Journeyman Plumber Exam Questions and Answers

Journeyman Plumber Exam Questions and Answers The minimum size condensate drain in line for refrigeration units over 20 times but less than 35 tons shall be _____ inch. -Answer-1 The unobstructed vertical distance through the free atmosphere, between the outlet of the waste pipe in the flood level rim of the receptacle into which the waste pipe is discharging. -Answer- Air Gap (drainage system) The required water design capacity of bathtub mixing valves is _____ gallons per minute. - Answer-4 Separate toilet facilities are not required and structures or tenant spaces with a total occupant load of _____ or fewer. -Answer-15 The extension of a soil, or Waze stock above the highest horizontal drain connected to the stack. -Answer-Stack Vent The wall area of showers and above built-in tubs with installed showerhead Shelbi construction of smooth, corrosive resistant in nonabsorbent waterproof materials to a height, not less than _____ feet above the room floor level. -Answer-6 Where is separate toilet facilities are required for each sex in each toilet facility is required to have only one water closet, two _____ or _____ - _____ toilet facilities shall be permitted to serve as the required separate facilities. -Answer-Family Assisted-Use The minimum trap size for unlisted fixtures shall be the size of the drainage outlet, but not less than ____ inches. -Answer-1 1/4 Where there are practical difficulties involved in carrying out the provisions of this code, the code official shall have the authority to grant ____ for individual cases. -Answer-Modifications A hub drain shall be in the form of a hub or a pipe extending not less than ____ inch above a water-impervious floor. -Answer-1 Unless covered by an exception, nonflammable medical gas systems, inhalation anesthetic systems and vacuum piping systems shall be designed and installed in accordance with _____ _____. -Answer-NFPA 99 Unless otherwise approved on site, nonportable water, reuse systems shell collect waste, discharge from only the following plumbing fixtures: ____, ____, ____, ____, ____, and ____ ____. -Answer-Bathtubs, showers, lavatories, clothes washers and laundry trays. A ____ ____ is required to divert a sufficient amount of rain water at the beginning of each rain event to prevent contaminants from entering the storage tank of a nonpotable rainwater collection system. -Answer-Roof Washer Distribution piping in a subsurface landscape irrigation system shall be not less than ___ inches in diameter in the top of the pipe shall be not less than ___ inches below the original surface. - Answer-3 8 Wall and floor space to a point 2 feet in front of a urinal lip and ____ feet above the floor and at least ____ feet to each side of the urinal shall be waterproofed. -Answer-4 2 The principal pipe artery to which branches are connected. -Answer-Main Al elevation (height) reference point that determines the minimum height at which a back flow preventer or vacuum breaker is installed above the flood level rim of the fixture or receptor served by the device. -Answer-Critical Level (C-L) Where vent extensions require frost closure protection, any increase in the size of the vent shall be made at least ____ inches inside the ____ ____ of the building. -Answer-12 Thermal Envelope Trenching installed parallel to footings and walls shall not extend into the ____ ____ of a footing or wall. -Answer-Bearing Plane A water system for the collection, treatment, storage, distribution and reuse of non-potable water generated on site, including but not limited to a gray water system. -Answer-On-Site Nonpotable Water Reuse System Public toilet facilities shall not be required in structures and tenant spaces intended for ____ transactions having a public access area less than or equal to ____ square feet. -Answer-Quick 300 Gray water used for flushing water closets and urinals shall be ____. -Answer-Disinfected There shall be at least ____ inches clearance in front of the water closet, urinal, lavatory or bidet to any wall, fixture or door. -Answer-21 Where a trap seal is subject to loss by evaporation, a trap seal ____ ____ or a trap seal protection device shall be installed. -Answer-Primer Valve The maximum horizontal spacing to support copper or copper-alloy pipe is ____ feet. -Answer- 12 How do you determine the occupant load for each sex when calculating how many plumbing fixtures are required? -Answer-Divide the total occupant load in half. ____ water shall be delivered from lavatories and group wash fixtures located in public toilet facilities. -Answer-Tempe