Journeyman Plumbing Test Study Guide With Latest Solutions

Journeyman Plumbing Test Study Guide With Latest Solutions more restrictive provisions apply - answerwhere conflicts occur between code and manufacture instructions. what shall be 3rd party certified as conforming to NSF 14 - answerall plastic pipe, fittings and components. all strainer plates on drain inlets shall be designed and installed so that all openings are..? - answernot greater than 1/2 inch (12.7) in least dimension. pipes through foundation walls need..? - answera relieving arch or a pipe sleeve which is 2 pipe sized bigger. waterproofing joints at the roof and around vent pipes shall be made water tight by use of....? - answerlead, copper, steel, aluminum, plastic, or approved flashing/flashing material. exterior wall opening must be made...? - answerwater tight. T or F: buried piping needs to be supported throughout it entire length. - answerTrue When backfilling the trench, that was over excavated - answerbackfill up to installation level of bottom of pipe w/sand or gravel in layers no more than 6" in depth and compacted after each placement. when a rock is encountered trenching - answerremoved to not less than 3 inches below installation level. backfill with tamped sand. when backfilling pipe systems crown of the pipe must be covered by...? - answer12 inches of tamped earth. T or F: truss members and components may be cut, drilled, notched or spliced. - answerfalse. unless they obtain approval from a design professional. hanger spacing: steel pipe - answerevery 12 ft horizontal 15 vertical where hot water piping is bundled w/cold or hot water piping... - answereach hot water pipe shall be insulated. pipe sizes great than 4 inch need restraints for drain pipes at.. - answerall changes in direction and changes in diameter greater that 2 pipe sizes. testing gauge required for 10 psi or less? - answerhas increments of .10psi or less. testing gauge required for >10 psi up to 100 psi - answerincrements of 1 psi testing gauge required for greater than 100 psi - answerincrements of 2 psi tests shall last not less than..? - answer15 minutes 2 ways you can test a drainage system. - answerin its entirety or in sections. if testing entire drainage system, all openings in piping shall be tightly closed except..? - answerthe highest opening, and system shall be filled to point of overflowing. if drainage system is tested in sections, no section shall be tested with less than..? - answera 10 foot head of water. T or F: plastic piping shall not be tested using air. - answertrue. when testing drainage system w/air, force air into system until there is... - answera uniform pressure of 5 psi or sufficient to balance a 10 inch colum of mercury. (no air test on plastic piping ) drainage and vent final test shall be... - answervisual (smoke) gravity sewer test consists of plugging building sewer at point of connection w/ public sewer, filling building sewer with water testing with not less than... - answer10 foot head of water. maintain for 15 minutes. shower liner test. fill with water not less than... - answer2 inches measured at threshold. hanger spacing: lead pipe - answercontinuous horizontal, 4 feet vertical liquid combustion byproducts of condensing appliances shall be collected and discharged to... - answeran approved plumbing fixture or disposal area in accordance with manufacturer's instructions. appliances containing evaporator or cooling coils must be provided with... - answercondensate drain systems. condensate disposal piping shall maintain a horizontal slope in the direction of discharge not less than - answer1/8 unit vertical in 12 units horizontal (1 percent slope) sheet copper for general applications shall not weigh less than... - answer12 oz per sq. ft.