API 574 for API 570 Exam Questions and Answers 100% Pass

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 seams is larger than ______ inches outside diameter. a. 10 b. 16 c. 14 d. 12 - Answer- B Steel and alloy piping are manufactured to standard dimensions in nominal pipe sizes up to ______ inches. a. 24 b. 36 c. 48 d. 50 - Answer- C Steel and alloy piping are also manufactured to standard thicknesses designated as schedules in nominal pipe sizes up to _______ inches. a. 24 b. 36 c. 48 d. 50 - Answer- B The actual thickness of wrought piping may vary from its nominal thickness by a manufacturing under tolerance of as much as _________ percent. a. 12.5 b. 12.0 c. 10.0 d. 10.5 - Answer- A Cast piping has thickness tolerance of + ______ inch and - _______ inch. a. 1/16, 0 b. 1/16, 1/16 c. 1/32, 1/32 d. 3/64, 0 - Answer- A For all nominal pipe sizes of ______ inches and smaller, the size refers to the nominal inside diameter. a. 10 b. 12 c. 14 d. 16 - Answer- B Under tolerance of welded pipe often used in refinery service is ________ inch. a. 0.125 b. 0.050 c. 0.010 d. 0.005 - Answer- C For what service is cast iron piping normally used. a. Nonhazardous service, such as lube oils b. Nonhazardous service, such as water. c. Corrosive service, such as acids. d. Noncorrosive service, such as low temperature caustic. - Answer- B Tubing is generally seamlessly drawn, but it may be welded. Its stated size is its actual: a. outside radius. b. inside diameter. c. outside diameter. d. inside radius. - Answer- C