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API 570 > 570 Study Guide - Section 5 - Insp, Examination & Test Practices > Flashcards

570 Study Guide - Section 5 - Insp, Examination & Test Practices Flashcards

1
Q

All in-service piping in the petrochemical industry must:

A. Have been hydrotested prior to service
B. Be built to ASME B31.3
C. Be post weld heat treat if the thickness is over 1-1/2”
D. Have an inspection plan

A

D. Have an inspection plan

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2
Q

The inspection plan for piping system should be developed by:

A. The inspector
B. The engineer
C. both the inspector and the engineer
D. either the inspector or the engineer

A

D. either the inspector or the engineer

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3
Q

When developing a piping system’s inspection plan, who should identify specific damage mechanisms and their locations?

A. Inspector
B. Corrosion specialist
C. Pressure equipment engineer
D. Either the corrosion specialist or the pressure equipment engineer
E. Either the corrosion specialist or the inspector or the equipment engineer.

A

B. Corrosion specialist

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4
Q

Whose input is required when developing an inspection plan for piping that operates at an elevated temperature?

A. Authorized inspector
B. Pressure equipment engineer
C. Corrosion specialist
D. Head office specialist

A

C. Corrosion specialist

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5
Q

A corrosion specialist should be consulted when developing inspection plans for piping that operate above:

A. 150F
B. 450F
C. 600F
D. 750F

A

D. 750F

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6
Q

Which of the following is NOT required in a piping system’s inspection plan?

A. Name of individual that will perform the inspection
B. Surface cleaning requirements
C. Type of NDE that will be used
D. Next inspection date

A

A. Name of individual that will perform the inspection

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7
Q

All RBI assessments must be conducted in accordance with:

A. API 571
B. API 579
C. API 580
D. ASME Section VIII, Div 2.

A

C. API 580

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8
Q

In the RBI process, what are the two primary factors used to determine risk?

A. Consequence of Failure and Service Class
B. Reliability and the On-stream percentage
C. Probability and Consequence of Failure
D. Inspection Effectiveness and Corrosion Mechanism

A

C. Probability and Consequence of Failure

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9
Q

Who authorizes the use of RBI assessments to set inspection intervals?

A. Authorized inspector
B. Authorized inspector and engineer
C. Owner/user
D. Corrosion Specialist

A

C. Owner/user

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10
Q

During a risk assessment, which of the following factors does NOT increase the probability of failure?

A. Volume of release
B. Age of the equipment
C. Effectiveness of the inspection program
D. Type of degradation mechanism

A

A. Volume of release

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11
Q

During a risk assessment, which of the following factors most affects the consequence of failure?

A. Type and amount of process fluid
B. Age of equipment
C. Effectiveness of the inspection program
D. Type of degradation mechanism

A

A. Type and amount of process fluid

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12
Q

Which of the following is NOT a significant factor in an RBI assessment of piping system?

A. Internal and external corrosion rate
B. All forms of cracking mechanisms
C. Piping construction code
D. Effectiveness of past inspections

A

C. Piping construction code

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13
Q

During an RBI assessment of a piping system, which of the following is NOT a significant factor that is considered to the analysis of the Consequence of Failure?

A. Health effects
B. Public image
C. Environmental Impacts
D. Explosions
E. Fires
A

B. Public image

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14
Q

All RBI assessments must be:

A. Repeated every 5 years
B. Thoroughly documented
C. Approved only by the authorized inspector
D. Conducted per guildlines in API 579

A

B. Thoroughly documented

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15
Q

If RBI assessments are used to set intervals, the assessment shall be repeated:

A. Every 5 years
B. Every 10 years
C. After each inspection
D. Once in a “blue moon”

A

C. After each inspection

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16
Q

If RBi assessments are used to set intervals, the assessment shall be repeated:

A. Every 5 years
B. Every 10 years
C. After each significant process change
D. After each significant process or hardware change

A

D. After each significant process or hardware change

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17
Q

All NDE equipment used in petrochemical facilities must:

A. Have a safety rating appropriate for all gaseous environment and the exam site
B. Be calibrated daily
C. Be used by a technician that is qualified to ASNT SNT-TC-1A
D. Have an ASME Section V approval seal

A

A. Have a safety rating appropriate for all gaseous environment and the exam site

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18
Q

Which of the following is NOT a requirement prior to performing an inspection?

A. Review previous equipment history
B. Obtain permission from the appropriate operation personnel
C. Check all the support equipment used during the inspection is safe to use
D. Be certified as an ASNT SNT-TC-1A Level 2 in VT

A

D. Be certified as an ASNT SNT-TC-1A Level 2 in VT

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19
Q

If a pipe is large enough for an internal inspection. The internal inspection should meet the requirements of:

A. API 510
B. API 579
C. API 580
D. API 2201
E. ASME Section VIII Division I
A

A. API 510

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20
Q

Who is responsible to perform the on-stream inspection of a piping system?

A. Authorized inspector
B. Examiner
C. Authorized inspector or an examiner
D. Authorized inspector or qualified others

A

C. Authorized inspector or an examiner

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21
Q

When UT thickness measurements are taken:

A. They must be taken by an examiner qualified to ASNT
B. The owner must assure competency of those taking the readings
C. The exam must be conducted with at least 100 ft-candles of light
D. A minimum of 3 readings are taken at each CML

A

B. The owner must assure competency of those taking the readings

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22
Q

UT thickness measurements may be performed by the:

A. Authorized inspector
B. Examiner
C. Authorized inspector or the examiner
D. API qualified shear wave examiner

A

C. Authorized inspector or the examiner

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23
Q

Who is responsible to perform the external inspection on a piping system?

A. Authorized inspector
B. Examiner
C. Authorized inspector or an examiner
D. Authorized inspector or qualified others

A

D. Authorized inspector or qualified others

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24
Q

Who is responsible to perform the external inspection on a piping system?

A. Authorized inspector
B. Examiner
C. Authorized inspector or an examiner
D. Authorized inspector or qualified others

A

D. Authorized inspector or qualified others

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25
Q

During the external inspection, the inspector should always:

A. Check the wall thickness at each TML location
B. Record for any unrecorded temporary repairs
C. Record the temperature of the piping system
D. Remove a part of any insulation

A

B. Record for any unrecorded temporary repairs

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26
Q

During the external inspection, the inspector should look for components that have been replaced with incorrect metallurgy. Which of the following components are most susceptible to being replaced with the wrong Metallurgy?

A. Socket-welded connections
B. Flanged components
C. Threaded components
D. Austenitic SS components

A

C. Threaded components

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27
Q

What NDE technique can be used to find hot spots on refractory lined piping?

A. Shear wave UT
B. Acoustic emissions
C. Radiography
D. Thermography

A

D. Thermography

28
Q

When designating an injection point circuit, the recommended upstream limit of the injection point circuit is a minimum of:

A. 12 inches or 3 pipe diameters, whichever is less
B. 12 inches or 3 pipe diameters, whichever is greater
C. 12 inches or 10 pipe diameters, which is less
D. 12 inches or 10 pipe diameters, which is greater

A

B. 12 inches or 3 pipe diameters, whichever is greater

29
Q

When designating an injection point circuit, the recommended downstream limit of the injection point circuit is a minimum of:

A. 25 feet from the injection point
B. 12 inches past the 1st change in direction
C. The 2nd change in direction
D. 25 feet past the 2nd change in direction
E. The lessor of 2nd change in direction or 25 feet past the 1st change in direction

A

E. The lessor of 2nd change in direction or 25 feet past the 1st change in direction

30
Q

Which of the following is NOT necessarily applicable when selecting CML locations within injection point circuits that are subject to localized corrosion?

A. Established a UT grid with reading point spacing

A

A. Established a UT grid with reading point spacing

31
Q

During scheduled inspections of injection points, more extensive inspection should be applied to area beginning 12 inches upstream of the injection nozzle and continuing:

A. At least 3 pipe diameters downstream of the injection point
B. At least 10 pipe diameters downstream of the injection point
C. To the first change in flow direction
D. To 25 feet past the 1st change in direction

A

B. At least 10 pipe diameters downstream of the injection point

32
Q

The number of CML’s on a piping system are being substantially reduced? Who should be consulted?

A. Person knowledgeable in corrosion
B. Piping equipment engineer
C. Both the authorized inspector and the piping engineer
D. Either the authorized inspector or the piping engineer

A

A. Person knowledgeable in corrosion

33
Q

In which of the following piping systems can the number of CML’s be eliminated or significantly reduced?

A. Crude unit overhead piping
B. Cat reformer regenerating piping
C. Olefins cold side piping
D. Caustic piping

A

Olefins cold side piping

34
Q

CML’s should be marked and recorded on:

A. The drawings
B. On the actual piping system
C. On both the drawings and actual piping system
D. The authorized inspectors unfailing memory

A

C. On both the drawings and actual piping system

35
Q

Which of the following types of corrosion mechanisms usually creates uniform corrosion?

A. Ammonia salts
B. Caustic embrittlement
C. HTHA
D. Sulfidation

A

D. Sulfidation

36
Q

More CML’s should be selected in piping system with:

A. Long straight-run piping systems
B. Higher potential for stress corrosion cracking
C. Higher potential for hydrogen blistering
D. Higher expected corrosion rates

A

D. Higher expected corrosion rates

37
Q

Fewer CML’s could be selected in piping systems that have:

A. Long straight piping runs
B. More potential for localized corrosion
C. Processes that have significant variation in feeds
D. Corrosion rates exceeding 0.005 ipy

A

A. Long straight piping runs

38
Q

CML’s can be eliminated from piping systems only when:

A. The probability of failure is extremely low
B. The consequence of failure is extremely low
C. Either the probability or consequence of failure is extremely low
D. Both the probability and consequence of failure is extremely low

A

C. Either the probability or consequence of failure is extremely low

39
Q

Profile radiography is preferred when taking thickness measuring on piping less that or equal to:

A. 1/2 NPS
B. 1 NPS
C. 1 1/2 NPS
D. 2 NPS

A

B. 1 NPS

40
Q

Thickness readings are taken using UT. Above what temperature should special procedures be used in order to ensure accurate readings?

A. 150F
B. 250F
C. 400F
D. 500F

A

A. 150F

41
Q

A pressure test on a piping system is normally conducted to the requirements of:

A. ASME B16.5
B. ASME B31.3
C. ASME Section VII Div. 1
D API 598

A

B. ASME B31.3

42
Q

A pressure test cannot be performed using water due to potential contamination of the process. A flammable liquid will be used in-lieu of water. The flash point of the test medium must be at least:

A. 50F
B. 120F
C. 150F
D. 400F

A

B. 120F

43
Q

When hydrostatic testing 300 series stainless steel piping systems, the maximum chloride must not exceed:

A. 50 parts per million
B. 100 parts per million
C. 200 parts per million
D. 250 parts per million

A

A. 50 parts per million

44
Q

Which of the following is NOT a requirement when hydrostatic testing 300 series stainless steel piping systems?

A. Use low chloride water
B. Raise the pressure in small steps
C. Thoroughly drain the piping
D. Thoroughly dry the inside of the pipe

A

B. Raise the pressure in small steps

45
Q

A hydrotest will be performed on an austenitic stainless steel piping that is subject to polythionic stress corrosion cracking. What type of test fluid should be considered for the hydrostatic test?

A. Low chloride water
B. Low sodium water
C. Alkaline-water solution
D. Steam condensate

A

C. Alkaline-water solution

46
Q

A pneumatic test may be performed when it is impractical to perform a hydrostatic test. At a minimum, the safety precautions of which code should be followed?

A. API 579
B. ASME Section II
C. ASME Section VII Division 2
D. ASME B31.3

A

D. ASME B31.3

47
Q

Brittle fractures usually have occurred:

A. During startup
B. In Vessels made with thinner materials
C. During the first hydrotest
D. In stainless steel vessls

A

C. During the first hydrotest

48
Q

Which of the following materials is most prone to temper embrittlement?

A. Carbon steel
B. Low chromes
C. Stainless steel
D. High nickel alloys

A

B. Low chromes

49
Q

A hydrotest is performed on an existing piping system following a major repair. The pipe wall is 1/2” thick. What is the minimum allowed metal temperature during the test?

A. 32F
B. 70F
C. 10F above vessel’s MDMT
D. 30F above vessel’s MDMT

A

C. 10F above vessel’s MDMT

50
Q

A hydrotest is performed on exisiting pipe system following a major repair. The pipe wall 2-1/2” thick. What is the minimum allowed metal temperature during the test?

A. 32F
B. 70F
C. 10F above the vessel’s MDMT
D. 30F above the vessel’s MDMT

A

D. 30F above the vessel’s MDMT

51
Q

During a pressure test, some of the system’s valves will be used to isolate during the test. Caution should be used not to exceed the permissible seat pressure descried in:

A. ASME B16.34
B. ASME B31.3
C. API 578
D. API 2201

A

A. ASME B16.34

52
Q

Hydrotest is being conducted on a piping system. The relief device is not removed or blinded. What other option can be used to keep the relief device from popping?

A. Blind the outlet of the relief device
B. Place test clamps on the relief device
C. Adjust the relief device’s valve spring
D. Place a rupture disk under the relief device having burst pressure of 125% of the design pressure

A

B. Place test clamps on the relief device

53
Q

A material verification program should be consistent with which code?

A. API 578
B. API 579
C. API 580
D. API 581

A

A. API 578

54
Q

Per API 570, during repairs and alterations, the inspector shall verify that the new materials being used are correct. What is the minimum amount of verification that the inspector shall perform?

A. 100% of all metallurgy’s
B. 100% of all alloys
C. A sampling of all metallurgy’s API 581
D. A sampling of all alloys
E. A sampling of all alloys used to maintain pressure containment

A

E. A sampling of all alloys used to maintain pressure containment

55
Q

PMI testing shall be performed by:

A. An authorized inspector or examiner
B. The authorized inspector
C. Someone with a level II or III SNT-TC-1A PMI certifiation
D. Someone else, its never a my job!

A

A. An authorized inspector or examiner

56
Q

A piping elbow fails on a 9% Chrome piping system. It is determined that the failed elbow was really just 2-1/4% chrome that was accidentally installed. Further verification of the other existing materials is probably needed. Who determines the how much additional verification is needed

A. Authorized inspector
B. Engineer
C. Both the authorized inspector and engineer
D. Owner/user

A

A. Authorized inspector

57
Q

Who determines the need to establishing a PMI program at a petrochemical facility?

A. API’s compliance committee
B. Authorized piping inspector
C. Corrosion engineer
D. Owner/User

A

D. Owner/User

58
Q

In a pipe circuit, normally thickness measurements are NOT taken on which of the following components?

A. Elbows
B. Reducers
C. Tees
D. Valves

A

D. Valves

59
Q

A piping system has experienced high rates of corrosion in turbulent areas. The inspector decides to check the gate valves in the line for corrosion. The most likely place for accelerated corrosion is:

A. At the inlet
B. At both the inlet or outlet
C. Between the seats
D. In the area directly next to the valve stem packing

A

C. Between the seats

60
Q

Control Valves bodies, particularly in high-pressure drop services, are most susceptible to what type of degradation mechanism?

A. Localized erosion
B. Localized corrosion/erosion
C. Crevice corrosion
D. Fatigue

A

B. Localized corrosion/erosion

61
Q

Critical check valves should be inspected with a(n):

A. Visual exam
B. Internal visual exam
C. Internal visual exam and used of either MT or PT
D. Sonic scope during operation to determine if flow reversal is occurring.

A

B. Internal visual exam

62
Q

If a crack like indication is detected while the piping system is in operation, further inspection to determine the magnitude of the imperfection may be accomplished with which of the following NDE techniques.

A. Acoustic emission
B. Weld quality radiography
C. Eddy current
D. Guided wave UT

A

B. Weld quality radiography

63
Q

Environmental cracking is discovered in profile RT of a piping system. Who should evaluate whether this piping component is fit for continued service?

A. Corrosion specialist?
B. Piping engineer
C. Both an inspector and engineer
D. Both an engineer and corrosion specialist
E. Either an engineer or corrosion specialist

A

E. Either an engineer or corrosion specialist

64
Q

During an in-service inspection of a piping profile RT was used to check the wall thickness. On a RT an area preferential corrosion is discovered in the weld. This discontinuity:

A. Must meet the acceptable criteria of B31.3
B. Must meet the acceptance criteria of B31.3 or the construction code
C. Must be evaluated to API 580
D. Must be evaluated by engineer
E. Must be evaluated by an inspector

A

E. Must be evaluated by an inspector

65
Q

In which of the following situations are industry-qualified UT shear wave examiners NOT required?

A. Perform external UT to detect interior surface planar flaws
B. Perform internal UT to detect cracts that go through the wall
C. Perform external UT to detect and size internal pitting
D. Perform internal UT to size cracks that go through the wall

A

C. Perform external UT to detect and size internal pitting

66
Q

Flange bolts are unacceptable if the bolt thread doe not extend:

A. Beyond the face of the nut by 1 thread
B. Inside the nut within 1/2 thread of the nut face
C. Inside the nut within 1 thread of the nut face
D. Inside the nut within 2 threads of the nut face

A

C. Inside the nut within 1 thread of the nut face

67
Q

A flanged join that was clamped and pumped with leak sealant is found to be leaking. What should be done prior to repumping the flanged joint assembly?

A. Remove the clamped assembly and have the flanged joint inspected
B. Replace all of the flanged joint bolting before repumping
C. Ensure that the vendor is using API certified sealant materials.
D. Perform the work only after an engineer has approved

A

B. Replace all of the flanged joint bolting before repumping

API 570 (13 decks)

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