Florida Nondestructive Testing (NDT)
Technician Exam Questions with Correct
Answers (Verified Answers) Plus Rationales
2026 Q&A | Instant Download Pdf
1. What is the primary purpose of nondestructive testing (NDT)?
A. Destroy materials for analysis
B. Evaluate materials without causing damage
C. Increase production speed
D. Change material composition
Answer: B
Rationale: NDT methods evaluate material properties without causing damage or
altering the item.
2. Which NDT method uses magnetic fields to detect surface and near-surface
flaws?
A. Ultrasonic testing
B. Magnetic particle testing
C. Radiographic testing
D. Eddy current testing
Answer: B
Rationale: Magnetic particle testing detects discontinuities in ferromagnetic
materials.
3. What does RT stand for in NDT?
A. Radiographic Testing
B. Remote Tension
C. Rotational Technique
D. Resistance Tracking
,Answer: A
Rationale: RT refers to Radiographic Testing using X-rays or gamma rays.
4. Which NDT method uses high-frequency sound waves?
A. Liquid penetrant testing
B. Ultrasonic testing
C. Visual testing
D. Magnetic particle testing
Answer: B
Rationale: Ultrasonic testing uses sound waves to detect internal flaws.
5. What is the primary purpose of liquid penetrant testing?
A. Detect internal voids
B. Detect surface-breaking defects
C. Measure hardness
D. Test electrical conductivity
Answer: B
Rationale: Penetrant testing reveals surface cracks and discontinuities.
6. Which material type is required for magnetic particle testing?
A. All materials
B. Non-metallic materials
C. Ferromagnetic materials only
D. Plastics only
Answer: C
Rationale: Magnetic particle testing only works on ferromagnetic materials.
7. What is a discontinuity in NDT?
A. A designed feature of a part
B. An interruption in material structure
C. A cleaning method
D. A welding tool
,Answer: B
Rationale: Discontinuities are imperfections or interruptions in material
continuity.
8. What is a defect in NDT terms?
A. Any discontinuity always acceptable
B. A discontinuity that is rejectable
C. A measurement tool
D. A testing method
Answer: B
Rationale: A defect is a discontinuity that does not meet acceptance criteria.
9. Which NDT method uses radiation?
A. Radiographic testing
B. Dye penetrant testing
C. Magnetic particle testing
D. Visual testing
Answer: A
Rationale: Radiographic testing uses X-rays or gamma rays.
10. What is the main purpose of a reference standard in NDT?
A. Increase production
B. Provide a comparison for evaluation
C. Replace inspection
D. Clean equipment
Answer: B
Rationale: Standards are used to compare and calibrate test results.
11. What does UT stand for in NDT?
A. Universal Testing
B. Ultrasonic Testing
, C. Unit Thickness
D. Underwater Technology
Answer: B
Rationale: UT refers to Ultrasonic Testing.
12. What type of flaw is best detected by ultrasonic testing?
A. Surface scratches only
B. Internal discontinuities
C. Paint defects
D. Color variations
Answer: B
Rationale: Ultrasonic waves detect internal flaws within materials.
13. What is the purpose of couplant in ultrasonic testing?
A. Increase radiation
B. Improve sound wave transmission
C. Clean the surface
D. Mark defects
Answer: B
Rationale: Couplants help transmit ultrasonic energy into the material.
14. What is the main purpose of calibration in NDT?
A. Increase inspection speed
B. Ensure accuracy of measurements
C. Change material properties
D. Reduce operator training
Answer: B
Rationale: Calibration ensures equipment produces accurate results.
15. What does MT stand for in NDT?
A. Magnetic Testing
B. Mechanical Testing
Technician Exam Questions with Correct
Answers (Verified Answers) Plus Rationales
2026 Q&A | Instant Download Pdf
1. What is the primary purpose of nondestructive testing (NDT)?
A. Destroy materials for analysis
B. Evaluate materials without causing damage
C. Increase production speed
D. Change material composition
Answer: B
Rationale: NDT methods evaluate material properties without causing damage or
altering the item.
2. Which NDT method uses magnetic fields to detect surface and near-surface
flaws?
A. Ultrasonic testing
B. Magnetic particle testing
C. Radiographic testing
D. Eddy current testing
Answer: B
Rationale: Magnetic particle testing detects discontinuities in ferromagnetic
materials.
3. What does RT stand for in NDT?
A. Radiographic Testing
B. Remote Tension
C. Rotational Technique
D. Resistance Tracking
,Answer: A
Rationale: RT refers to Radiographic Testing using X-rays or gamma rays.
4. Which NDT method uses high-frequency sound waves?
A. Liquid penetrant testing
B. Ultrasonic testing
C. Visual testing
D. Magnetic particle testing
Answer: B
Rationale: Ultrasonic testing uses sound waves to detect internal flaws.
5. What is the primary purpose of liquid penetrant testing?
A. Detect internal voids
B. Detect surface-breaking defects
C. Measure hardness
D. Test electrical conductivity
Answer: B
Rationale: Penetrant testing reveals surface cracks and discontinuities.
6. Which material type is required for magnetic particle testing?
A. All materials
B. Non-metallic materials
C. Ferromagnetic materials only
D. Plastics only
Answer: C
Rationale: Magnetic particle testing only works on ferromagnetic materials.
7. What is a discontinuity in NDT?
A. A designed feature of a part
B. An interruption in material structure
C. A cleaning method
D. A welding tool
,Answer: B
Rationale: Discontinuities are imperfections or interruptions in material
continuity.
8. What is a defect in NDT terms?
A. Any discontinuity always acceptable
B. A discontinuity that is rejectable
C. A measurement tool
D. A testing method
Answer: B
Rationale: A defect is a discontinuity that does not meet acceptance criteria.
9. Which NDT method uses radiation?
A. Radiographic testing
B. Dye penetrant testing
C. Magnetic particle testing
D. Visual testing
Answer: A
Rationale: Radiographic testing uses X-rays or gamma rays.
10. What is the main purpose of a reference standard in NDT?
A. Increase production
B. Provide a comparison for evaluation
C. Replace inspection
D. Clean equipment
Answer: B
Rationale: Standards are used to compare and calibrate test results.
11. What does UT stand for in NDT?
A. Universal Testing
B. Ultrasonic Testing
, C. Unit Thickness
D. Underwater Technology
Answer: B
Rationale: UT refers to Ultrasonic Testing.
12. What type of flaw is best detected by ultrasonic testing?
A. Surface scratches only
B. Internal discontinuities
C. Paint defects
D. Color variations
Answer: B
Rationale: Ultrasonic waves detect internal flaws within materials.
13. What is the purpose of couplant in ultrasonic testing?
A. Increase radiation
B. Improve sound wave transmission
C. Clean the surface
D. Mark defects
Answer: B
Rationale: Couplants help transmit ultrasonic energy into the material.
14. What is the main purpose of calibration in NDT?
A. Increase inspection speed
B. Ensure accuracy of measurements
C. Change material properties
D. Reduce operator training
Answer: B
Rationale: Calibration ensures equipment produces accurate results.
15. What does MT stand for in NDT?
A. Magnetic Testing
B. Mechanical Testing
