Journeyman Plumbing 450 Exam Study Guide Questions with Complete Solutions
Journeyman Plumbing 450 Exam Study Guide Questions with Complete Solutions Travel - Correct Answer The Distance from the initial offset to the second fitting Advance - Correct Answer Distance parallel to the pipes between the offset fittings Offset - Correct Answer Distance the pipe is offset from original position to new position Rolling offsets formula - Correct Answer Travel = Rise x 2 = Spread x 2 What are the three ways water is present? - Correct Answer Solid - Ice Liquid - Water Gas - Steam Pressure formula? - Correct Answer Pressure= Head x .434 Head Formula? - Correct Answer Head = Pressure x 2.3 Calculate the travel of 45 degree offset with a rise of 8" and a spread of 20" - Correct Answer Travel = 21.54 x 1.414 = 30.45 Answer = 30 1/2" Pressure is 60 psi, you must run a water service to a house built on a 30 foot rise. What is going to be the pressure at the house? - Correct Answer Pressure = Head x .434 30 x .434 = 13.02 loss ( Uphill ) 60 - 13 = 47 Answer = 47 psi
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