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. 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 2 / 50 2. Unless adequately separated vertically, plume discharges from cooling towers shall be a minimum of __________ feet away from any ventilation inlets to a building. A) 20 B) 5 C) 10 D) 25 3 / 50 3. Ducts shall not be attached to vented wall furnaces ____________. A) Under any conditions B) Unless listed as part of the appliance C) Unless of a temporary nature D) Unless if noncombustible construction 4 / 50 4. 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) 75 B) 100 C) 90 D) 110 IMC 1402.3.1, 1006.4 IMC 1402.3.1, 1006.4 5 / 50 5. Used materials, equipment and appliances may be utilized under which of the following conditions? A) A representative sampling is tested for compliance. B) Elements have been reconditioned, placed in proper working order and approved. C) They are limited to 10 percent of the total materials. D) Used materials may never be utilized in new construction. IMC 105.5 IMC 105.5 6 / 50 6. The installation of a(n) is prohibited. A) direct-vent appliance in a bathroom B) wood burning fireplace in a sleeping room C) fuel-fired furnace in a crawl space D) oil-fired boiler in a storage closet IMC 303.3 IMC 303.3 7 / 50 7. 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) one C) three D) four IMC 101.2, Exception IMC 101.2, Exception 8 / 50 8. Cooling towers shall be located to prevent ________________ from entering occupied spaces. A) Condensate B) Humidity C) Water D) Discharge vapor plumes 9 / 50 9. UL 1482 is the appropriate reference standard for the listing and labeling of __________ and ____________ A) Pellet fuel-burning appliances, factory-built barbecue appliances B) Unvented gas log heaters, factory-built fireplaces C) Incinerators, crematories D) solid-fuel-type room heaters, fireplace inserts 10 / 50 10. 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) 5 D) 10 IMC 303.7 IMC 303.7 11 / 50 11. Air transported to occupied spaces through rock or dust-producing materials by means other than natural convection shall be filtered before entering the . A) Occupied space B) Heat storage material C) Supply air stream D) Transfer duct IMC 1402.8.2.1 IMC 1402.8.2.1 12 / 50 12. 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) 50 D) 40 IMC 302.3.3 IMC 302.3.3 13 / 50 13. The code official shall require construction documents and specifications to be prepared by a registered design professional when . A) the proposal does not comply with the code B) required by state law C) required by the jurisdictional attorney D) there are questions related to energy conservation IMC 106.3.1 IMC 106.3.1 14 / 50 14. 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 15 / 50 15. Labels on pressurized water storage tanks shall clarify that the specifications apply to the . A) Entire solar system B) Transfer unit C) Solar collector D) Water storage tank IMC 1404.2 IMC 1404.2 16 / 50 16. When calculating free area for required natural ventilation openings serving indoor hydrogen-refueling operations, it can be assumed that wood louvers will have percent free area. A) 25 B) 75 C) 50 D) 10 IMC 304.5.1.2 IMC 304.5.1.2 17 / 50 17. Mechanical systems shall be tested, with such tests made by the permit holder and observed by the . A) code official B) general contractor C) mechanical inspector D) mechanical contractor IMC 107.3 IMC 107.3 18 / 50 18. Vented wall furnaces shall not circulate air from _________ to other parts of the building. A) Habitable rooms B) Sleeping Rooms C) Kitchens D) Bathrooms 19 / 50 19. 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) In accordance with the equipment manufacturer’s instructions C) Determined by the municipal water provider D) As required by the International Plumbing Code 20 / 50 20. Sauna heaters shall be ___________. A) Controlled by a timer B) Supported by noncombustible materials C) Protected by a guard D) Listed and labeled to UL 731 21 / 50 21. Radiant heat system panels installed on wood or steel framing shall be installed ___________ framing members or shall be mounted between framing members A) Parallel to B) Spanning a minimum of two C) Perpendicular to D) within ¼ inch of 22 / 50 22. In bearing partitions, wood studs may be cut or notched to a maximum depth of percent of the stud depth. A) 60 B) 25 C) 33 1/3 D) 50 IMC 302.3.2 IMC 302.3.2 23 / 50 23. 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) 45 C) 60 D) 90 24 / 50 24. Wall register floor furnaces shall be placed a minimum of ___________ inches from a corner. A) 8 B) 4 C) 6 D) 12 25 / 50 25. The quality of water supplied to evaporative cooling equipment shall be in accordance with the ________. A) Regulating authority B) Listing of the pump C) Equipment manufacturers recommendation D) International Plumbing Code 26 / 50 26. 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) 1/2 C) 5/8 D) 2 IMC 302.3.1 IMC 302.3.1 27 / 50 27. 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) 16 B) 8 C) 12 D) 20 28 / 50 28. 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) close C) indirect D) open 29 / 50 29. What is the minimum required size of a hearth extension for a factory-built fireplace? A) A hearth extension is not required B) Twice the size of the firebox opening C) 60 inches long by 20 inches wide D) As set forth in the fireplace listing 30 / 50 30. Cooling towers and fluid coolers shall be provided with _____________. A) Access B) Ready access C) Limited access D) Restricted access 31 / 50 31. 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) 1-1/2 B) 2 C) 1/2 D) 1 IFGC 308.2, Note e IFGC 308.2, Note e 32 / 50 32. 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) 4 B) 6 C) 9 D) 3 IFGC 308.2 IFGC 308.2 33 / 50 33. Unless otherwise protected from impact, appliances located in a public garage shall be installed a minimum of feet above the floor. A) 15 B) 12 C) 8 D) 10 IFGC 305.4 IFGC 305.4 34 / 50 34. The IFGC regulates piping systems for natural gas with an operating pressure of _________ psig or less. A) 90 B) 125 C) 25 D) 100 35 / 50 35. Unless otherwise approved in accordance with Section 105, appliances regulated by this code shall be . A) Evaluated B) Certified C) Listed D) Vented 36 / 50 36. One set of construction documents shall be kept __________ while work is in progress. A) With building owner B) At the job site C) With the contractor D) With original designer 37 / 50 37. Where mechanical exhaust interferes with the operation of an appliance, is required. (SHALL BE PROVIDED) A) an appliance enclosure B) an automatic appliance shut-off device C) an interlock between the appliance and exhaust fan D) makeup air IFGC 304.4 IFGC 304.4 38 / 50 38. Within dwelling units, unobstructed are permitted to convey combustion air. A) Chimneys B) Chases enclosing chimneys C) Shafts D) Stud and joist spaces IFGC 304.11, Item 1 Exception IFGC 304.11, Item 1 Exception 39 / 50 39. Alternative methods or materials not specifically prescribed by the code are permitted when _________. A) Listed B) Approved C) Tested D) Registered 40 / 50 40. Notches in the flange of a cold-formed steel stud in a bearing wall A) must be spaced at least 24 inches B) cannot exceed 3 inches in length C) must be at least 16 inches from the bearing end D) are not allowed IFGC 302.6 IFGC 302.6 41 / 50 41. An automatic appliance shut-off device is required for condensate pumps located . A) in an attic B) in a mechanical room C) more than 10 feet from the condensing appliance D) in a basement IFGC 307.6 IFGC 307.6 42 / 50 42. Reduced clearance protective assemblies for gas appliances shall be placed a minimum of inch(es) from the appliance. A) 1 B) 2 C) 1/2 D) 1-1/2 IFGC 308.2, Note i IFGC 308.2, Note i 43 / 50 43. 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 44 / 50 44. Combustion air requirements for appliances with power burners are determined by . A) The manufacturer's instructions B) research reports C) engineering calculations D) The known air infiltration rate method IFGC 304.1 IFGC 304.1 45 / 50 45. Conversion of an appliance to a different fuel gas is allowed if in accordance with the instructions. A) Manufacturer’s B) Inspector’s C) Contractor’s D) Engineer’s IFGC 301.7.1 IFGC 301.7.1 46 / 50 46. Guards are not required for rooftop appliances requiring service where . A) approved fall-restraint devices are installed B) the roof slope is less than 3/12 C) the appliance is at least 8 feet from the roof edge D) the roof edge is not greater than 10 feet above grade IFGC 306.6, Exception IFGC 306.6, Exception 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) Listed B) Lawfully in existence C) Labeled D) Operational 48 / 50 48. 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) 6 D) 5 IFGC 304.6.2 IFGC 304.6.2 49 / 50 49. The permit or a copy shall be kept on the site of the work __________. A) Until a certificate of occupancy is issued B) For one year after the work is completed C) Until work commences D) Until completion of the project 50 / 50 50. The purpose of this code is to provide _____________ standards to safeguard life or limb, health, property and public welfare. A) Minimum B) Maximum C) Acceptable D) Consensus Your score is Share your results with your friends LinkedIn Facebook Twitter VKontakte
