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CWB1 > Basic Inspection Concepts and Methods Exam > Flashcards

Basic Inspection Concepts and Methods Exam Flashcards

1
Q

What is a lamination in a material? (Multiple Choice)
Question 1 options:

A) A slag like discontinuity found in a base metal transverse to the rolling direction.

B) A discontinuity found in a base metal that lies parallel to the surface.

C) A transverse flaw that creates brittleness in a material.

D) A tear like formation in a base metal created by thermal expansion.

A

B) A discontinuity found in a base metal that lies parallel to the surface.

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2
Q

What is a discontinuity? (Multiple Choice)
Question 2 options:

A) Any disruption in the physical or compositional feature of a part.

B) A disruption that exceeds the acceptance criteria of the relevant code, standard, or specification.

C) A flaw in the base metal that lies parallel to the surface.

D) A defined set of parameters against which the features of a component may be judged.

A

A) Any disruption in the physical or compositional feature of a part.

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3
Q

The inspector’s reports and records should be written in a clear and concise form so that ______________ will have no difficulty in interpreting their meaning. (Multiple Choice)
Question 4 options:

A) The inspector and other inspection personnel.

B) Management, design, or whoever else may be concerned.

C) The fabrication foreman and welding personnel.

D) The owner’s design group.

A

B) Management, design, or whoever else may be concerned.

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4
Q

It is the inspector’s responsibility to judge the acceptability of repaired welds. (True/False)
Question 6 options:
True
False

A

True

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5
Q

In production sample selection, some standards define specific levels of scrutiny when a rejection rate is found to be low. (True/False)
Question 7 options:
True
False

A

True

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6
Q

An inspector is required to be proficient in all of inspection methods. (True/False)
Question 9 options:
True
False

A

False

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7
Q

Prior to welding being carried out as stated in a contract, what is the duty of the inspector?: (Multiple Choice)
Question 10 options:

A) To verify that the fabricator uses weld procedures common to other shops.

B) To verify that the welders have been equipped with proper safety and production requirements.

C) To verify that the welding procedure and performance qualifications have been established and approved.

D) To verify the fabricator is familiar with the local codes and standards required for the job.

A

C) To verify that the welding procedure and performance qualifications have been established and approved.

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8
Q

When would the pitch and catch technique be employed in ultrasonic testing? (Multiple Choice)
Question 15 options:

A) When the weld joint configuration cannot allow the ultrasonic beam to interact with areas of interest at 90°.

B) When the base metal has more than one area of interest to inspect when the transducer angles add up to 90° in total.

C) When the base metals are of a denser material, not allowing for sound wave penetration.

D) When one welded connection is being inspected by more than one ultrasonic inspector.

A

A) When the weld joint configuration cannot allow the ultrasonic beam to interact with areas of interest at 90°.

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8
Q

Microcracks may be revealed with the liquid penetrant test method using: (Multiple Choice)
Question 13 options:

A) Visible dye.

B) Increased dwell times.

C) Fluorescent dye.

D) Increased amounts of developer.

A

C) Fluorescent dye.

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9
Q

When a weld has internal discontinuities such as slag or gas holes and radiography is being used as the non-destructive test method, ___________ will reach the film under these areas compared to an adjacent area which has no discontinuities. (Multiple Choice)
Question 16 options:

A) More radiation.

B) Less radiation.

C) A similar amount of radiation.

D) No amount of radiation.

A

A) More radiation.

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10
Q

When performing the liquid penetrant inspection on austenitic stainless steels, why should the halogen content should be limited? (Multiple Choice)
Question 17 options:

A) It can cause surface discoloration.

B) It can cause porosity in repair welds.

C) Under certain conditions halogens can cause stress corrosion cracking.

D) Under certain conditions halogens may cause adverse longitudinal inclusions.

A

C) Under certain conditions halogens can cause stress corrosion cracking.

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11
Q

Compared to magnetic particle testing, liquid penetrant testing is: (Multiple Choice)
Question 19 options:

A) Faster to obtain results.

B) About the same time to obtain results.

C) Not as fast to obtain results.

D) Less in processing steps.

A

C) Not as fast to obtain results.

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12
Q

How does the XRF PMI method determine the material’s chemical composition? (Multiple Choice)
Question 18 options:

A) Counting the atomic size.

B) Electron emission.

C) Measuring the fluorescent x-rays emitted from a sample.

D) Gamma ray absorption.

A

C) Measuring the fluorescent x-rays emitted from a sample.

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13
Q

Which device is used to verify that the radiographic procedure will meet specific code requirements? (Multiple Choice)
Question 20 options:

A) Spectrometer.

B) Hydrometer.

C) Penetrameter/IQI.

D) Radiographic Flash.

A

C) Penetrameter/IQI.

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14
Q

What is used by a welding inspector to standardize inspections and provide a format for the documentation of inspection activities? (Multiple Choice)
Question 21 options:

A) Fillet weld gauge.

B) Procedure specification.

C) Welding procedure data sheet.

D) Inspector checklist.

A

D) Inspector checklist.

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15
Q

What is the major limitation of many portable chemical analysis systems? (Multiple Choice)
Question 22 options:

A) The complexity of the devices.

B) The harmful rays emitted from the devices.

C) The inability to analyze for carbon content.

D) The inability to analyze for manganese content.

A

C) The inability to analyze for carbon content.

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16
Q

The most common PMI method used is the X-Ray Fluorescence Spectroscopy (XRF). (True/False)
Question 23 options:
True
False

A

True

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17
Q

What are the two methods of radiography used in the inspection of welds? (Multiple Choice)
Question 24 options:

A) X-ray and alpha ray.

B) X-ray and beta ray.

C) X-ray and UV ray.

D) X-ray and gamma ray.

A

D) X-ray and gamma ray.

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18
Q

What is a drive cable used for in gamma radiography? (Multiple Choice)
Question 25 options:

A) To move the inspection equipment from one site to the next.

B) To remotely project the radiation source from the safe position.

C) To allow access to the radiation meter.

D) To stop the radiographic image from developing.

A

B) To remotely project the radiation source from the safe position.

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19
Q

Which of the following is NOT related to radiographic inspection? (Multiple Choice)
Question 27 options:

A) Transducer.

B) Film.

C) Isotope.

D) Penetrameter.

A

A) Transducer.

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20
Q

Gamma radiation emitted by a radioscope of Co-60 has wavelengths that are longer than Ir-192. (True/False)
Question 30 options:
True
False

A

False

21
Q

Visual welding inspection is: (Multiple Choice)
Question 29 options:

A) Used strictly to complement other NDE procedures.

B) One of the most extensively used methods of inspection.

C) Only performed by welding inspectors.

D) Restricted to shop environments.

A

B) One of the most extensively used methods of inspection.

22
Q

The hardness of a material is defined as: (Multiple Choice)
Question 1 options:

A) The resistance of the metal to abrasion, deformation and indentation.

B) A disruption that exceeds the acceptance criteria of the relevant code, standard, or specification.

C) A flaw that creates brittleness in a material.

D) The ability to resist an impact at low temperatures.

A

A) The resistance of the metal to abrasion, deformation and indentation.

23
Q

When sampling is left to the inspector, the inspector should choose a number of samples, which should: (Multiple Choice)
Question 3 options:

A) Not be excessive but should be sufficiently random to determine that the required standards are being met.

B) Not be enough to cause production delays in the project.

C) Be in areas that are easily accessible for the type of test requested.

D) Be easy to control during the testing.

A

A) Not be excessive but should be sufficiently random to determine that the required standards are being met.

24
Q

When the various tests have been performed in accordance with the requirements, the inspector must perform: (Multiple Choice)
Question 9 options:

A) A consult with the fabricator to see If they meet quality standards.

B) A consult with the end user to see if they are acceptable.

C) An evaluation of the results and decide whether they meet the specified requirements.

D) A recommendation for the repair procedures for components that failed the tests.

A

C) An evaluation of the results and decide whether they meet the specified requirements.

24
Q

It is essential that the inspector demonstrates _____________ when applying visual or other inspection procedures and when assessing the acceptability of welds. (Multiple Choice)
Question 8 options:

A) Good solid decisions in favor of the fabricator.

B) Good solid decisions in favor of the owner.

C) Base decisions on the strictest standards possible.

D) A solid endeavor to exercise sound judgement.

A

D) A solid endeavor to exercise sound judgement.

24
Q

What are an inspector’s decisions governed by? (Multiple Choice)
Question 10 options:

A) Overall appearance of the fabrication.

B) Clearly defined requirements.

C) Management priorities.

D) Shop fabrication personnel’s requirements.

A

B) Clearly defined requirements.

25
Q

If changes are made to a welding procedure, what follow-up requirement is necessary by an inspector? (Multiple Choice)
Question 7 options:

A) Implement the changes in the welding and fabrication procedures.

B) Not allow for any changes to an approved welding procedure.

C) Ensure the changes do not exceed the limits prescribed by essential variables.

D) Ensure the changes are implemented on a one time basis only .

A

C) Ensure the changes do not exceed the limits prescribed by essential variables.

25
Q

What is the inspector’s responsibilities in welding personnel verification? (Multiple Choice)
Question 4 options:

A) To ensure that welding personnel are familiar with the NDE procedures being used.

B) Welders and welding operators are qualified for procedures used in the company’s fabrication.

C) Welding personnel are properly outfitted with the proper PPE.

D) Welding personnel are keeping proper time allocations to the job tasks at hand.

A

B) Welders and welding operators are qualified for procedures used in the company’s fabrication.

26
Q

Inspection records may be released to anyone who may be concerned. (True/False)
Question 5 options:
True
False

A

True

27
Q

Some procedures put in place may not be necessary to control the welding operations and quality of the structure. (True/False)
Question 11 options:
True
False

A

False

28
Q

What is the main advantage of welding inspection? (Multiple Choice)
Question 12 options:

A) The ability to call for the specific types of quality testing when needed.

B) The ability to communicate between shop and engineering staff.

C) The ability to capture and resolve quality non conformances.

D) The ability to catch problems before they impact quality and delivery.

A

D) The ability to catch problems before they impact quality and delivery.

28
Q

What is the most common way to induce a magnetic field for MPI? (Multiple Choice)
Question 13 options:

A) AC/DC prod method.

B) Permanent magnet method.

C) Rare earth magnet method.

D) AC/DC yoke method.

A

D) AC/DC yoke method.

29
Q

In the process of performing a UT inspection method, a void in the material is discovered by an evaluation resulting from the cause of an ___________which reflects the UT beam. (Multiple Choice)
Question 14 options:

A) Low frequency ping.

B) Acoustic mismatch.

C) High frequency ping.

D) Audible sound.

A

B) Acoustic mismatch.

30
Q

An ITP is a step by step process for the development of a welding procedure specification. (True/False)
Question 16 options:
True
False

A

False

31
Q

The inspector must ensure that the welder is working in accordance with an approved welding procedure. (True/False)
Question 17 options:
True
False

A

False

32
Q

When should a welding inspection begin? (Multiple Choice)
Question 18 options:

A) When the components are assembled and ready to weld.

B) Prior to the actual fabrication process.

C) When the fabricator is ready to assemble the unit.

D) After the joints are tacked and ready to weld.

A

B) Prior to the actual fabrication process.

33
Q

What is the size of holes on a penetrameter related to? (Multiple Choice)
Question 22 options:

A) Thickness of the weldment.

B) Type of material of the weldment.

C) Use of x-ray or gamma-ray.

D) Thickness of the penetrameter.

A

D) Thickness of the penetrameter.

34
Q

When weld testing using the ultrasonic method, the operator must determine, develop, and perform an inspection technique based on what? (Multiple Choice)
Question 24 options:

A) Operators experience level.

B) Joint profile and filler metal.

C) Surface condition of the weld.

D) Weld process, material used, and joint design.

A

D) Weld process, material used, and joint design.

35
Q

Inspections should be part of planned operations, including the development of an inspection checklist. Choose which should be included in the inspection checklist: (Multiple Choice)
Question 27 options:

A) The scope of work, charged hours, and the inspector’s qualifications.

B) Inspector resume, inspection methods, and the results.

C) Pictures of inspected components, part numbers, and the materials used.

D) Inspection activity, accept/reject notes, and the inspector’s signature.

A

D) Inspection activity, accept/reject notes, and the inspector’s signature.

36
Q

When welding procedures are to be utilized, inspectors are required to verify them. (True/False)
Question 6 options:
True
False

A

True

37
Q

Once a welder has passed a qualification test, this will ensure the proper application of approved welding procedures. (True/False)
Question 10 options:
True
False

A

False

38
Q

When using magnetic particle inspection, why do most codes and standards deem it necessary to demagnetize the tested component after the evaluation process? (Multiple Choice)
Question 16 options:

A) Residual magnetic fields can make subsequent welding difficult due to arc blow.

B) Residual magnetism will hold magnetic particles to the surface.

C) Residual magnetic fields may cause the components to stick together.

D) Residual magnetism may interfere with the application of surface coatings

A

A) Residual magnetic fields can make subsequent welding difficult due to arc blow.

39
Q

What is a nose tube? (Multiple Choice)
Question 17 options:

A) The hose from which the radiation source is projected.

B) The hose that contains the high power cables.

C) The tube that propels electron streams.

D) The hose that is part of the water cooling system.

A

A) The hose from which the radiation source is projected.

40
Q

In an X-ray tube, what percentage of energy is generated from producing the X-ray beam? (Multiple Choice)
Question 18 options:

A) 70% heat and 30% X-rays.

B) 80% heat and 20% X-rays.

C) 90% heat and 10% X-rays.

D) 99% heat and 1% X-rays.

A

D) 99% heat and 1% X-rays.

41
Q

When applying the use of DC magnetic particle inspection, why is the use of prods prohibited by certain codes? (Multiple Choice)
Question 19 options:

A) Prods may leave residual magnetism.

B) Prods are less sensitive than other methods of magnetization.

C) Due to the chance of missing indications near the prods.

D) There is the chance of causing arc strikes.

A

D) There is the chance of causing arc strikes.

42
Q

Ultrasonic waves are created by passing pulses of electrical current through small electric resistors that vibrate at the frequency of the current pulses. In this manner electrical energy is converted to mechanical energy. (True/False)
Question 20 options:
True
False

A

False

43
Q

Once fabrication has been completed, the inspectors final inspection should: (Multiple Choice)
Question 21 options:

A) Confirm welder’s qualifications.

B) Verify heat input.

C) Verify proper WPDS used.

D) Check for discontinuities and defects.

A

D) Check for discontinuities and defects.

44
Q

What items are addressed on an ITP? (Multiple Choice)
Question 23 options:

A) Supervisors qualifications.

B) Inspectors qualifications.

C) Welders qualifications.

D) Fabrication requirements.

A

D) Fabrication requirements.

45
Q

Each penetrameter has numbers affixed to it, identifying what? (Multiple Choice)
Question 24 options:

A) The material and the minimum thickness of the plate.

B) The material and the maximum thickness of the plate.

C) Which holes must appear as images on the radiograph.

D) Use with either X-ray or gamma ray.

A

A) The material and the minimum thickness of the plate.

46
Q

When performing radiography, weld defects such as __________ may not be detected if the beam of radiation is not directed into the plane of the defect. (Multiple Choice)
Question 26 options:

A) Tungsten inclusion.

B) Slag inclusion.

C) Incomplete fusion.

D) Incomplete penetration.

A

C) Incomplete fusion.

47
Q

What is a lamination in a material? (Multiple Choice)
Question 2 options:

A) A slag like discontinuity found in a base metal transverse to the rolling direction.

B) A discontinuity found in a base metal that lies parallel to the surface.

C) A transverse flaw that creates brittleness in a material.

D) A tear like formation in a base metal created by thermal expansion.

A

B) A discontinuity found in a base metal that lies parallel to the surface.

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