Copper dwv tube - Study guides, Class notes & Summaries

1/4" - Threads of drainage fittings shall be tapped as to allow _____ pitch per foot 4 lbs - Lead used for safe pans shall not be less than ________ per square foot Copper Tube, Cast Iron, Stainless steel, ABS, PVC DWV - Name 3 allowable materials for the DWV system "underground" 1-1/4" - 1 dfu's 1-1/2" - 3 dfu's 2" - 4 dfu's 3" 6 dfu's 4" - dfu's - What are the fixture unit values for the following traps Double fixture fitting - What type of fitting is used for cont...

Water that comes from laundry and bathtubs and reused in known as - correct answer -Graywater Suggested national plumbing standards are called - correct answer -Model codes Your supervisor points out that you forgot to complete a step in the assembly of a drain in a DWV system. One of the apprentices that you are supervising was a he person installing the drain. The responsible action is to - correct answer -Take responsibility for the work done under your supervision People who develop...

Building sewers shall be tested by completely filling the sewer with water from the ______ - Answer-Lowest to the highest point Except for plastic piping systems, HOT AND COLD water piping may be tested with ___ - Answer-50 psi air or the working pressure of the water in the systems for at least 15 minutes The required clearance in front of a 2-inch cleanout is _______ inches. - Answer-18 inches A stack, as defined in the code, is.... - Answer-The vertical main of soil, waste, or vent p...

NATE A/C Exam 1 Low airflow over a residential split system air conditioning evaporator can cause A: Liquid flood-back to the compressor B: A decrease in compression ratio C: An increase in suction line superheat D: Oil logging in the evaporator - Answer-A: Liquid flood-back to the compressor Which of the following is the correct sequence of work? A: Attach gauge manifold, recover refrigerant, replace filter core, evacuate the system, recharge the system. B: Recover refrigerant, evacuat...

What minimum size pipe is required to supply a water closet flushometer valve? - correct answer -1" Using tables 6-5 and 6-6, the main water pipe size @ location E is _____. - correct answer -1 1/2" Main water pipe size at location G is _____. - correct answer -3/4" What is the minimum size water pipe required from the meter to the house? - correct answer -1" Using tables 6-5 and 6-6, water pipe sizing at location (1) is _____. Calculations shall be for minimum pipe size. - corre...

NCCER Plumbing Level 1: Q/A Water that comes from laundry and bathtubs and reused in known as Correct Ans - Graywater Suggested national plumbing standards are called Correct Ans - Model codes Your supervisor points out that you forgot to complete a step in the assembly of a drain in a DWV system. One of the apprentices that you are supervising was a he person installing the drain. The responsible action is to Correct Ans - Take responsibility ...

TX Journeyman Plumber - HW ?'S From Bobby Doran's Class {Questions And Answers} Hot & cold water piping may be tested with _____. 50 psi or the working pressure of the water in the system for at least 15 mins A stack as defined in the code is _____. the vertical main of a soil, waste or vent piping which extends one or more stories A device to prevent backflow into potable water system is called a _____. backflow connection/backflow preventer Copper tube and fittings used for drainage ...

Water that comes from laundry and bathtubs and reused in known as - correct answer -Graywater Suggested national plumbing standards are called - correct answer -Model codes Your supervisor points out that you forgot to complete a step in the assembly of a drain in a DWV system. One of the apprentices that you are supervising was a he person installing the drain. The responsible action is to - correct answer -Take responsibility for the work done under your supervision People who develop...

The modern word for plumber is derived from the Latin word for A person who works with lead LEED applies to all areas of the profession, except Renovation Water that comes from laundry and bathtubs and reused in known as Graywater Suggested national plumbing standards are called Model codes You are offered a job by another contractor before you have fulfilled your current obligations. The professional response is to Ask the contractor to wait until you have met y...

Journeyman's Exam 1. Threads of drainage fittings pitch: - Answer: 1/4" pitch per foot. 2. Minimum lead for safe pans: - Answer: 4 lbs per square foot. 3. Allowable materials for the DWV system (underground): - Answer: Copper Tube, Cast Iron, Stainless Steel, ABS, PVC DWV. 4. Fixture unit values for traps: - 1-1/4" - 1 DFU - 1-1/2" - 3 DFU - 2" - 4 DFU - 3" - 6 DFU - 4" - (value unspecified, likely varies based on local codes). 5. Type of fitting for continuous waste and venting...