Test Your Knowledge
Test Your Knowledge
ASME Plant Inspector Quiz
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Throughout the world, the pattern of (and reasons for) pressure system failures are similar. Most failures causing pressure release accidents or leaks occur in?
Process piping spools
Process piping fittings (flanges etc.)
Under API 570 what is the maximum interval for thickness readings to be taken on an API class 2 pipe?
Brittle fracture is a failure mode by crack propagation rather than plastic deformation. It is caused by a material structure which becomes brittle at low temperatures. When would you most expect it
After wall-thinning at stress points
After exposure to dynamic ‘shock load’
After long-term exposure to high temp.
How does the repair code ASME PCC-2 differentiate between temporary and permanent repairs of pressure equipment?
Temporary repairs must be replaced ASAP
Temp. Repairs must be recorded on a ITP
Temporary repairs are fillet patches
Which damage mode occurs due to CUI in 300 series stainless steels?
Chloride SCC of 300-series stainless steel occurs generally above a metal temperature of about?
140 degF (60 degC)
212 degF (100 degC)
180 deg F (82 degC)
100 degF (38 degC)
Which of these pieces of information would normally not be included in an NII decision record?
Previous inspection reports
Results of the CRA carried out
Details of NDT techniques used
Justification for acceptance
Which of these generic types of stainless steels are unsuitable for sour service?
Highly alloyed’ austenitic grades
‘Free machining’ grades
A fillet welded external patch installed over a defect in a pressure vessel should be:
Designed by an engineer
Is designed without joint efficiency
Is considered a temporary repair
Is considered a permanent repair
RBI assessments can take many forms and levels of complexity. Some use software and others rely more on engineering reasoning and intuition. In all cases, what is the main output from an RBI
A multi-coloured matrix for display
A risk assessment plan
A schedule of corrosion rates
An inspection plan with frequencies
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