API 570 Closed book test; Questions & Answers 100% Correct
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Course
API 570
Institution
API 570
API 570 Closed book test; Questions &
Answers 100% Correct
When preparing to inspect a piping system inspection personnel should?
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...
API 570 Closed book test; Questions &
Answers 100% Correct
When preparing to inspect a piping system inspection personnel should?
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? 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? 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? 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?
, API 570 Closed book test; Questions &
Answers 100% 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? 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? 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?
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?
Answer-Hydrogen, Fuel Gas, and Natural Gas. API 570 6.2.2
, API 570 Closed book test; Questions &
Answers 100% Correct
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? 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? 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? 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; Answer-At least 75% of all damaged areas. API 570
6.4 Table 6-2
, API 570 Closed book test; Questions &
Answers 100% Correct
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? 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 Answer-it is usually not necessary to
remove them for inspection of the piping
What physical sign does not indicate leakage in buried piping? 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; Answer-API 570. API 570 8.1.2
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