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. 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) indirect C) close D) open 2 / 50 2. 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) the code official B) the board of appeals C) a licensed contractor professional D) a registered design IMC 102.9 IMC 102.9 3 / 50 3. Vented wall furnaces shall not circulate air from _________ to other parts of the building. A) Bathrooms B) Sleeping Rooms C) Habitable rooms D) Kitchens 4 / 50 4. Every occupied space shall be ventilated by natural or ____________ means A) artificial B) filtered C) mechanical D) controlled 5 / 50 5. Heat exchangers for solar energy systems shall have adequate protection to ensure that the potability of the water supply and distribution system is . A) Properly safeguarded B) Protected from corrosion C) Protected from vehicle impact D) Properly supported and braced IMC 1401.2.8.4 IMC 1401.2.8.4 6 / 50 6. 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) 8 B) 20 C) 12 D) 16 7 / 50 7. Listed and labeled hearth extensions for factory-built fireplaces, fireplace stoves and solid-fuel-type room heaters shall comply with ____________ A) UL 158 B) UL 1618 C) UL 1482 D) UL 127 8 / 50 8. Equipment and appliances in solar thermal systems shall be installed in accordance with the . A) Manufacturer’s instructions B) Industry Practices C) Design professional’s instructions D) Submitted plans and specifications IMC 1401.4 IMC 1401.4 9 / 50 9. Ducts utilized in solar heating shall have sufficient thermal insulation to limit the exposed surface temperature to ˚F. A) 120 B) 150 C) 110 D) 135 IMC 1402.2 IMC 1402.2 10 / 50 10. 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) four B) three C) two D) one IMC 101.2, Exception IMC 101.2, Exception 11 / 50 11. One set of construction documents shall be kept until completion of the project. A) by the design professional in responsible charge B) by the mechanical contractor C) by the permit applicant D) at the job site IMC 106.4.6 IMC 106.4.6 12 / 50 12. Tests performed by may be required by the code official where there is insufficient evidence of code compliance. A) an approved agency B) the contractor C) the owner D) a design professional IMC 105.3 and 105.3.2 IMC 105.3 and 105.3.2 13 / 50 13. Provisions of an appendix do not apply unless . A) specified in the code B) specifically adopted C) relevant to fire or life safety D) applicable to unique conditions IMC 102.2.1 IMC 102.2.1 14 / 50 14. 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) Approved B) Labeled C) Listed D) Tested 15 / 50 15. 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) solid-fuel-type room heaters, fireplace inserts D) Incinerators, crematories 16 / 50 16. In general, floor furnaces shall have a minimum clearance from grade of not less than ________ inches. A) 6 B) 18 C) 24 D) 12 17 / 50 17. Appliances shall not be installed in a location where they may be subject to mechanical damage unless they are . A) approved by the code official B) braced and anchored to the structural framing C) elevated at least 18 inches above the floor D) protected by approved barriers IMC 303.4 IMC 303.4 18 / 50 18. 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) 110 B) 75 C) 100 D) 90 IMC 1402.3.1, 1006.4 IMC 1402.3.1, 1006.4 19 / 50 19. Bored holes shall not be nearer than inch to the edge of the stud. A) 1/2 B) 3/4 C) 1/4 D) 5/8 IMC 302.3.3 IMC 302.3.3 20 / 50 20. 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 21 / 50 21. Other than on the control side, a minimum clearance of ___ inches is required on all sides of a floor furnace. A) 24 B) 12 C) 6 D) 18 22 / 50 22. An unvented gas log heater may be installed in a factory-built fireplace where the _____________ A) Fireplace has been listed and labeled for such use B) Gas log heater complies with the International Fuel Gas code C) Gas log heater has been listed and labeled for such use D) Installation is approved by a mechanical engineer 23 / 50 23. 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 24 / 50 24. Radiant heat system panels installed on wood or steel framing shall be installed ___________ framing members or shall be mounted between framing members A) Perpendicular to B) within ¼ inch of C) Parallel to D) Spanning a minimum of two 25 / 50 25. Heating, ventilating and air conditioning systems shall be designed and installed for efficient use of energy in accordance with the . A) International Energy Conservation Code® B) International Fuel Gas Code® C) International Building Code® D) International Plumbing Code® IMC 301.2 IMC 301.2 26 / 50 26. Drains, overflows and blowdown provisions for cooling towers shall be _____________ connected to an approved disposal system. A) Indirectly B) Carefully C) Directly D) Temporarily 27 / 50 27. Mechanical systems shall be tested, with such tests made by the permit holder and observed by the . A) general contractor B) mechanical contractor C) code official D) mechanical inspector IMC 107.3 IMC 107.3 28 / 50 28. The control side of a floor furnace shall have a minimum clearance of _______ inches. A) 24 B) 6 C) 12 D) 18 29 / 50 29. Heat exchangers used in domestic water heating systems shall be approved . A) For the intended use B) For the anticipated heat and pressure ranges C) By the manufacturer D) By a licensed mechanical engineer IMC 1401.2.8.4 IMC 1401.2.8.4 30 / 50 30. 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) As set forth in the fireplace listing D) 60 inches long by 20 inches wide 31 / 50 31. 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) 12 C) 6 D) 8 IFGC 310.2.2 IFGC 310.2.2 32 / 50 32. The IFGC regulates piping systems for natural gas with an operating pressure of _________ psig or less. A) 25 B) 125 C) 100 D) 90 33 / 50 33. Notching at the ends of wood joists shall not exceed the joist depth. A) 3/8 B) 1/4 C) 1/8 D) 1/2 IFGC 302.3.2 IFGC 302.3.2 34 / 50 34. The code official has the authority to ____________ the provisions of the code. A) Waive B) Violate C) Ignore D) Interpret 35 / 50 35. The minimum dimension of an outdoor combustion air opening is inches. A) 6 B) 12 C) 8 D) 3 IFGC 304.6 IFGC 304.6 36 / 50 36. Appliances shall not be installed in a location subject to vehicle damage except A) when installed behind steel barriers B) when installed per the manufacturer's installation instructions C) when listed for that particular installation D) where protected by an approved means IFGC 303.4 IFGC 303.4 37 / 50 37. If the permit has not been issued, an application for a permit is considered abandoned __________ days after the date of filing. A) 180 B) 45 C) 120 D) 90 38 / 50 38. 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 Fuel Gas Code (IFGC) C) International Residential Code (IRC) D) International Mechanical Code (IMC) 39 / 50 39. The purpose of this code is to provide _____________ standards to safeguard life or limb, health, property and public welfare. A) Acceptable B) Consensus C) Minimum D) Maximum 40 / 50 40. An installation is not required to be brought into compliance if it is _________ at the time of adoption of the code. A) Operational B) Lawfully in existence C) Listed D) Labeled 41 / 50 41. 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) 6 C) 24 D) 12 IFGC 305.4 IFGC 305.4 42 / 50 42. 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) 15 B) 0.50 C) 0.35 D) 21 IFGC 304.9 IFGC 304.9 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. Reduced clearance protective assemblies for gas appliances shall be placed a minimum of inch(es) from the appliance. A) 1 B) 1/2 C) 1-1/2 D) 2 IFGC 308.2, Note i IFGC 308.2, Note i 45 / 50 45. Cuts, notches and bored holes are prohibited in trusses except where . A) Located in nonbearing members B) The effects are specifically considered in the design C) Approved by the building inspector D) Limited in size, number and location IFGC 302.3.1 IFGC 302.3.1 46 / 50 46. Which of the following individuals is not qualified to serve on the Board of Appeals for the IFGC? A) A single-family dwelling home owner B) An electrical contractor with at least 10 years of experience, 5 of which the contractor was responsible for the work C) A registered design professional with fuel gas and plumbing engineering experience D) A registered design professional who is a registered architect 47 / 50 47. Where, in a specific case, different sections of the code specify different materials methods of construction or other requirements, the _________ requirement shall apply. A) Specific B) Most restrictive C) General D) Least restrictive 48 / 50 48. Where the opening dimensions are large enough to allow removal of the largest pieces of equipment installed in an under-floor space, the clear access opening to the under-floor area shall be a minimum of . A) 30 inches by 30 inches B) 22 inches by 24 inches C) 22 inches by 30 inches D) 18 inches by 24 inches IFGC 306.4 IFGC 306.4 49 / 50 49. An addition to a fuel gas installation shall conform to that required for ______ installations. A) Modified B) Relocated C) New D) Existing 50 / 50 50. Appliances located in an attic shall be provided with a level service space not less than inches deep and inches wide. A) 30,24 B) 24,30 C) 30,36 D) 30,30 IFGC 306.3 IFGC 306.3 Your score is Share your results with your friends LinkedIn Facebook Twitter VKontakte Test Your Knowledge with a 10-Question ChallengeConquering the Regulatory Maze of HVAC Certification MasteryTransforming Expertise: Bridging Tech Know-How to Official AccreditationPractice Mechanical Journeyman Untimed (Dark Theme)
