Nps nominal pipe size - Study guides, Class notes & Summaries

The pressure in a system measured when the gas is moving, is known as? - Answer-Working Pressure Other than a central boiler room or mechanical room, what is the maximum allowable gas pressure inside commercial buildings? - Answer-20 psig what is the pressure test requirement for a 1 inch gas line with 2 psig of working pressure over 200 feet long? - Answer-15 psig how long is the duration for question 3? - Answer-60 Minutes or 1 Hour When performing a 50 psig pressure test, what is ...

API 574 for API 570 Exam Questions and Answers 100% Pass API Recommended Practice 574, Inspection of Piping, Tubing Valves, and Fittings, does not cover: a. control valves. b. piping smaller than 2" NPS. c. tubing smaller than 1.5" diameter. d. fittings smaller than 2" NPS - Answer- A The refining industry generally uses what type piping for severe service? a. brass b. cast c. seamless d. longitudinal seam welded - Answer- C Piping made by rolling plates to size and welding the s...

API 653 Exam 148 Questions with Verified Answers what is the minimum thickness for a tank floor plate with no means for leak detection or secondary containment if an RBI program is not in place - CORRECT ANSWER 0.1 inch reference table 4.4 API 653 when a full hydrostatic test is required, it shall be held for - CORRECT ANSWER 24-hours reference 12.3.1 API 653 how many radiographs shall be taken in a square 2 in x 24 in but welded insert play in a 1-inch thick shell - CORRECT ANSWER 6 to...

Problem Set 3 - Solutions 4.3 Rinnai US has recently developed a new hydronic air handling unit (AHU Series 37AHA) to heat air in residential buildings. It is expected that hot water from a tankless water heater will be pumped through a finned-tube heating coil installed in the main branch (20 in. x 18 in.) of a ductwork system. A homeowner has calculated that 96,000 Btu/hr will be needed to heat their home as desired. Air will enter the duct at approximately 70oF and should leave at 150oF...

NPT - ANSWER-National Pipe Thread NPS - ANSWER-Nominal Pipe Size NC - ANSWER-National Course T.O. - ANSWER-Take-off XLR and correct take off for a 90 degree fitting - ANSWER-2 x NPS LR and correct take off for a 90 degree fitting - ANSWER-1 1/2 x NPS SR and correct take off for 90 degree fitting - ANSWER-1 x NPS Formula for finding the T.O. of a 45 degree BW elbow. - ANSWER-.625 x NPS Refrigeration copper comes in a roll. It has to be ______ before bending. - ANSWER-Aneal...

NPT - ANSWER National Pipe Thread NPS - ANSWER Nominal Pipe Size NC - ANSWER National Course T.O. - ANSWER Take-off XLR and correct take off for a 90 degree fitting - ANSWER 2 x NPS LR and correct take off for a 90 degree fitting - ANSWER 1 1/2 x NPS SR and correct take off for 90 degree fitting - ANSWER 1 x NPS Formula for finding the T.O. of a 45 degree BW elbow. - ANSWER .625 x NPS Refrigeration copper comes in a roll. It has to be ______ before bending. - ANSWER Aneal...

API 653 Exam 148 Questions with Verified Answers what is the minimum thickness for a tank floor plate with no means for leak detection or secondary containment if an RBI program is not in place - CORRECT ANSWER 0.1 inch reference table 4.4 API 653 when a full hydrostatic test is required, it shall be held for - CORRECT ANSWER 24-hours reference 12.3.1 API 653 how many radiographs shall be taken in a square 2 in x 24 in but welded insert play in a 1-inch thick shell - CORRECT ANSWER 6 to...