Journeyman Plumbing Test Study Guide Questions and Answers Rated A+

Journeyman Plumbing Test Study Guide Questions and Answers Rated A+ more restrictive provisions apply where conflicts occur between code and manufacture instructions. what shall be 3rd party certified as conforming to NSF 14 all plastic pipe, fittings and components. all strainer plates on drain inlets shall be designed and installed so that all openings are..? not greater than 1/2 inch (12.7) in least dimension. pipes through foundation walls need..? a 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....? lead, copper, steel, aluminum, plastic, or approved flashing/flashing material. exterior wall opening must be made...? water tight. T or F: buried piping needs to be supported throughout it entire length. True When backfilling the trench, that was over excavated backfill 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 removed 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...? 12 inches of tamped earth. T or F: truss members and components may be cut, drilled, notched or spliced. false. unless they obtain approval from a design professional. hanger spacing: steel pipe every 12 ft horizontal 15 vertical where hot water piping is bundled w/cold or hot water piping... each hot water pipe shall be insulated. pipe sizes great than 4 inch need restraints for drain pipes at.. all changes in direction and changes in diameter greater that 2 pipe sizes. testing gauge required for 10 psi or less? has increments of .10psi or less. testing gauge required for >10 psi up to 100 psi increments of 1 psi testing gauge required for greater than 100 psi incre