API 653 exam prep - Open Book ONLY Questions and Answers 100% Pass

API 653 exam prep - Open Book ONLY Questions and Answers 100% Pass *When using the preheat alternative weld method, the temperature shall be checked ___ to assure the minimum temperature is maintained during welding. A) one inch or two times the material thickness whichever is greater, on each side of the groove. B) two inches or two times the material thickness, whichever is great, on each side of the groove C) Three inches or three times the material thickness, whichever is greater, in each side of the groove D) Four inches or four times the material thickness whichever is greater on each side of the groove - Correct Answer ️️ -D *For a roof to be considered as frangible: A) the top angle shall be larger than 2 X 2 3/16 in B) the top angle attachments weld shall me a minimum of 3/16" C) The roof support members shall not be attached tot he roof plate D) the roof support members shall be attached to the roof plate - Correct Answer ️️ -C *What are the examiner qualification for visual examination for tank inspection? A) Shall comply with ASME Sect V, article 9 B) Shall have visual capable of reading a standard Jaeger J-1 chart C) Shall have biennial visual examination by a license optometrist D) There are no requirements - Correct Answer ️️ -D *Sulfuric acid corrosion can be inspected and monitored with: A) Shear wave ultrasonic testing B) Visual Inspection C) Coupons and ER probes D) Wet fluorescent magnetic particle testing - Correct Answer ️️ -C *What is the maximum interpass temperature permitted, in API 653, when using the preheat alternative to PWHT welding method? A) 600°F B) 450°F C) 300°F D) 800°F - Correct Answer ️️ -A *Radiographic examinations are required for all of the following except: A) New and replaced shell insert plate and door sheet welds B) All repairs to butt-welds that are examined ultrasonically C) New annular plate joints D) Shell Butt-welds on reconstructed tanks - Correct Answer ️️ -B *For tanks constructed of material having a yield strength equal to or less than _____, it may not be necessary to raise all nozzles, when installing a new bottom in an existing tank, if certain conditions are met. A) 70000 psi B) 60000 psi C) 50000 psi D) 40000 psi - Correct Answer ️️ -C *A tank, built to the ninth edition of API 650, is to have a new bottom installed. Th