API-570 試験問題を無料オンラインアクセス

What is the minimum class flange that can be used if the material is SA 351 Gr.C F8C, temperature 950?F and working pressure is 1930 psig

• A.1500
• B.900
• C.800
• D.This material can not be used at this temperature

During a MT examination, shall be performed on each area.

• A.prod spacing of at least
• B.100% coverage at the required sensitivity
• C.a calibration of each piece of magnetizing equipment
• D.at least three separate examinations

What is the minimum holding time of SA-106 Grade B, 1 inch thick material?

• A.2 hours
• B.not specified
• C.2.4 hours
• D.1 hour

Austenitic stainless steel piping systems operating between 150°F-400°F are susceptible to:

• A.CUI
• B.Both B and C
• C.chloride stress corrosion cracking
• D.temper embrittlement

What is the most common use for a globe valve?

• A.Prevent back flow
• B.Regulate fluid flow
• C.Allow full flow
• D.Stop all flow