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. Which of the following appliances must be tested in accordance with UL 730? A) Fireplace stoves B) Oil-fired vented wall heaters C) Factory-built barbecues D) Unvented gas log heaters 2 / 50 2. 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 1482 C) UL 1618 D) UL 127 3 / 50 3. 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) strength B) durability C) economics D) fire resistance IMC 105.2 IMC 105.2 4 / 50 4. The shall be responsible for the scheduling of inspections. A) holder of the permit B) design professional C) mechanical contractor D) mechanical inspector IMC 107.2 and 107.2.2 IMC 107.2 and 107.2.2 5 / 50 5. Vented wall furnaces shall not circulate air from _________ to other parts of the building. A) Habitable rooms B) Bathrooms C) Kitchens D) Sleeping Rooms 6 / 50 6. Access panels that must be removed for normal servicing operations on vented furnaces shall not ________. A) Have less than 36 inches of clear working spaces B) Be located below any overhead obstruction C) Be attached to the building construction D) Be of combustible material 7 / 50 7. An application to the board of appeals shall be filed within days after a notice has been served. A) 90 B) 120 C) 30 D) 20 IMC 109.1 IMC 109.1 8 / 50 8. 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) one B) two C) four D) three IMC 101.2, Exception IMC 101.2, Exception 9 / 50 9. A shall not be used as a heat transfer fluid in a solar system A) Class IIIA combustible liquid B) Class IC flammable liquid C) Class II combustible liquid D) Liquified oxidizing gas IMC 1403.5 IMC 1403.5 10 / 50 10. 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) 100 C) 75 D) 90 IMC 1402.3.1, 1006.4 IMC 1402.3.1, 1006.4 11 / 50 11. Cooling towers shall be located to prevent ________________ from entering occupied spaces. A) Condensate B) Water C) Humidity D) Discharge vapor plumes 12 / 50 12. Bored holes shall not be nearer than inch to the edge of the stud. A) 5/8 B) 1/2 C) 1/4 D) 3/4 IMC 302.3.3 IMC 302.3.3 13 / 50 13. 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) for only those issues not affecting fire or life safety D) where the intent and purpose of the code cannot be met IMC 105.1 IMC 105.1 14 / 50 14. In bearing partitions, wood studs may be cut or notched to a maximum depth of percent of the stud depth. A) 25 B) 50 C) 60 D) 33 1/3 IMC 302.3.2 IMC 302.3.2 15 / 50 15. Heat exchangers used in domestic water heating systems shall be approved . A) By the manufacturer B) By a licensed mechanical engineer C) For the intended use D) For the anticipated heat and pressure ranges IMC 1401.2.8.4 IMC 1401.2.8.4 16 / 50 16. Other than on the control side, a minimum clearance of ___ inches is required on all sides of a floor furnace. A) 24 B) 18 C) 12 D) 6 17 / 50 17. In the case of an approved existing mechanical system in a factory with qualified personnel, for periodic alterations to the system. A) an annual permit may be issued B) an approved agency must pull individual permits C) permits are not required D) inspections are not required IMC 106.1.1 IMC 106.1.1 18 / 50 18. Ducts shall not be attached to vented wall furnaces ____________. A) Unless listed as part of the appliance B) Unless if noncombustible construction C) Unless of a temporary nature D) Under any conditions 19 / 50 19. A boiler installed in a closet must . A) have a minimum ceiling height of 8 feet B) be listed for installation in a closet C) have a side clearance of not less than 30 inches D) be provided with outside ventilation air IMC 303.5 IMC 303.5 20 / 50 20. When a building permit is issued, the construction documents shall be stamped . A) “Approved” B) “Approved for Construction” C) “Accepted as Reviewed” D) “Reviewed for Code Compliance” IMC 106.4.1 IMC 106.4.1 21 / 50 21. An unvented gas log heater may be installed in a factory-built fireplace where the _____________ A) Gas log heater has been listed and labeled for such use B) Installation is approved by a mechanical engineer C) Fireplace has been listed and labeled for such use D) Gas log heater complies with the International Fuel Gas code 22 / 50 22. Used materials, equipment and appliances may be utilized under which of the following conditions? A) Used materials may never be utilized in new construction. B) They are limited to 10 percent of the total materials. C) A representative sampling is tested for compliance. D) Elements have been reconditioned, placed in proper working order and approved. IMC 105.5 IMC 105.5 23 / 50 23. Unless adequately separated vertically, plume discharges from cooling towers shall be a minimum of __________ feet away from any ventilation inlets to a building. A) 5 B) 10 C) 25 D) 20 24 / 50 24. A bored hole in a floor joist is limited in diameter to percent of the depth of the joist. A) 60 B) 40 C) 25 D) 33 1/3 IMC 302.3.1 IMC 302.3.1 25 / 50 25. A mechanical system that constitutes a fire or health hazard shall be declared . A) a fire hazard B) a nuisance C) unlawful D) an unsafe system IMC 108.7 IMC 108.7 26 / 50 26. UL 1482 is the appropriate reference standard for the listing and labeling of __________ and ____________ A) Incinerators, crematories B) Unvented gas log heaters, factory-built fireplaces C) Pellet fuel-burning appliances, factory-built barbecue appliances D) solid-fuel-type room heaters, fireplace inserts 27 / 50 27. Floor furnaces shall be placed a minimum of ___________ inches from the nearest wall. A) 4 B) 8 C) 6 D) 12 28 / 50 28. Fireplaces and solid fuel-burning appliances shall not be installed in _____________________ A) Assembly occupancies B) day care facilities C) sleeping rooms D) hazardous locations 29 / 50 29. A(n) ________ shall be installed ahead of all controls for a vented wall furnace. A) Regulating valve B) Manual shutoff valve C) Flexible connector D) Automatic shutoff valve 30 / 50 30. Where there is a conflict between a general code requirement and a specific requirement, the requirement shall govern. A) specific B) general C) least restrictive D) most restrictive IMC 102.1 IMC 102.1 31 / 50 31. Unless otherwise protected from impact, appliances located in a private garage shall be installed a minimum of feet above the floor. A) 12 B) 10 C) 8 D) 6 IFGC 305.5 IFGC 305.5 32 / 50 32. An installation is not required to be brought into compliance if it is _________ at the time of adoption of the code. A) Labeled B) Listed C) Operational D) Lawfully in existence 33 / 50 33. Reduced clearance protective assemblies for gas appliances shall be placed a minimum of inch(es) from the appliance. A) 1-1/2 B) 1/2 C) 1 D) 2 IFGC 308.2, Note i IFGC 308.2, Note i 34 / 50 34. Where a screen is installed at a combustion air opening, the mesh size shall not be smaller than inch. A) 3/8 B) 1/8 C) 1/4 D) 1/2 IFGC 304.10 IFGC 304.10 35 / 50 35. Holes bored in solid wood joists shall be located not less than inch(es) from the top and bottom joist. A) 2 B) 1-1/2 C) 1 D) 1/2 IFGC 302.3.2 IFGC 302.3.2 36 / 50 36. The code official is authorized to accept reports of inspection by ____________. A) Registered design professionals B) Approved agencies or individuals C) Special inspectors D) Specialized contractors 37 / 50 37. 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) 0.35 C) 21 D) 0.50 IFGC 304.9 IFGC 304.9 38 / 50 38. 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) 6 B) 5 C) 12 D) 10 IFGC 304.6.2 IFGC 304.6.2 39 / 50 39. 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) 1 C) 1/2 D) 2 IFGC 308.2, Note e IFGC 308.2, Note e 40 / 50 40. Required guards installed around rooftop service platforms shall be not less than inches in height. A) 30 B) 36 C) 48 D) 42 IFGC 306.5.1 IFGC 306.5.1 41 / 50 41. 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) 9,9 B) 6,6 C) 12,12 D) 3,3 IFGC 304.6.1 IFGC 304.6.1 42 / 50 42. Only in an emergency situation that poses an immediate hazard to life or property is the code official authorized to _______________. A) declare the installation unsafe B) post a stop work order C) condemn the installation D) require disconnection of utility service 43 / 50 43. Suspended mechanical equipment shall be installed a minimum of inches above the adjoining grade. A) 6 B) 8 C) 12 D) 3 IFGC 305.7 IFGC 305.7 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) 50 B) 25 C) 75 D) 15 IFGC 304.5.1 IFGC 304.5.1 45 / 50 45. A 30-inch high attic passageway serving a gas appliance is limited in length to no more than feet. A) 14 B) 20 C) 12 D) 18 IFGC 306.3 IFGC 306.3 46 / 50 46. Notching at the ends of wood joists shall not exceed the joist depth. A) 1/8 B) 1/2 C) 3/8 D) 1/4 IFGC 302.3.2 IFGC 302.3.2 47 / 50 47. Equipment and appliances having an ignition source shall in Group H Occupancies or control areas where open use, handling or dispensing of combustible,” flammable or explosive materials occurs. A) not be installed B) be isolated in a separate room C) be listed as flammable ignition resistant D) be elevated IFGC 305.2 IFGC 305.2 48 / 50 48. 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 Residential Code (IRC) B) International Building Code (IBC) C) International Fuel Gas Code (IFGC) D) International Mechanical Code (IMC) 49 / 50 49. Where appliances are supported by a concrete slab, the slab shall extend at least inches above the adjoining grade. A) 4 B) 6 C) 9 D) 3 IFGC 305.7 IFGC 305.7 50 / 50 50. 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 Your score is Share your results with your friends LinkedIn Facebook Twitter VKontakte
