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API570 exams Flashcards

1
Q

What is the min preheat temp when perform preheat in lieu of PWHT

A

The weld area shall be preheated and maintained at a minimum temperature of 300°F (150°C) during welding. The 300 °F (150 °C) temperature should be checked to assure that 4 in. (100 mm) of the material or four times the material thickness (whichever is greater) on each side of the groove is maintained at the minimum temperature during welding.

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2
Q

At what condition should you consult with a CS?

A
  1. temp > 750F

2. Temp below brittle

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3
Q

piping INTERNAL inspection should be conducted based on what code?

A

API510 / 572

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4
Q

what code provides guidance for welding on in service piping?

A

API 2201

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5
Q

what materials are subject to polytheonic acid SSC?

A

austenitic SS

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6
Q

Local PWHT may be substituted for 360° banding on local repairs on all materials, provided the following precautions and requirements are applied.

A

a) The application is reviewed, and a procedure is developed by the piping engineer.
c) A preheat of 300 °F (150 °C), or higher as specified by specific welding procedures, is maintained while welding.
d) The required PWHT temperature shall be maintained for a distance of not less than TWO times the base metal thickness measured from the weld. T
e) Controlled heat also shall be applied to any branch connection or other attachment within the PWHT area.
f) The PWHT is performed for code compliance and not for environmental cracking resistance

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7
Q

WHO will designate any inspection hold points

required during the repair or alteration sequence.

A

The inspector

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8
Q

Each owner/user organization _______be audited periodically to determine if they are meeting the requirements of an authorized inspection agency as defined in this inspection Code.

A

SHOULD

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9
Q

SHOULD =?

A

recommendations

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10
Q

the initial thickness measurement determinations shall be made after no more than ______ of service by using nondestructive thickness measurements of the piping system.

A

3 months

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11
Q

another term for pneumatic test?

A

hydropneumatics

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12
Q 
Assessment of
 General Metal Loss
Local Metal Loss
Pitting Corrosion
evaluate blisters and laminations,
weld misalignment and piping distortions
evaluate crack-like flaws,
valuate the effects of fire damage 
can use what code?
A

API579

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13
Q

Threaded components and other flanged spool pieces that may be easily removed and reinstalled deserve particular attention because of their higher potential for installation

A

of incorrect materials of construction

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14
Q

When lifting piping that is in operation, extra care should be

A

exercised and consultation with an engineer may be necessary.

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15
Q

when is the approval of a piping engineer needed? (3

A
  1. assess crack like flaws
  2. review and/or approve RBI
  3. when performing a hydrotest to ensure that the piping will be suitable
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16
Q

who can determine whether a hydrotest is necessary after repair welding is complete?

A

inspector

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17
Q

New connections and replacements may installed on existing piping provided

A

they are designed and fabricated per the applicable code

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18
Q

use of NDE for substitute for pressure testing needs who approval?

A

inspector or engineer

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19
Q

extent of material verification used for repairs/alteration is determined by

A

owner/users

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20
Q

the period between thickness measurements for CMLs or circuits should not exceed (2)

A

one-half the remaining life or the maximum intervals recommended in Table 1,

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21
Q

what pipe material should be hydro with potable water or steam condensate? and what ppm of clorine?

A

SS , <50ppm

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22
Q

Acceptance of a welded repair or alteration shall include NDE in accordance with the

A

applicable code and the owner/user’s specification, unless otherwise specified in API 570.

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23
Q

If calculations indicate that an inaccurate rate of corrosion has been assumed, the rate to be used for the next period shall be adjusted

A

to agree with the actual rate found.

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24
Q

surveying the route of buried pipe is performend at what intervals?

A

6 months

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25
Q

The diameter of electrodes should not exceed

_____ .

A

5/32 in. (4.0 mm).

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26
Q

When the temperature of the base material is below

32 °F (0 °C), what type of electrodes to be used?

A

low-hydrogen electrodes shall be used

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27
Q

PEr API 570 materials used in welding in making repairs or alteration should be?

A

of known weldable quality

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28
Q

Who should shall maintain records of welding procedures and welder performance qualifications.

A

The repair organization

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29
Q

The owner/user shall specify industry-qualified UT angle beam examiners when the owner/user requires _____OR_________

A

Detection of interior surface (ID) breaking planar flaws when inspecting from the external surface (OD)
OR planar defects

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30
Q

API 570 covers inspection, rating, repair, and alteration procedures for (2)

A

metallic and fiberglass-reinforced plastic (FRP) and PRD

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31
Q

Piping systems that are known to have a remaining life of over 10 years or that are adequately protected against external corrosion need not be included for the NDE inspection , what type of inspection?

A

CUI

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32
Q

The inspector should consult with a ______when the short-term corrosion rate changes significantly from
the previous identified rate to determine the cause.

A

corrosion specialist

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33
Q

Actively engaged as an authorized piping inspector” shall be defined as a minimum of_____ of time spent
performing inspection activities

A

20%

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34
Q

If the requirements of API570 are more stringent than the regulatory requirements, then the requirements of this Code

A

shall govern

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35
Q

Who can conduct external inspections, when acceptable to the inspector.

A

Qualified examiners, operating or maintenance personnel

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36
Q

A corrosion specialist shall be consulted when developing the inspection plans for (2)

A
  1. piping systems that operate at elevated
    temperatures [above 750 °F (400 °C)]
  2. and piping systems that operate below the ductile-to-brittle transition temperature.
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37
Q

The preheating method, when performed in lieu of PWHT, is limited to the following materials and weld processes: (2)

A

a) The materials shall be limited to P-No. 1, Group 1, 2, and 3, and to P-No. 3, Group 1 and 2 (excluding Mn-Mo
steels in Group 2)
b) The welding shall be limited to the shielded-metal-arc welding (SMAW), gas-metal-arc welding (GMAW), gastungsten-arc (GTAW), and flux-cored arc welding (FCAW) processes.

38
Q

preheating method, when performed in lieu of PWHT requirements?

  1. min temp?
  2. distance?
  3. max interpass temp? T
  4. distance for interpass?
A
  1. min temp 300F
  2. 4 in. (100 mm) of the material or four times the
    material thickness (whichever is greater)
  3. cannot exceed 600F
  4. distance of 4 in. (100 mm) or four times the depth of the repair weld
39
Q

The controlled-deposition welding method may be used in lieu of PWHT in accordance with the following: (3)

.

A

a) Notch toughness testing, such as that established
b) The materials shall be limited to P-No. 1, P-No. 3, and P-No. 4 steels
c) The welding shall be limited to the shielded-metal-arc welding (SMAW), gas-metal-arc welding (GMAW), fluxcored arc welding (FCAW), and gas–tungsten arc welding (GTAW) processes.

40
Q

pressure test shall be performed if practical and deemed necessary by the

41
Q

how often should surface condition on and adjacent to each pipeline be surveyed?

42
Q

when the short-term corrosion rate changes significantly who to consult?

43
Q

Crack-like flaws and environmental cracking shall be assessed by an

A

engineer and/or corrosion specialist.

44
Q

Acceptance of a welded repair or alteration shall include NDE in accordance with the (2)

A

applicable code and the owner/user’s specification

45
Q

Radiographic profile techniques are preferred for pipe diameters of NPS

A

1 and smaller.

46
Q

PRT is very often the technique of choice on NPS ___ and ____?

A

8 and under when localized corrosion is suspected

47
Q

Vertical support dummy legs also shall be checked to

confirm that they have not filled with water that is )causing (2

A

external corrosion of the pressure piping or internal

corrosion of the support leg.

48
Q

Temporary repairs may remain in place for a longer period of time only if approved and documented by the

A

piping engineer.

49
Q

The RBI assessment shall be reviewed and approved by the appropriate

A

qualified personnel per API 580 and inspector

50
Q

Assessment of General Metal Loss—

A

API 579-1/ASME FFS-1, Part 4.

51
Q

c) Assessment of Local Metal Loss—

A

API 579-1/ASME FFS-1, Part 5.

52
Q

d) Assessment of Pitting Corrosion—

A

API 579-1/ASME FFS-1, Part 6.

53
Q

To evaluate blisters and laminations

A

API 579-1/ASME FFS-1, Part 7. I

54
Q

To evaluate weld misalignment and piping distortions,

A

API 579-1/ASME FFS-1, Part 8

55
Q

Substituting appropriate NDE procedures for a pressure test after an alteration, re-rating, or repair may be done only after consultation with the

A

inspector and the piping engineer.

56
Q

New connections and replacements shall be designed and fabricated according to the principles of the

A

applicable code.

57
Q

A ____________pressure test may be used when it is impracticable to hydrostatically test due to temperature, structural, or process limitations.

A

pneumatic (or hydro pneumatic)

58
Q

alteration must be approved by

A

piping engineer

59
Q

All repair and alteration work shall be done by a _______ as defined in Section 3 and shall be authorized by the _______prior to its commencement.

A

repair organization / inspector

60
Q

who is responsible for approving exceptions to preheat temp used in temp repairs?

61
Q

where to pay closer attention to deadlegs?

A

liquid to vapor

62
Q

The intent of this Code is to specify the _________(3)_ that is needed to determine and maintain the on-going integrity of piping systems.

A

in-service inspection and condition-monitoring program as well as repair guidance

63
Q

min preheat temp in lieu of PWHT

A

> /= to 300F

64
Q

Local PWHT may be substituted for 360° banding on local repairs on all materials, provided the following precautions and requirements are applied. (4)

A

a) The application is reviewed, and a procedure is developed by the piping engineer.
b. A preheat of 300 °F (150 °C), or higher as specified by specific welding procedures, is maintained while welding.
c. PWHT temperature shall be maintained for a distance of not less than 2x base metal
thickness measured from the weld.

65
Q

Who shall establish inspection intervals for thickness measurements and external visual inspections

A

the owner/user or the inspector

66
Q

The material for the repair shall match the base metal unless approved

A

by the piping engineer.

67
Q

rerating requirements ? (5)

A
  1. calculation performed by engineer OR inspector
  2. Current inspection records verify that the piping system is satisfactory for the proposed service conditions and that the appropriate corrosion allowance is provided
  3. Re-rated piping systems shall be leak tested in accordance with the code
  4. The piping system is checked to affirm that the required pressure relieving devices are present, are set at the appropriate pressure
  5. Appropriate engineering records are updated.
68
Q

When lifting piping that is in operation,

A

extra care should be exercised and consultation with an engineer may be necessary

69
Q

After welding is completed, a pressure test in accordance with shall be performed if practical and deemed necessary

A

inspector.

70
Q

Substituting appropriate NDE procedures for a pressure test after an alteration, re-rating, or repair may be done only after consultation with the

A

inspector and the piping engineer

71
Q

Acceptance of a welded repair or alteration shall include NDE in accordance with the

A

applicable code and the owner/user’s specification

72
Q

can an examiner evaluation examination?

A

if trained and authorized by AI

73
Q

The________ shall establish inspection intervals for thickness measurements and external visual
inspections

A

owner/user or the inspector

74
Q

piping is changing in service , who responsibility is it to determine the supplemental inspection for the new service?

A

inspector or owner/user

75
Q

During repairs or alterations to alloy material piping systems, _________ shall verify that the installation of new materials is consistent with the selected or specified construction materials.

A

the inspector

76
Q

what should be evaluated when trying to determine probability of failure during a RBI assessment?

A
  1. forms of damage that could reasonably expected
  2. operating conditions (past/projected)
  3. effectiveness of corrosion monitoring problem
77
Q

After an RBI assessment is conducted, the results can be used to establish the equipment inspection plan and better define the following:(5)

A

a) the most appropriate inspection and NDE methods, tools, and techniques;
b) the extent of NDE (e.g. percentage of equipment to examine);
c) the interval or due date for internal (where applicable), external, and on-stream inspections;
d) the need for pressure testing after damage has occurred or after repairs/alterations have been completed;
e) the prevention and mitigation steps to reduce the probability and consequence of equipment failure. (e.g. repairs, process changes, inhibitors, etc.).

78
Q

Before performing any of the required inspections, inspectors shall familiarize themselves with (3)

A
  1. prior inspection results,
  2. prior repairs, current inspection plan,
  3. and/or other similar service inspections
79
Q

Inspection ISOs are recommended

A
  1. for all unit piping and all Class 1
  2. for Class 2 rack piping with CMLs
  3. record dimension and locate CMLS
80
Q

A list of repair or replacement recommendations

piping integrity is required and shall be kept current. (4)

A

a) recommended corrective action or repair and date,
b) priority or target date for recommended action,
c) piping system identifier (e.g. piping system or circuit number) that the recommendation affects.
d) list of temporary repairs that may need follow-up monitoring and eventual replacement.

81
Q

When practical, internal visual inspections may be

scheduled for systems for (2)

A
  1. catalyst / transfer lines

2. large piping

82
Q

reason to remove insulation to check for CUI

A
  1. stains
  2. type of insulation
  3. age of insulation
83
Q

CML can be reduce if expected damage mechanism will not result in a wall loss such as (3)

A
  1. olefin plant cold side piping
    2., anhydrous ammonia piping, clean noncorrosive
    hydrocarbon product,
    3.high-alloy piping for product purity.
84
Q

without reinforcement is a repair or alteration?

85
Q

downgrading hole from X –> Y / upgrading hole is repair or alteration?

A

downgrade size = repair

increasing size = alteration

86
Q

local PWHT may be considered for local piping repairs except

A

when pwht is performed for environmental cracking resistance

87
Q

when can examiner evaluate results?

A

trained and if authorized by AI

88
Q

who evaluated / accepts results?

89
Q

auxiliary piping inspection is?

90
Q

deadleg inspection is?

A
  1. following same for class 1

2. class 2-4 - inspected where corrriosn has been experienced or anticipated

91
Q

whenever the RL is less than 4 years the inspection interval

A

the inspection interval of the RL may up to full RL up to a max of 2 years

api 570 (17 decks)

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