AWS CWI Questions and Answers (Module 11)

The free pdf file of Thirty-one (31) Module 10 Q&A model of 2000 version:

Module 10 AWS CWI QUESTIONS ANSWERS (pdf) DOWNLOAD

The Below  Fourty-four (44) Questions are model of 2018 version

Module 11: NDT and Visual inspection

Q11-1 Which of the following nondestructive examination methods do not usually require electricity?
a. eddy current
b. visible dye penetrant
c. visual
d. a and b above
e. b and c above y

Q11-2 Which of the following nondestructive examination methods is limited to the detection of surface discontinuities?
a. visual
b. penetrant
c. magnetic particle
d. all of the above
e. none of the above

Q11-3 To be most effective, visual inspection should be performed:
a. before welding.
b. during welding.
c. after welding.
d. all of the above
e. none of the above

Q11-4 The time during which the penetrant remains on the surface of the part to allow it to be drawn into any discontinuities is called:
a. waiting time
b. penetrating time
c. soak time
d. dwell time
e. none of the above

Q11-5 Which type of magnetizing current provides the best combination of penetrationability and particle mobility?
a. AC
b. DC
c. half-wave rectified DC
d. b and c above
e. all of the above

Q11-6 What NDE method will most likely reveal subsurface porosity?
a. PT
b. MT
c. RT
d. UT
e. all of the above

Q11-7 Which of the following statements is correct for a radiographic test?
a. A reduction in thickness will produce a light image on the film.
b. A low-density discontinuity will produce a light image on the film.
c. A high-density discontinuity will produce a light image on the film.
d. a and b above
e. b and c above

Q11-8 Which of the following discontinuities is almost never detected using RT?

a. crack
b. incomplete fusion
c. undercut
d. lamination .
e. none of the above

Q11-9 What device is used during radiography to indicate the acquired sensitivity of a radiograph?
a. rate meter
b. dosimeter
c. lead screen
d. penetrameter
e. none of the above

Q11-10 Which nondestructive examination method utilizes sound energy as a probing medium?
a. VT
b. RT
c. UT
d. PT
e. ET

Q11-11 The process whereby the ultrasonic indications are related to physical distances in a test standard is referred to as:
a. setup
b. calibration
c. standardization
d. synchronization
e. none of the above

Q11-12 A test probe containing an alternating current coil is used for which NDE method?
a. RT
b. UT
c. ET
d. MT
e. c & d above

Q11-13 Changes in electrical conductivity can be measured using which NDE method?
a. ET
b. RT
c. MT
d. UT
e. none of the above

Q11-14 Which of the following NDE methods are suitable for detecting surface cracks?
a. RT
b. VT
c. ET
d. PT
e. all of the above

Q11-15 What NDE method is most likely to reveal internal laminations in a rolled plate?
a. RT
b. UT
c. ET
d. MT
e. none of the above

Q11-16 PT is limited to the detection of those discontinuities which are?
a. near the test object surface
b. open to the test object surface
c. clean and open to the test object surface
d. all of the above
e. none of the above

Q11-17 Visible dye penetrant indications:
a. must be observed under a black light
b. don’t have to be observed under a black light, but are more sensitive if they are
c. must be observed under ultraviolet light
d. must be observed under white light
e. none of the above

Q11-18 Penetrant can be applied by:
a. brushing
b. spraying
c. dipping
d. all of the above
e. none of the above

Q11-19 Fluorescent penetrants are generally more sensitive than visible dye penetrants because:
a. they can flow into smaller cracks
b. fluorescent indications are better seen by the human eye
c. they are subject to greater capillary action
d. a and c above
e. b and c above

Q11-20 Which of the following cause decreased sensitivity in PT?
a. too heavy application of the developer
b. oily or greasy test object
c. improper penetrant removal
d. all of the above
e. none of the above

Q11-21 PT is limited to test objects which:
a. are metallic
b. are porous
c. are magnetic
d. are nonporous
e. have subsurface discontinuities

Q11-22 MT will discover:
a. surface discontinuities
b. slightly subsurface discontinuities
c. underbead cracking
d. a and b above
e. all of the above

Q11-23 MT is most sensitive to those discontinuities which are:
a. within 45° of perpendicular to the lines of flux
b. within 45° of parallel to the lines of flux
c. perpendicular to the lines of flux
d. parallel to the lines of flux
e. none of the above

Q11-24 MT is limited to test objects which:
a. are metallic
b. are porous
c. are ferromagnetic
d. are nonporous
e. have subsurface discontinuities

Q11-25 UT is most sensitive to those discontinuities which are:
a. within 45° of perpendicular to the sound waves
b. within 45° of parallel to the sound waves
c. perpendicular to the sound waves
d. parallel to the sound waves
e. none of the above

Q11-26 UT uses frequencies:
a. below the range of human hearing
b. within the range of human hearing
c. above the range of human hearing
d. beside the range of human hearing
e. none of the above

Q11-27 In UT the horizontal axis of the CRT screen gives information about:
a. the distance the sound has traveled in the part
b. the amount of sound energy reflected
c. the type of discontinuity
d. discontinuity orientation
e. discontinuity cause

Q11-28 RT shows areas of lower density as:
a. dark regions on the film
b. light regions on the film
c. light or dark regions on the film
d. all of the above
e. none of the above

Q11-29 RT shows areas of less thickness as:
a. dark regions on the film
b. light regions on the film
c. light or dark regions on the film
d. all of the above
e. none of the above

Q11-30 RT shows areas of increased transmission as:
a. dark regions on the film
b. light regions on the film
c. light or dark regions on the film
d. all of the above
e. none of the above

Q11-31 Tungsten inclusions generally appear in RT as:
a. dark regions on the film
b. light regions on the film
c. light or dark regions on the film
d. all of the above
e. none of the above

Q11-32 Cracks generally appear in RT as:
a. dark lines on the film
b. light lines on the film
c. light or dark lines on the film
d. all of the above
e. none of the above

Q11-33 Weld reinforcement generally appears as:
a. dark regions on the film –
b. light regions on the film
c. light or dark regions on the film
d. all of the above
e. none of the above

Q11-34 Porosity generally appears in RT as:
a. dark regions on the film
b. light regions on the film
c. light or dark regions on the film
d. ail of the above
e. none of the above

Q11-35 Shallow surface cracks can best be detected in 308 stainless by:
a.UT
b. MT
c. RT
d. PT
e. all of the above

Q11-36 Underbead cracks can best be detected by:
a. ET
b. MT
c. UT
d. PT
e. all of the above

Q11-37 Porosity in ESW can best be detected by:
a. UT
b. MT
c. RT
d. PT
e. all of the above

Q11-38 The vertical axis of the UT CRT screen represents:
a. distance
b. time
c. reflector size
d. none of the above
e. all of the above

Q11-39 What NDE method(s) rely on the transmission of sound energy through the test object?
a. RT
b. UT
c. AET
d. a and b above
e. b and c above

Q11-40 What NDE method(s) often rely on the application of a hydrostatic pressure to a vessel?
a. pressure tests
b. leak tests
c. proof tests
d. all of the above
e. none of the above

Q11-41 What test below is applied to determine the metallurgical effects of welding on austenitic stainless steels?
a. RT
b. PRT
c. ferrite test
d. UT
e. PT

Q11-42 Application of a vacuum box to the inside surface of a steel storage tank is one form of which test below?
a. VT
b. PRT
c. LT
d. all of the above
e. none of the above

Q11-43 FN is a unit of measurement with which test below?
a. RT
b. PRT
c. ferrite test
d. UT
e. PT

Q11-44 NDE personnel are normally qualified in accordance with
a. ASME Section V
b. AWS D1.1
c. ANSI SNT -TC-1A
d. ASNT SNT -TC-lA
e. ASME SNT -TC-lA

Key 1-20:

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Key 21-44

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