Free API API-577 Exam Dumps Questions & Answers

What is the "area of interest" on a weld radiograph?

• A.Only the area of contrasting density
• B.The entire radiograph minus 2 in. (50.8 mm) from the edges
• C.The specific portion of a radiograph that needs to be evaluated
• D.The portion that is less than 3t from the center of the radiograph, where t is the thickness of the weld

P-numbers are based on which of the following?

• A.Chemical composition of the base metal
• B.Weldability characteristics of base metal
• C.Electrode characteristics
• D.Comparable base metal characteristics

Items to be included in the PQR for the SMAW process are:

• A.Welding process used and AWS classification numbers.
• B.Welding process used and P-numbers of coupon welded.
• C.P-numbers of coupon welded and AWS classification numbers.
• D.Electrode-flux class and electrical characteristics.

How much should each pass of the transducer overlap the previous path during a weld scan?

• A.5% of the transducer element dimension.
• B.10% of the transducer element dimension.
• C.20% of the transducer element dimension.
• D.15% of the transducer element dimension.

A "mill certificate" is a/an:

• A.Analysis of the chemical elements in an ingot.
• B.Product analysis of mechanical properties of a base metal.
• C.Chemical analysis of a base metal to be welded.
• D.List of the chemical and mechanical properties specified by a purchaser.