NC Plumbing Practice Test 2 Questions And Answers With Verified Solutions
NC Plumbing Practice Test 2 Questions And Answers With Verified Solutions When using copper for vent flashing material, the copper should weigh____ 8oz/sq. ft The minimum depth of lead in a caulked joint is___ 1" Air and water tests of drainage and vent systems require that the water or air pressure be maintained at a constant level for___minutes 15 1 1/2" PVC-DWV installed in a residential building must be supported ___in the vertical. Every 10' The trap seal is the maximum vertical depth of liquid that a trap will retain, measured between the ___and the top o
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- Subido en
- 6 de abril de 2023
- Número de páginas
- 4
- Escrito en
- 2022/2023
- Tipo
- Examen
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- Preguntas y respuestas