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. What is the minimum required size of a hearth extension for a factory-built fireplace? A) Twice the size of the firebox opening B) As set forth in the fireplace listing C) 60 inches long by 20 inches wide D) A hearth extension is not required 2 / 50 2. Notches in the top or bottom of solid wood joists are limited to of the depth of the joists. A) 1/2 B) 1/6 C) 1/4 D) 1/3 IMC 302.3.1 IMC 302.3.1 3 / 50 3. 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) 25 C) 5 D) 10 4 / 50 4. A boiler installed in a closet must . A) be listed for installation in a closet B) be provided with outside ventilation air C) have a side clearance of not less than 30 inches D) have a minimum ceiling height of 8 feet IMC 303.5 IMC 303.5 5 / 50 5. Sauna heaters shall be ___________. A) Protected by a guard B) Supported by noncombustible materials C) Controlled by a timer D) Listed and labeled to UL 731 6 / 50 6. Hangers for a suspended unit heater must be ________. A) Provided by the appliance manufacturer B) Noncombustible C) Steel angle iron D) Designed by a registered design professional 7 / 50 7. The flash point of heat transfer fluids used in solar systems in Group F or H occupancies shall not be lower . A) Than one-half of the ambient temperature of the space B) Unless permitted by the mechanical engineer C) Unless approved D) Than one-half of the operating range IMC 1403.5 IMC 1403.5 8 / 50 8. System components shall be protected from any freezing that may be encountered during . A) Periods of system nonoperation B) The operation of the system C) Testing of the system D) The initial start-up process IMC 1402.4 IMC 1402.4 9 / 50 9. Which of the following installations is permitted to be backfilled prior to an underground inspection? A) underground ducts of approved materials B) drainage pipe exceeding 8 inches in diameter C) ground source heat pump loop systems D) hydronic piping systems IMC 107.2 Exception IMC 107.2 Exception 10 / 50 10. Wall register floor furnaces shall be placed a minimum of ___________ inches from a corner. A) 8 B) 6 C) 4 D) 12 11 / 50 11. Labels on pressurized water storage tanks shall clarify that the specifications apply to the . A) Entire solar system B) Solar collector C) Water storage tank D) Transfer unit IMC 1404.2 IMC 1404.2 12 / 50 12. 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) 12 D) 16 13 / 50 13. Cuts, notches and bored holes are prohibited in structural composite lumber, except where . A) approved by the building inspector B) they are located in a bearing wall C) they are limited in size, number and location D) the effects are considered in the design IMC 302.3.4 IMC 302.3.4 14 / 50 14. Except for , heat exchangers shall be labeled to indicate the type of heat exchanger used. A) Double-wall with leak protection B) Double-wall without leak protection C) Single-wall without leak protection D) Single-wall with leak protection IMC 1404.4 IMC 1404.4 15 / 50 15. In order for an alternative material, design or method of construction to be considered acceptable, it must be equivalent to the code based on all but which of the following criteria? A) fire resistance B) strength C) durability D) economics IMC 105.2 IMC 105.2 16 / 50 16. Vented wall furnaces shall be located so that a door swing maintains a minimum clearance of ______ inches from any air inlet. A) 6 B) 12 C) 18 D) 2 17 / 50 17. Listed and labeled hearth extensions for factory-built fireplaces, fireplace stoves and solid-fuel-type room heaters shall comply with ____________ A) UL 1618 B) UL 158 C) UL 1482 D) UL 127 18 / 50 18. Fireplace stoves shall be tested in accordance with UL __________________ A) 737 B) 127 C) 1482 D) 797 19 / 50 19. Every occupied space shall be ventilated by natural or ____________ means A) filtered B) mechanical C) controlled D) artificial 20 / 50 20. Grease duct systems serving type 1 hood, where enclosures are not required, shall have a clearance to combustible construction of not less than __________ inches A) 24 B) 18 C) 3 D) 12 21 / 50 21. Potable water supplies to solar systems shall be protected against contamination in accordance with the . A) Clean Water Act of 1964 B) State Environmental Agency C) County health department D) International Plumbing Code IMC 1401.2 IMC 1401.2 22 / 50 22. 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) open B) direct C) close D) indirect 23 / 50 23. Pressurized thermal water storage tanks shall be listed and labeled, with the label required to indicate all of the following information, except the . A) Maximum allowable operating temperature. B) Maximum heat transfer fluid capacity C) Manufacturer's address D) Model number IMC 1404.2 IMC 1404.2 24 / 50 24. The shall be responsible for the maintenance of the mechanical systems. A) owner or owner’s agent B) maintenance staff C) installing contractor D) person occupying the structure IMC 102.3 IMC 102.3 25 / 50 25. Cooking appliances installed within areas where domestic cooking operations occur shall be listed and labeled as _________-type appliance for domestic use. A) Limited B) Noncommercial C) Household D) Residential 26 / 50 26. Tests performed by may be required by the code official where there is insufficient evidence of code compliance. A) the owner B) a design professional C) an approved agency D) the contractor IMC 105.3 and 105.3.2 IMC 105.3 and 105.3.2 27 / 50 27. Cooling towers shall be located to prevent ________________ from entering occupied spaces. A) Humidity B) Water C) Discharge vapor plumes D) Condensate 28 / 50 28. 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) manufacturer’s B) mechanical inspector's C) mechanical engineer's D) mechanical contractor's IMC 301.12 IMC 301.12 29 / 50 29. Where all solar system piping is a part of the potable water distribution system and all components of the solar system piping are listed for potable use, cross-connection protection measures are . A) Of no value B) Required C) Prohibited D) Not required IMC 1401.2, exception IMC 1401.2, exception 30 / 50 30. Factory-built barbecue appliances shall be of an approved type and installed in accordance with the IMC and the International __________ Code A) Building B) Fuel Gas C) Fire D) Energy Conservation 31 / 50 31. The maximum length of an electrical bonding jumper for a corrugated stainless steel tubing (CSST) system is feet. A) 150 B) 25 C) 75 D) 100 IFGC 310.2.3 IFGC 310.2.3 32 / 50 32. Within dwelling units, unobstructed are permitted to convey combustion air. A) Chases enclosing chimneys B) Shafts C) Chimneys D) Stud and joist spaces IFGC 304.11, Item 1 Exception IFGC 304.11, Item 1 Exception 33 / 50 33. Tests performed by __________ may be required by the code official where there is insufficient evidence of code compliance. A) The contractor B) The owner C) Design professional D) An approved agency 34 / 50 34. 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) 10 C) 20 D) 15 IFGC 306.6, Exception IFGC 306.6, Exception 35 / 50 35. The code official has the authority to ____________ the provisions of the code. A) Waive B) Interpret C) Ignore D) Violate 36 / 50 36. Appliances located in an attic shall be provided with a level service space not less than inches deep and inches wide. A) 30,30 B) 30,36 C) 30,24 D) 24,30 IFGC 306.3 IFGC 306.3 37 / 50 37. One set of construction documents shall be kept __________ while work is in progress. A) With building owner B) At the job site C) With original designer D) With the contractor 38 / 50 38. When the provisions of the FGC are applicable, a change of occupancy requires _____________. A) Inspected B) Certification of occupancy C) Permits D) Approval 39 / 50 39. Notches in the flange of a cold-formed steel stud in a bearing wall A) cannot exceed 3 inches in length B) must be at least 16 inches from the bearing end C) are not allowed D) must be spaced at least 24 inches IFGC 302.6 IFGC 302.6 40 / 50 40. Galvanized steel ducts used for combustion air shall be constructed in accordance with the . A) International Building Code (IBC) B) ACCA Manual D C) International Fuel Gas Code (IFGC) D) International Mechanical Code (IMC) IFGC 304.11, Item 1 IFGC 304.11, Item 1 41 / 50 41. The IFGC regulates piping systems for natural gas with an operating pressure of _________ psig or less. A) 25 B) 125 C) 90 D) 100 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) 2 D) 1/2 IFGC 302.3.2 IFGC 302.3.2 43 / 50 43. 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) 3 C) 9 D) 6 IFGC 308.2 IFGC 308.2 44 / 50 44. The code official has the authority to grant modifications to the code ____________. A) Only when related to administrative functions B) Where the intent and purpose of the code cannot be met C) For individual cases where the strict letter of the code is impractical D) Only for those issues not affecting fire and life safety 45 / 50 45. Unless otherwise protected from impact, appliances located in a public garage shall be installed a minimum of feet above the floor. A) 15 B) 8 C) 10 D) 12 IFGC 305.4 IFGC 305.4 46 / 50 46. Unless otherwise approved in accordance with Section 105, appliances regulated by this code shall be . A) Certified B) Listed C) Vented D) Evaluated 47 / 50 47. 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) 4 B) 2 C) 3 D) 1 IFGC 304.5.3.2 IFGC 304.5.3.2 48 / 50 48. An installation is not required to be brought into compliance if it is _________ at the time of adoption of the code. A) Listed B) Operational C) Labeled D) Lawfully in existence 49 / 50 49. The code official is authorized to accept reports of inspection by ____________. A) Registered design professionals B) Special inspectors C) Specialized contractors D) Approved agencies or individuals 50 / 50 50. The __________ is not required on an application for a permit. A) Location of work B) Type of construction C) Proposed occupancy D) Described work Your score is Share your results with your friends LinkedIn Facebook Twitter VKontakte
