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API 570 Exam – Questions & Correct Solutions (Pass!)
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API 570 Exam – Questions & Correct Solutions (Pass!)
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API 570 Exam – Questions & Correct Solutions (Pass!)What condition always requires reporting to the owner of a piping system?
Right Ans - 570 - 9.6 Any significant increase in corrosion rates.
What shall new and replacement piping components comply with? Right
Ans - New connections and replacements shall be designed and fabricated
according to the principles of the applicable code .
If misalignment of piping was noted during operation the cause should be
determined and corrected. Misalignment is usually caused what condition?
Right Ans - Inadequate provision for expansion, broken hangers, and defective
anchors.
>Inadequate provision for expansion
>Broken Hangers
>Defective Anchors
What are the requirements for inspection of piping joints during leak testing?
Right Ans - All joints, including welds and bonds, are to be left uninsulated and
exposed for examination during leak testing
All joints , including welds and bonds are to be left uninsulated and exposed
for examination during leak testing.
What describes a globe valve? Right Ans - It consists of a valve body that
contains a disk that moves axially to the desk centerline against a seat.
What describes a check valve's principal of operation? Right Ans - Swing or
lift piston
When a flange is manufactured in accordance with 816.5 the manufacturer is
NOT required to: Right Ans - Hydrostatically test the flange.
What is an example of where creep cracking has been experienced in the
industry is in: Right Ans - 1/4 Cr steels above 900 degree Fahrenheit
, A large number of piping failures occur at pipe-to-pipe welded branch joints,
what describes these failures? Right Ans - Higher than normal stress
caused by valve weight, vibration, and thermal loading.
Higher than normal stress caused by:
>Valve weight
>Vibration
>Thermal Expansion
The definition of sensitivity as applied to radiography is? Right Ans -
Section V Article 2 The smallest discernible detail and/or contrast change in a
radiographic image.
Defect in protective coating and the waterproofing coating of insulation will
permit moisture to come into contact with piping. To inspect for CUI, sections
of insulation should be removed from: Right Ans - Small connection, such
as bleed lines and gauge connections.
Several locally thinned areas have been found during an inspection. What is a
true statement concerning the first step in ant corrective action? Right Ans
- A piping engineer should evaluate the locally thinned area.
What does not describe a common type of flange used in piping? Right Ans
- 574 4.5.1 Threaded socket
How often shall ultrasonic equipment be checked for calibration? Right Ans
- Section V T-534 At the beginning of each examination and any time
malfunctioning equipment is noted.
What is NOT an example of environmental cracking? Right Ans - Low
temperature SCC
SCC: Stress corrosion cracking
P number 1 and 3 are welded together for a procedure qualification, this
combination will not allow the writing of a WPS or WPS's to be used to wield
the following parent metals in production: Right Ans - Section IX QW-424
P #1 to P #3
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