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API-570 Practice Exam #3 Closed Book questions and answers graded A+ 2024/2025
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API-570 Practice Exam #3 Closed Book questions and answers graded A+ 2024/2025
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API-570 Practice Exam #3 Closed BookThickness measurement location (TML) readings on a piping system indicate that the
corrosion rate has increased. The inspector's most appropriate response is to: -
ANSRecalculate the inspection interval of the system
Which of the following is not required to be included in an inspection record system? - ANSd)
Total number ofTMLs recorded in each piping system
Environmental cracking noted during an in-service examination of welds should be assessed
by the: - ANSPiping Engineer
Which of the following is an essential variable for shielded metal arc welding (SMAW)
welding procedure specification (WPS)? - ANSF-number
Which of the following is not a required marking on a B-16.5 flange or flanged fitting? -
ANSTemperature range
Junctions where vibrating piping systems are restrained are logical places for which specific
type of corrosion or cracking? - ANSFatigue cracking
Pipe fabrication welding may not be performed if the weld area is: - ANSFrosted or wet
A carbon steel piping circuit in caustic service that was originally stress relieved: -
ANSShould never be hammer tested
The most common form of corrosion under insulation on carbon steel piping is: -
ANSLocalized corrosion
Deadlegs in a piping system should be: - ANSEliminated whenever possible
At low enough flue gas temperatures, the sulfur dioxide, suIfur trioxide, and hydrogen
chloride will condense to form sulfurous acid, sulfuric acid, and hydrochloric acid which can
lead to: - ANSSevere corrosion
Which of the following defines auxiliary small bore piping (SBP)? - ANSSBP associated with
instruments and machinery
When a piping inspector notices deformation of a pressure vessel wall in the vicinity of a
pipe attachment, the most appropriate action listed below is to: - ANSCheck for piping
misalignment
What is the normal temperature range specified by API-570 where an insulated carbon steel
piping system is susceptible to corrosion under insulation? - ANSBetween 25°F and 250°F
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