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API 570 > 5 Inspection, Examination, and Pressure Testing Practices > Flashcards

5 Inspection, Examination, and Pressure Testing Practices Flashcards

1
Q

5.1.2 Development of an Inspection Plan

Developed by

A

Inspector

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2
Q

5.1.2 Development of an Inspection Plan

Corrosion specialist shall be conducted when temperature > ______ and piping system that operate bellow ________ transition temperature

A

750 °F

ductile to brittle

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3
Q

5.2.5 Frequency of RBI Assessments

RBI assessment shall be updated at least every ______

A

10 years

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4
Q

5.5 General Types of Inspection and Surveillance

Revisions to the inspection plan shall be approved by

A

the inspector and/or piping engineer

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5
Q

5.8 Corrosion Under Insulation Inspection

CUI shall be considered for externally-insulated carbon and low alloy piping operating between 1

A

0 °F (–12 °C) and 350 °F (175 °C)

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6
Q

5.10 Injection Point Inspection

When designating an injection point circuit for the purposes of inspection, the recommended upstream limit of the injection point circuit is a minimum of ______ or________ upstream of the injection point, whichever is greater

A

-12 in. (300 mm), three pipe diameters

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7
Q

5.10 Injection Point Inspection

The recommended downstream limit of the injection point circuit is the second change in flow direction past the injection point, or _____beyond the first change in flow direction, whichever is less.

A

25 ft (7.6 m)

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8
Q

5.10 Injection Point Inspection

During periodic scheduled inspections, more extensive inspection should be applied to an area beginning ______upstream of the injection nozzle and continuing for at least _____ injection point.

A

12 in. (300 mm), ten pipe diameters

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9
Q

5.11 Pressure Testing of Piping Systems

pressure tests shall be performed in accordance with the requirements of______

A

ASME B31.3

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10
Q

5.11 Pressure Testing of Piping Systems

When a pressure test is required, it shall be conducted after_______

A

any heat treatment.

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11
Q
  1. 11 Pressure Testing of Piping Systems
  2. 11.2 Test Fluid

If the liquid is flammable, its flash point shall be at least______ or greater

A

120 °F (49 °C)

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12
Q
  1. 11 Pressure Testing of Piping Systems
  2. 11.2 Test Fluid

Piping fabricated of or having components of austenitic stainless steel should be hydrotested with a solution made up of potable water (see note), de-ionized/de-mineralized water or steam condensate having a total chloride concentration (not free chlorine concentration) of less than _____

A

50 ppm.

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13
Q
  1. 11 Pressure Testing of Piping Systems
  2. 11.2 Test Fluid

For sensitized austenitic stainless steel piping subject to polythionic stress corrosion cracking, consideration should be given to using an ____solution for pressure testing

A

alkaline-water

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14
Q
  1. 11 Pressure Testing of Piping Systems
  2. 11.3 Pneumatic Pressure Tests

As a minimum, the inspection precautions contained in ______ shall be applied in any pneumatic testing

A

ASME B31.3

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15
Q
  1. 11 Pressure Testing of Piping Systems
  2. 11.4 Test Temperature and Brittle Fracture Considerations

A number of failures have been attributed to brittle fracture of steels that were exposed to temperatures below their transition temperature and to pressures greater than ___ of the required hydrostatic test pressure or ___ of stress, whichever is less

A

25 %, 8 ksi

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16
Q
  1. 11 Pressure Testing of Piping Systems
  2. 11.4 Test Temperature and Brittle Fracture Considerations

To minimize the risk of brittle fracture during a pressure test, the metal temperature should be maintained at least____above the MDMT for piping that is more than 2 in. (5 cm) thick, and ____above the MDMT for piping that have a thickness of 2 in. (5 cm) or less

A

30 °F (17 °C), 10 °F (6 °C)

17
Q
  1. 11 Pressure Testing of Piping Systems
  2. 11.6 Pressure Testing Alternatives

Appropriate ____shall be specified and conducted when a pressure test is not performed after a major repair or alteration

A

NDE

18
Q
  1. 11 Pressure Testing of Piping Systems
  2. 11.6 Pressure Testing Alternatives

Substituting NDE procedures for a pressure test after an alteration is allowed only after the ______ and _____ have approved the substitution.

A

engineer and inspector

19
Q
  1. 11 Pressure Testing of Piping Systems
  2. 11.6 Pressure Testing Alternatives

For cases where UT is used in lieu of a pressure test, the______ shall specify industry-qualified UT angle beam examiners

A

owner/user

20
Q
  1. 11 Pressure Testing of Piping Systems
  2. 12 Material Verification and Traceability

The ____ shall assess the need for and extent of application of a material verification program consistent with API 578

A

owner/user

21
Q

5.12 Material Verification and Traceability

Components identified during this verification that do not meet acceptance criteria of the PMI examination program (such as in API 578) would be targeted for replacement. The _____and ______ , in consultation with a corrosion specialist, shall establish a schedule for replacement of those components

A

owner/user, authorized piping inspector

22
Q

5.12 Material Verification and Traceability

In lines in older process units operating above _____ and subject to sulfidation corrosion, carbon steel piping containing less than____silicon can corrode at significantly higher rates than higher silicon carbon steels (modern “silicon-killed” process)

A

500 °F (260 °C), 0.1 wt %

23
Q

5.13 Inspection of Valves

Bodies of valves that are exposed to significant temperature cycling (for example, catalytic reforming unit regeneration and steam cleaning) should be examined _____ for thermal fatigue cracking

A

periodically

24
Q

5.13 Inspection of Valves

If gate valves are known to be or are suspected of being exposed to severe or unusual corrosion-erosion, thickness readings should be conducted on ________, since this is an area of high turbulence and high stress.

A

the body between the seats

25
Q

5.13 Inspection of Valves

Control valves or other throttling valves, particularly in high-pressure drop and slurry services, can be susceptible to _______

A

localized corrosion/erosion

26
Q

5.13 Inspection of Valves

Critical check valves shall be adequately inspected or tested to provide greater assurance that they will prevent__________

A

flow reversals

27
Q

5.14 In-service Inspection of Welds

Crack-like flaws and environmental cracking shall be assessed by an ____ in accordance with API 579-1/ASME FFS-1 and/or _____

A

engineer, corrosion specialist

28
Q

5.14 In-service Inspection of Welds

Preferential weld corrosion shall be assessed by ______

A

the inspector

29
Q

5.15 Inspection of Flanged Joints

Flanged joints that have been clamped and pumped with sealant should be checked for leakage at _____

A

the bolts

30
Q

5.15 Inspection of Flanged Joints

If flanges are significantly bent or distorted, their markings and thicknesses should be checked against ________ before taking corrective action

A

engineering requirements

31
Q

5.15 Inspection of Flanged Joints

Any fastener failing to do so is considered acceptably engaged if the lack of complete engagement is not more than _____

A

one thread.

API 570 (5 decks)

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