NDE Flashcards
1. Which of the following nondestructive examination methods do not require electricity?
- Eddy Current
- Visible Dye Penetrant
- Visual
- “a” and “b” above
- “b” and “c” above
1. Which of the following nondestructive examination methods do not require electricity?
E. “b” and “c” above
b. Visible Dye Penetrant
c. Visual
2. Which of the following nondestructive examination methods is limited to the detection of surface discontinuities?
- Visual
- Penetrant
- Magnetic Particle
- “a” and “b” above
- All of the above
2. Which of the following nondestructive examination methods is limited to the detection of surface discontinuities?
D. “a” and “b” above
- Visual
- Penetrant
3. To be most effective, visual inspection should be performed:
- Before welding
- During welding
- After welding
- All of the above
- None of the above
3. To be most effective, visual inspection should be performed:
D. All of the above
- Before welding
- During welding
- After welding
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:
- Waiting time
- Penetrating time
- Soak time
- Dwell time
- None of the above
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:
D. Dwell time
5. Which type of magnetizing current provides the best combination of penetrating ability and particle mobility?
- AC
- DC
- Half-wave rectified AC
- “b” and “c”above
- All of the above
5. Which type of magnetizing current provides the best combination of penetrating ability and particle mobility?
C. Half-wave rectified AC
6. Which of the following magnetizing methods produce a circular magnetic field in the test piece?
- Head shot
- Passing electricity through the part
- Prod
- All of the above
- None of the above
6. Which of the following magnetizing methods produce a circular magnetic field in the test piece?
D. All of the above
- Head shot
- Passing electricity through the part
- Prod
7. Which of the following magnetizing methods produce a longitudinal magnetic field in the test piece?
a. Head shot
b. Passing electricity through the part
c. Yoke
d. All of the above
7. Which of the following magnetizing methods produce a longitudinal magnetic field in the test piece?
C. Yoke
8. What NOE method will most likely reveal subsurface porosity?
a. PT
b. MT
c. RT
d. UT
e. All of the above
8. What NOE method will most likely reveal subsurface porosity?
C. RT
9. Which of the following statements is correct for radiographic examination?
- A reduction in thickness will produce a light image on the film
- A low-density inclusion will produce a light image on the film
- A high-density inclusion will produce a light image on the film
- “A” and “b” above
- “b” and “c” above
9. Which of the following statements is correct for radiographic examination?
C. A high-density inclusion will produce a light image on the film
10. Radiography can be performed using:
- X-ray machine
- Cesium 137
- Iridium 192
- Cobalt 60
- All of these
10. Radiography can be performed using:
E. All of these
- X-ray machine
- Cesium 137
- Iridium 192
- Cobalt 60
11. Which of the following discontinuities will not likely be revealed using RT?
- Crack
- Incomplete fusion
- Undercut
- Lamination
- None of the above
11. Which of the following discontinuities will not likely be revealed using RT?
D. Lamination
12. What device is utilized during radiography to indicate the acquired sensitivity of a radiograph?
- Rate meter
- Dosimeter
- Lead screen
- IQI
- None of the above
12. What device is utilized during radiography to indicate the acquired sensitivity of a radiograph?
D. IQI
13. Which nondestructive examination method utilizes acoustic energy as a probing medium?
- VT
- RT
- UT
- PT
- ET
13. Which nondestructive examination method utilizes acoustic energy as a probing medium?
C. UT
14. The process whereby the ultrasonic indications are related to physical distances in a test standard is referred to as:
- Setup
- Calibration
- Standardization
- Synchronization
- None of the above
14. The process whereby the ultrasonic indications are related to physical distances in a test standard is referred to as:
B. Calibration
15. Welds are generally inspected ultrasonically using what technique?
- Straight beam
- Shear wave
- Angle beam
- a” and “b” above
- “b” and “c” above
15. Welds are generally inspected ultrasonically using what technique?
E. “b” and “c” above
b. Shear wave
c. Angle beam
16. Which NDE method is considered to be a truely volumetric lest?
- RT
- UT
- PT
- MT
- ET
16. Which NDE method is considered to be a truely volumetric lest?
B. UT
17. A test probe containing an alternating current coil is utilized for which NDE method?
- RT
- UT
- ET
- MT
- None of the above
17. A test probe containing an alternating current coil is utilized for which NDE method?
C. ET
18. Changes in electrical conductivity can be measured using which NDE method?
- ET
- RT
- MT
- UT
- None of the above
18. Changes in electrical conductivity can be measured using which NDE method?
A. ET
19. Which of the following NDE methods are suitable for detecting surface cracks?
- RT
- VT
- ET
- PT
- All of the above
19. Which of the following NDE methods are suitable for detecting surface cracks?
E. All of the above
- RT
- VT
- ET
- PT
20. What NDE method is most likely to reveal internal laminations in a rolled plate?
- RT
- UT
- ET
- MT
- None of the above
20. What NDE method is most likely to reveal internal laminations in a rolled plate?
B. UT
21. PT is limited to the detection of those discontinuities which are:
- Near the test object surface
- Open to the test object surface
- Clean and open to the test object surface
- All of the above
- None of the above
21. PT is limited to the detection of those discontinuities which are:
C. Clean and open to the test object surface
22. Visible dye penetrant indications:
- Must be observed under a black light
- Do not have to be observed under a black light, but are more sensitive if they are
- Must be observed under ultraviolet light
- Must be observed under white light
- None of the above
22. Visible dye penetrant indications:
D. Must be observed under white light
23. Penetrant can be applied by:
- Brushing
- Spraying
- Dipping
- All of the above
- None of the above
23. Penetrant can be applied by:
D. All of the above
- Brushing
- Spraying
- Dipping
24. Fluorescent penetrants are generally more sensitive than visible dye penetrants because:
- They can flow into smaller cracks
- Fluorescent indications are better seen by the human eye
- They are subject to greater capillary action
- “a” and “c” above
- “b” and “c” above
24. Fluorescent penetrants are generally more sensitive than visible dye penetrants because:
B. Fluorescent indications are better seen by the human eye
25. PT is limited to test objects which:
- Are metallic
- Are porous
- Are magnetic
- Are nonporous
- Have subsurface discontinuities
25. PT is limited to test objects which:
D. Are nonporous
26. MT will discover:
- Surface discontinuities
- Slightly subsurface discontinuities
- Centerline slag inclusions
- “a” and “b” above
- All of the above
26. MT will discover:
D. “a” and “b” above
- Surface discontinuities
- Slightly subsurface discontinuities
27. MT is limited to test objects which:
- Are metallic
- Are porous
- Are magnetic
- Are nonporous
- Have subsurface discontinuities
27. MT is limited to test objects which:
C. Are magnetic
28. UT is most sensitive to those discontinuities which are:
- Within 45° of perpendicular to the sound waves
- Within 45° of parallel to the sound waves
- Perpendicular to the sound waves
- Parallel to the sound waves
- None of the above
28. UT is most sensitive to those discontinuities which are:
C. Perpendicular to the sound waves
29. A piezoelectric crystal converts:
- Mechanical energy to electrical energy and vice versa
- Potential energy to chemical energy and vice versa
- Pneumatic energy to kinetic energy and vice versa
- “a” and “b” above
- All of the above
29. A piezoelectric crystal converts:
A. Mechanical energy to electrical energy and vice versa
30. In UT, the horizontal axis of the CRT screen gives information about:
- The distance the sound has traveled in the part
- The amount of sound energy reflected
- The type of discontinuity
- Discontinuity orientation
- Discontinuity cause
30. In UT, the horizontal axis of the CRT screen gives information about:
A. The distance the sound has traveled in the part
31. For thickness measurements which of the following is best?
- Straight beam UT
- Longitudinal wave UT
- Angle beam UT
- All of the above
- “a” and “b” above
31. For thickness measurements which of the following is best?
E. “a” and “b” above
- Straight beam UT
- Longitudinal wave UT
32. UT angle beam weld inspection most often involves which of the following angles?
a. 45°, 60°, and go0
b. 45°, 60°, and 70°
c. 50°, 60°, and 70°
d. 60°, 70°, and go0
e. None of the above
32. UT angle beam weld inspection most often involves which of the following angles?
B. 45°, 60°, and 70°