Repair and Alteration Standards Flashcards
6 cards from real API 510 practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Repair and Alteration Standards flashcards as text
What must be obtained before making repairs to a pressure vessel under API 510?
Answer: Authorization from the inspector and a detailed repair plan
API 510 requires inspector authorization and a documented repair plan before any work begins on a pressure vessel.
What distinguishes a repair from an alteration under API 510?
Answer: A repair restores to original condition while an alteration changes design conditions
A repair restores a vessel to its original design condition, while an alteration changes design parameters like pressure, temperature, or dimensions.
Which welding code governs pressure vessel repairs?
Answer: ASME Section IX
ASME Section IX governs welding and brazing qualifications for pressure vessel and piping repairs and construction.
What documentation is required after completing a pressure vessel repair?
Answer: Complete repair records including materials, procedures, and test results
Complete documentation including materials used, procedures followed, welder qualifications, and test results creates a permanent repair record.
When must post-weld heat treatment (PWHT) be performed after a repair?
Answer: When required by the original code of construction or when specified by the inspector
PWHT is required when the original code of construction specifies it or when the inspector determines it is necessary for the repair.
What is the role of the R stamp in pressure vessel repairs?
Answer: It indicates the repair organization holds a valid ASME Certificate of Authorization
The R stamp certifies that the repair organization holds a valid National Board Certificate of Authorization for repairs and alterations.