API 570 Closed book test Questions And Complete Solutions 2024/25
4 views 0 purchase
Course
API 570
Institution
API 570
When preparing to inspect a piping system inspection personnel should? - Correct Answer Briefly review the history of the individual piping system before any of the inspections required by API 570. API 570 5.3.5
As regards dead legs in piping circuits, what is recommended to be done by API 570...
API 570 Closed book test Questions And Complete
Solutions 2024/25
When preparing to inspect a piping system inspection personnel should? - Correct Answer Briefly
review the history of the individual piping system before any of the inspections required by API 570. API
570 5.3.5
As regards dead legs in piping circuits, what is recommended to be done by API 570 whenever possible?
- Correct Answer Consideration should be given to removing dead legs that serve no further purpose.
API 570 5.3.2
When is it necessary to reevaluate the frequency of inspection for an existing piping system? - Correct
Answer The inspection interval must be reviewed and adjusted as necessary after each inspection or
significant change in operating conditions. API 570 6.3
What is the 4th consideration when selecting TML's? - Correct Answer TML's at intermediate locations
along the longer straight piping within the injection point circuit may be required. API 570 5.3.1
When the inspector suspects or is advised that specific circuits may be susceptible to environmental
cracking; the inspector should schedule supplemental inspections. What types of inspections may this
include? - Correct Answer Radiography, Wet Fluorescent Magnetic Particle, and/or Ultrasonic
Examinations. API 570 5.3.7
Supplemental inspection for piping systems is sometimes
required. Which of the following may be considered supplements to normal inspection techniques? -
Correct Answer Periodic use of Radiography and/or Thermography to check for fouling or internal
plugging.
To what inspection requirements must be applied to small bore class 1 secondary piping? - Correct
Answer Class 1 secondary SBP shall be inspected to the same requirements as primary process piping.
API 570 6.6.1
When is API 570 inspection code not permitted to be applied to a piping system? - Correct Answer As a
substitute for the original construction requirements or if in conflict with regulatory requirements. API
570 1.1.3
,Which of the following service fluids will justify rating a piping system class 2? - Correct Answer
Hydrogen, Fuel Gas, and Natural Gas. API 570 6.2.2
Prior to hydrostatic tesing of piping system containing expansion joints it is determined that the
expansion joint will be damaged and cannot be isolated. What can be done per API 570? - Correct
Answer Lines containing expansion joints may be tested at a reduced pressure. API 570 5
Corrosion products have built up around a piping system's supports, what additional inspection work
may be called for? - Correct Answer Lifting the pipe off of such supports may be required for inspection.
API 570 5.4.3
Inspection for piping weld quality is normally accomplished as a part of the requirements for new
construction, repairs, or alterations. However, welds are often inspected for corrosion as part of a
radiographic profile inspection or as part of internal inspection. When preferential corrosion in noted
what is the appropriate action? - Correct Answer Additional welds in the same circuit or system should
be examined for corrosion. API 570 5.10
After an external visual CUI inspection on a class 1 system found to have insulation damage, the follow
up examinations should include NDE testing and insulation removal of; - Correct Answer At least 75% of
all damaged areas. API 570 6.4 Table 6-2
The selection of TML's within injection point circuits are established at (4) basic locations, (3) of which
are: 1-TML's on appropriate fittings within the injection circuit. 2-TML's on the pipe wall at the location
of expected pipe wall impingement of injected fluid. 3-Establish TML's at both the upstream and
downstream limits of the injection point circuit.
What is the 4th consideration when selecting TML's? - Correct Answer TML's at intermediate locations
along the longer straight piping within the injection point circuit may be required. API 570 5.3.1
The following can be said about inspection of refractory linings used in piping systems; system. API 570
5.3.8 - Correct Answer it is usually not necessary to remove them for inspection of the piping
What physical sign does not indicate leakage in buried piping? - Correct Answer Corrosion on the 1st
flange above the ground. API 570 9.1.1
,The inspector shall approve all repair and alteration work at the designated hold points and after the
repairs and alterations have been satisfactorily completed in accordance with the requirements of; -
Correct Answer API 570. API 570 8.1.2
A close- interval potential survey on a cathode protected line may be used to verify that the buried
piping; - Correct Answer has good insulation from the surrounding earth and a protective potential
throughout it length. API 570 9.2.2
What are the requirements of materials to be used in the welded repair of a piping system? - Correct
Answer The materials used in making repairs or alterations shall be of known weldable quality, shall
conform to the applicable code, and shall be compatible with the original material. API 570 8.2.4
When performing welding on piping systems constructed to ASME B31.3, What must always be in place
prior to welding? - Correct Answer Qualified welding procedures, welders may be tested on production
welds in many cases. B31.3 328.2.1
In some instances preheating to 300°F may be substituted for PWHT after welding P No. 1 materials, for
which P No. 3 materials this is not allowed? - Correct Answer Materials classified as Mn-Mo. API 570
8.2.2.1
A welder makes a performance test using a pipe coupon that has an O.D. of 2.375". What range of
outside diameters is he qualified to weld in production? - Correct Answer 1" to unlimited diameter. IX
QW-452.3
A welders performance test was made in the 3G position. Which of the following describes his test? -
Correct Answer Vertical groove weld in plate. IX QW-461.3
Per B31.3 may consumable inserts be used for backing piping weld grooves? - Correct Answer Yes,
provided the insert is of the same nominal composition as the filler metal. B31.3 328.3.3
When selecting the thickness measurement location (TML's) for piping, what should the inspector take
into account? - Correct Answer Patterns of corrosion experienced in other process units in the same or
similar service. API 570 5.5.3
, What must the owner/user determine when substituting alloy materials for carbon steel in a piping
system?material. API 578 1.2 - Correct Answer The effects the process stream might have on the alloy
An external inspection of a piping system revealed sever piping movement had taken place. Your 1st
action to correct the situation should be; - Correct Answer Consult with a piping engineer about the
need for a piping stress analysis. API 570 7.5
When should material verification test be performed? - Correct Answer Verification should be
performed at the point in time that assures proper alloy materials have been used. API 578 4.2.3
Prior to a scheduled piping inspection previous inspection records should be reviewed. The reason for
the review is so; - Correct Answer A schedule can be made to determine the inspection force
requirements, to locate areas reaching retirement thickness, and predict repairs or replacements. API
574 12.5
Defects in protective coatings and the waterproof coating of insulation will permit moisture to come into
contact with the piping. To inspect for CUI, sections of the insulation should be removed from; - Correct
Answer Small connections, such as bleed lines and gauge connections. API 574 10.1.1.5
Threaded joints are usually limited to piping in non-critical service that had a nominal size of; - Correct
Answer 2" or smaller. API 574 4.5.2
As regards markings on fittings used in piping systems, what must always be present? - Correct Answer
Manufactures name or trademark. B16.5 4.2.1
For flanged fitting the manufacture shall hold the hydrostatic shell test for ___ minutes on a NPS 8"
flange. - Correct Answer 2 minutes B16.5 8.2.4
Deviations from specifications or standards for material tolerances, or workmanship are usually
evaluated on the basis of; strength, corrosion resistance, and serviceability. API 574 10.4.3 - Correct
Answer their effects on such factors as safety,
The following is a true statement about the use of test reports for the purpose of PMI. - Correct Answer
Mill test reports should not be used as a substitution for PMI. API 578 4.2.4
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 Victoria108. 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.
