AWS CWI Part A – WIT Chapter 10

AWS CWI Part A – WIT Welding Inspection Technology Chapter 10 – Visual Inspection and Other NDE Methods and Symbols- Latest 31 Question and Answers

1.

Which of the following non-destructive testing methods are limited to the detection of surface discontinuities?

 Visual

 Penetrant

 Radiographic

 A and B above

2.

To be most effective, a visual inspection should be performed:

 Before welding

 During welding

 After welding

 All of the above

3.

The time period during which the penetrant remains on the surface of the part allowing it to be drawn into any surface discontinuities is called:

 Waiting time

 Penetrating time

 Soak time

 Dwell time

4.

Which type of magnetizing current provides the best iron particle mobility?

 AC

 DC

 DCEP

 B and C above

5.

What MT technique could be used for the discovery of longitudinal flaws?

 Headshot (circular magnetism)

 Side shot

 Coil shot (longitudinal magnetization)

 D. A and B above

6.

Which of the following magnetizing methods produce a circular magnetic field in the test piece?

 Headshot

 Passing an electrical current through the part

 Prod

 All of the above

7.

Which of the following magnetizing methods can produce a longitudinal magnetic field in the test piece?

 a. head shot

 b. coil shot

 c. yoke

 B and C above

8.

What NDT method is best for evaluating subsurface porosity?

 PT

 MT

 RT

 VT

9.

Which of the following statements is correct for radiographic testing?

 A reduction in thickness will produce a lighter image on the film.

 A low-density discontinuity will produce a lighter image on the film.

 A high-density discontinuity will produce a lighter image on the film.

 A and B above

10.

Radiographic testing (RT) can be performed using which of the following?

 X-ray machine

 Cesium 137

 Lridium 192

 Cobalt 60

 All of the above

11.

MT can be used most effectively to inspect which of the following?

 Austenitic stainless steel welds on carbon steel

 Austenitic stainless steel welds on stainless steel

 Carbon steel welds on carbon steel

 A and B above

12.

Which of the following discontinuities will not usually be revealed using RT?

 Crack

 Incomplete joint penetration

 Porosity

 Lamination

13.

What device is used during radiography to indicate the resolution sensitivity of a radiograph?

 IQI

 Dosimeter

 Lead screen

 All of the above

14.

Which nondestructive test method uses sound energy as a probing medium?

 MT

 RT

 UT

 PT

15.

The process whereby ultrasonic indications are related to dimensions in a test standard is referred to as:

 Setup

 Calibration

 Standardization

 Synchronization

16.

As-welded groove welds are usually inspected ultrasonically using what technique?

 Straight beam

 Shear wave

 Angle beam

 B and C above

17.

Capillary action plays a role in which NDT method?

 ET

 UT

 RT

 PT

18.

Which NDT method is considered to be a true volumetric test?

 RT

 UT

 PT

 MT

19.

Which NDT method uses an alternating current coil?

 MT

 UT

 ET

 A and C above

20.

Changes in heat treatment can be measured using which NDT method?

 ET

 RT

 MT

 UT

21.

Which of the following NDT methods can detect surface cracks?

 RT

 VT

 ET

 PT

 All of the above

22.

Which NDT method is most likely to reveal subsurface laminations in a rolled plate?

 RT

 UT

 ET

 MT

23.

Piezoelectricity is a property used by which NDE method?

 ET

 UT

 RT

 A and B above

24.

Which is the best technique for orienting magnetic lines of force when conducting MT testing?

 Two directions

 Single direction

 Residual magnetism

 All of the above

25.

What resolution sensitivity is normally required for RT?

 2%

 4%

 5%

 7%

26.

What is the basic element of evaluation in any quality control program?

 Radiographic testing

 Penetrant testing

 Visual inspection

 All of the above

27.

When should the applicable job documents be reviewed?

 After the job is completed

 Before welding begins

 At any time when information is necessary

 B and C above

28.

What is the role of the AWS CWI in NDE?

 See that inspections are done

 Verify personnel qualifications for NDE inspection

 Prepare proper records

 See that proper records are maintained

 All of the above

29.

A number in parentheses just above or below a test symbol describes:

 The length of weld to be tested

 The extent of testing

 The number of tests to perform

 The type of test to perform

30.

A number to the right of a nondestructive testing symbol refers to the:

 Number of tests to perform

 The length of weld to be tested

 The applicable quality standard

 The test procedure to use

31.

Test information above the reference line refers to the arrow side.

 True

 False

 Loading …

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AWS CWI Part A – WIT Welding Inspection Technology Chapter 10 – Visual Inspection and Other NDE Methods and Symbols- Latest 31 Question and Answers

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