Exam (elaborations)
API 570 CLOSED BOOK EXAM A
- Course
- Institution
API 570 CLOSED BOOK EXAM A
[Show more]
Content preview
API 570CLOSED BOOK
EXAM A
1- In severe refinery services which type of pipe is normally used? - Answers-C.
Seamless
2- Pressure applied inside a pipe creates stresses in the pipe wall. These stresses are
highest on which weld orientation? - Answers-B. Longitudinal weld
3- In which of the following is not an acceptable method for establishing piping corrosion
rate in a new service? - Answers-D. corrosion data from phone discussion with a
consultant corrosion engineer.
4- PEr B31.3, howmch RT is conducted on circumferential welds of a pipe in Normal
service? - Answers-B. 5%
5- For welded pipe, the normal thickness under tolerance is: - Answers-B. -0.01 inch
6- When qualifying a weld procedure the essential variables must: - Answers-C. be
recorded on both the WPS and PQR
7- A pipe has a thickness designation of "40S". What does the "s" mean? - Answers-C.
Stainless Steel
8- Which of the following type of pipe should not be used in pressurized hydrocarbon
service? - Answers-A. threaded cast iron
9- Generally socket-welded piping is not used for nominal pipe sizes above - Answers-
B. 2 inch
, 10- A propane piping system should be classified as: - Answers-A. Class one
11- According to ASME/ANSE B16.5 flanges made from plate materials can only be
used for: - Answers-A. Blind flanges
12- The corrosiveness of soils can be determined by measuring the soil's - Answers-B.
resistivity
13- Preheat should never be substituted for postweld treatment if the: - Answers-C. post
weld heat treatment was designed to prevent environmental cracking
14- Which of the following is required marking on ASME/ANSI B16.5 flanges? -
Answers-B. Nominal pipe size
15- During welding, non-essential variables" - Answers-A. Must be recorded only on the
WPS and must be followed by the welder
16- During a hydrotest, all joints should be: - Answers-B. left uninsulated
17- ASME/ANSI B16.5 requires flanges to be: - Answers-D. marked with the class rating
18- Which of the following activities is not included in the scope of API 57 - Answers-B.
Operating a piping system
19- Which of the following refinery piping system may be excluded from the specific
requirements of API 570? - Answers-A. 4 NPS steam line
20- Graphitization of carbon steels begin to occur when metal temperatures exceed: -
Answers-B. 800 degrees F
21- During pipe fabrication, who has overall responsibility for compliance with the code?
- Answers-D. owner/ user
22- Who has the responsibility to determine the extent of PMI performed? - Answers-B.
owner/user
23- Which of the following piping system is covered by B31.3? - Answers-C. 1 NPS- 900
psi high pressure crude pipeline in the gulf of mexico.
24- An in-service process pipe should be class 1 when the percentage of H2S exceeds:
- Answers-D. 3%
25- A welder becomes unqualified when he has not welded using the: - Answers-C.
process for 6 months
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Greaterheights. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $10.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
78861 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now