 B) 3/8 C) 1/2 D) 1/8 IFGC 307.2 IFGC 307.2 36 / 50 36. The code official is authorized to accept reports of inspection by ____________. A) Specialized contractors B) Special inspectors C) Approved agencies or individuals D) Registered design professionals 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 Building Code (IBC) B) International Residential Code (IRC) C) International Mechanical Code (IMC) D) International Fuel Gas Code (IFGC) 38 / 50 38. Where a screen is installed at a combustion air opening, the mesh size shall not be smaller than            inch. A) 1/4 B) 1/8 C) 3/8 D) 1/2 IFGC 304.10 IFGC 304.10 39 / 50 39. If the permit has not been issued, an application for a permit is considered abandoned __________ days after the date of filing. A) 90 B) 120 C) 45 D) 180 40 / 50 40. 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) 18 B) 24 C) 6 D) 12 IFGC 305.4 IFGC 305.4 41 / 50 41. 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) 0.50 C) 21 D) 15 IFGC 304.9 IFGC 304.9 42 / 50 42. Holes bored in solid wood joists shall be located not less than                      inch(es) from the top and bottom joist. A) 1-1/2 B) 1 C) 1/2 D) 2 IFGC 302.3.2 IFGC 302.3.2 43 / 50 43. An installation is not required to be brought into compliance if it is _________ at the time of adoption of the code. A) Listed B) Labeled C) Lawfully in existence D) Operational 44 / 50 44. Where the air-infiltration-rate is unknown, a room or space providing indoor combustion air requires a minimum volume of                            cubic feet per 1,000 Btu/h of the appliance input rating. A) 25 B) 50 C) 15 D) 75 IFGC 304.5.1 IFGC 304.5.1 45 / 50 45. Where an appliance is located in an attic, a            is required at the access opening to the attic passageway. A) luminaire B) light switch C) level work surface D) receptacle outlet IFGC 306.3.1 IFGC 306.3.1 46 / 50 46. Tests performed by __________ may be required by the code official where there is insufficient evidence of code compliance. A) Design professional B) An approved agency C) The owner D) The contractor 47 / 50 47. Provided there are no unsafe conditions, classified _________ buildings are exempt from the provisions of the code. A) Police stations B) Public works C) Historic D) Fire stations 48 / 50 48. Where appliances are supported by a concrete slab, the slab shall extend at least                       inches above the adjoining grade. A) 9 B) 6 C) 4 D) 3 IFGC 305.7 IFGC 305.7 49 / 50 49. 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 50 / 50 50. 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) 3,3 B) 9,9 C) 12,12 D) 6,6 IFGC 304.6.1 IFGC 304.6.1 Your score is Share your results with your friends LinkedIn Facebook Twitter VKontakte
