JNTU Kakinada B-Tech 4-2 NON DESTRUCTIVE EVALUATION R13 April 2018 Question Paper

IV B.Tech II Semester Regular/Supplementary Examinations, April – 2018
NON DESTRUCTIVE EVALUATION (Mechanical Engineering)Time: 3 hours Max. Marks: 70
Question paper consists of Part-A and Part-B
Answer ALL sub questions from Part-A
Answer any THREE questions from Part-B
*****

PART ?A (22 Marks)1. a) Mention the importance of the radiographic test. [4]
b) What are ultrasonic transducers and their characteristics? [4]
c) What are the limitations of Liquid penetration test? [4]
d) State the principle of Magnetic particle test. [4]
e) Define the effectiveness of eddy current. [3]
f) List the NDE applications in aerospace industries. [3]

PART ?B (3×16 = 48 Marks)2. a) State the principle of Radiographic test and what are the safety aspects of test? [8]
b) Explain importance of NDT over Destructive Testing methods. [8]

3. a) Draw the neat sketch of Ultrasonic test setup? Explain how the pulse echo
technique implemented in the U.T?
[8]
b) Discuss the advantages, limitations and variables of Ultrasonic testing. [8]

4. a) Write principle of Liquid Penetrant Testing. Also discuss on its application and
Limitations.
[8]
b) Discuss the factors which affect visual testing method. Explain its remedies. [8]

5. a) Distinguish ultrasonic and magnetic particle tests. [8]
b) How the magnetic particle test procedure is calibrated? What are the basic
properties specimen to qualify for magnetic particle test?
[8]

6. a) What is the principle of Eddy current testing? List out its application. [8]
b) What are different types of test coils used in E.C.T.? Explain their typical
applications.
[8]

7. a) What are the safety norms in industrial radiography? Write its method of
application.
[8]
b) Explain the principle of Acoustic emission testing with line diagram. [8]

Code No: RT42034A
Set No. 1
R13
1 of 1

IV B.Tech II Semester Regular/Supplementary Examinations, April – 2018
NON DESTRUCTIVE EVALUATION (Mechanical Engineering)Time: 3 hours Max. Marks: 70
Question paper consists of Part-A and Part-B
Answer ALL sub questions from Part-A
Answer any THREE questions from Part-B
*****

PART ?A (22 Marks)1. a) Mention the importance of the radiographic test. [4]
b) What are ultrasonic transducers and their characteristics? [4]
c) What are the limitations of Liquid penetration test? [4]
d) State the principle of Magnetic particle test. [4]
e) Define the effectiveness of eddy current. [3]
f) List the NDE applications in aerospace industries. [3]

PART ?B (3×16 = 48 Marks)2. a) State the principle of Radiographic test and what are the safety aspects of test? [8]
b) Explain importance of NDT over Destructive Testing methods. [8]

3. a) Draw the neat sketch of Ultrasonic test setup? Explain how the pulse echo
technique implemented in the U.T?
[8]
b) Discuss the advantages, limitations and variables of Ultrasonic testing. [8]

4. a) Write principle of Liquid Penetrant Testing. Also discuss on its application and
Limitations.
[8]
b) Discuss the factors which affect visual testing method. Explain its remedies. [8]

5. a) Distinguish ultrasonic and magnetic particle tests. [8]
b) How the magnetic particle test procedure is calibrated? What are the basic
properties specimen to qualify for magnetic particle test?
[8]

6. a) What is the principle of Eddy current testing? List out its application. [8]
b) What are different types of test coils used in E.C.T.? Explain their typical
applications.
[8]

7. a) What are the safety norms in industrial radiography? Write its method of
application.
[8]
b) Explain the principle of Acoustic emission testing with line diagram. [8]

Code No: RT42034A
Set No. 1
R13
1 of 1

IV B.Tech II Semester Regular/Supplementary Examinations, April – 2018
NON DESTRUCTIVE EVALUATION (Mechanical Engineering)Time: 3 hours Max. Marks: 70
Question paper consists of Part-A and Part-B
Answer ALL sub questions from Part-A
Answer any THREE questions from Part-B
*****

PART ?A (22 Marks)1. a) Classify various methods of Non-destructive tests? [4]
b) List the main components of ultrasonic method. [4]
c) Define the sensitivity related to penetrant flow detection. [4]
d) What is the sensitivity related with penetrant flow detection. [4]
e) Identify the instrumentation of eddy current testing. [3]
f) State the principle behind acoustic emission technique? [3]

PART ?B (3×16 = 48 Marks)2. a) State the principle of Leak and pressure testing and explain in detail. [8]
b) Discuss the various parameters influencing the radiographic imaging. [8]

3. a) Draw the Ultrasonic testing flaw detector architecture? Explain [8]
b) Why an ultrasonic probe? Draw its neat sketch? Write its functions. [8]

4. a) Explain the method of liquid penetrant testing. Which type of jobs are suitable? [8]
b) Explain the effectiveness and limitations of liquid penetrant testing. [8]

5. a) Explain the Magnetic particle inspection test in detail. [8]
b) Explain the interpretation and evaluations procedure for magnetic particle test. [8]

6. a) Explain Eddy current Testing method. What is sensitivity in ECT? [8]
b) Explain the single frequency and multi frequency eddy current testing. [8]

7. a) Explain the principle of radiographic testing. What are the applications and its
limitations?
[8]
b) Explain the span of NDE activities in railways. [8]

Code No: RT42034A
Set No. 2
R13
1 of 1

IV B.Tech II Semester Regular/Supplementary Examinations, April – 2018
NON DESTRUCTIVE EVALUATION (Mechanical Engineering)Time: 3 hours Max. Marks: 70
Question paper consists of Part-A and Part-B
Answer ALL sub questions from Part-A
Answer any THREE questions from Part-B
*****

PART ?A (22 Marks)1. a) Mention the importance of the radiographic test. [4]
b) What are ultrasonic transducers and their characteristics? [4]
c) What are the limitations of Liquid penetration test? [4]
d) State the principle of Magnetic particle test. [4]
e) Define the effectiveness of eddy current. [3]
f) List the NDE applications in aerospace industries. [3]

PART ?B (3×16 = 48 Marks)2. a) State the principle of Radiographic test and what are the safety aspects of test? [8]
b) Explain importance of NDT over Destructive Testing methods. [8]

3. a) Draw the neat sketch of Ultrasonic test setup? Explain how the pulse echo
technique implemented in the U.T?
[8]
b) Discuss the advantages, limitations and variables of Ultrasonic testing. [8]

4. a) Write principle of Liquid Penetrant Testing. Also discuss on its application and
Limitations.
[8]
b) Discuss the factors which affect visual testing method. Explain its remedies. [8]

5. a) Distinguish ultrasonic and magnetic particle tests. [8]
b) How the magnetic particle test procedure is calibrated? What are the basic
properties specimen to qualify for magnetic particle test?
[8]

6. a) What is the principle of Eddy current testing? List out its application. [8]
b) What are different types of test coils used in E.C.T.? Explain their typical
applications.
[8]

7. a) What are the safety norms in industrial radiography? Write its method of
application.
[8]
b) Explain the principle of Acoustic emission testing with line diagram. [8]

Code No: RT42034A
Set No. 1
R13
1 of 1

IV B.Tech II Semester Regular/Supplementary Examinations, April – 2018
NON DESTRUCTIVE EVALUATION (Mechanical Engineering)Time: 3 hours Max. Marks: 70
Question paper consists of Part-A and Part-B
Answer ALL sub questions from Part-A
Answer any THREE questions from Part-B
*****

PART ?A (22 Marks)1. a) Classify various methods of Non-destructive tests? [4]
b) List the main components of ultrasonic method. [4]
c) Define the sensitivity related to penetrant flow detection. [4]
d) What is the sensitivity related with penetrant flow detection. [4]
e) Identify the instrumentation of eddy current testing. [3]
f) State the principle behind acoustic emission technique? [3]

PART ?B (3×16 = 48 Marks)2. a) State the principle of Leak and pressure testing and explain in detail. [8]
b) Discuss the various parameters influencing the radiographic imaging. [8]

3. a) Draw the Ultrasonic testing flaw detector architecture? Explain [8]
b) Why an ultrasonic probe? Draw its neat sketch? Write its functions. [8]

4. a) Explain the method of liquid penetrant testing. Which type of jobs are suitable? [8]
b) Explain the effectiveness and limitations of liquid penetrant testing. [8]

5. a) Explain the Magnetic particle inspection test in detail. [8]
b) Explain the interpretation and evaluations procedure for magnetic particle test. [8]

6. a) Explain Eddy current Testing method. What is sensitivity in ECT? [8]
b) Explain the single frequency and multi frequency eddy current testing. [8]

7. a) Explain the principle of radiographic testing. What are the applications and its
limitations?
[8]
b) Explain the span of NDE activities in railways. [8]

Code No: RT42034A
Set No. 2
R13
1 of 1

IV B.Tech II Semester Regular/Supplementary Examinations, April – 2018
NON DESTRUCTIVE EVALUATION (Mechanical Engineering)Time: 3 hours Max. Marks: 70
Question paper consists of Part-A and Part-B
Answer ALL sub questions from Part-A
Answer any THREE questions from Part-B
*****

PART ?A (22 Marks)1. a) What are the various NDE techniques used in Radiography? [4]
b) How accurate the Ultrasonic test while measuring surface topography? [4]
c) What are the limitations of Liquid penetrant test? [4]
d) List the sequence of steps in magnetic particle testing procedure. [4]
e) What are the applications of Eddy current test? [3]
f) What is the significance thermographic testing method? [3]

PART ?B (3×16 = 48 Marks)2. a) Explain the Fluroescent Penetration NDT examination method. State its
limitations.
[8]
b) State and explain the principle and working X rays equipment. [8]

3. a) Discuss any two ultrasonic inspection techniques for detection of sub layer cracks
in the materials.
[8]
b) What is a ultrasonic transducers and mention their characteristics. [8]

4. a) Write the procedure for liquid penetrant test with a suitable example. [8]
b) Describe the different field of application of liquid penetrant test. What are its
limitations?
[8]

5. a) Draw the schematic diagram of Magnetic particle test equipment with a sketch?
Explain.
[8]
b) Discuss in detail of the standardization and calibration of Magnetic particle test. [8]

6. a) Explain the sensitiveness of eddy current test techniques with necessary sketches. [8]
b) What is the working principle of eddy current test? List out its advantages. [8]

7. a) Explain the principle of Acoustic emission testing with the line diagram. [8]
b) Write short note on safety in industrial Radiography. [8]

Code No: RT42034A
Set No. 3
R13
1 of 1

IV B.Tech II Semester Regular/Supplementary Examinations, April – 2018
NON DESTRUCTIVE EVALUATION (Mechanical Engineering)Time: 3 hours Max. Marks: 70
Question paper consists of Part-A and Part-B
Answer ALL sub questions from Part-A
Answer any THREE questions from Part-B
*****

PART ?A (22 Marks)1. a) Mention the importance of the radiographic test. [4]
b) What are ultrasonic transducers and their characteristics? [4]
c) What are the limitations of Liquid penetration test? [4]
d) State the principle of Magnetic particle test. [4]
e) Define the effectiveness of eddy current. [3]
f) List the NDE applications in aerospace industries. [3]

PART ?B (3×16 = 48 Marks)2. a) State the principle of Radiographic test and what are the safety aspects of test? [8]
b) Explain importance of NDT over Destructive Testing methods. [8]

3. a) Draw the neat sketch of Ultrasonic test setup? Explain how the pulse echo
technique implemented in the U.T?
[8]
b) Discuss the advantages, limitations and variables of Ultrasonic testing. [8]

4. a) Write principle of Liquid Penetrant Testing. Also discuss on its application and
Limitations.
[8]
b) Discuss the factors which affect visual testing method. Explain its remedies. [8]

5. a) Distinguish ultrasonic and magnetic particle tests. [8]
b) How the magnetic particle test procedure is calibrated? What are the basic
properties specimen to qualify for magnetic particle test?
[8]

6. a) What is the principle of Eddy current testing? List out its application. [8]
b) What are different types of test coils used in E.C.T.? Explain their typical
applications.
[8]

7. a) What are the safety norms in industrial radiography? Write its method of
application.
[8]
b) Explain the principle of Acoustic emission testing with line diagram. [8]

Code No: RT42034A
Set No. 1
R13
1 of 1

IV B.Tech II Semester Regular/Supplementary Examinations, April – 2018
NON DESTRUCTIVE EVALUATION (Mechanical Engineering)Time: 3 hours Max. Marks: 70
Question paper consists of Part-A and Part-B
Answer ALL sub questions from Part-A
Answer any THREE questions from Part-B
*****

PART ?A (22 Marks)1. a) Classify various methods of Non-destructive tests? [4]
b) List the main components of ultrasonic method. [4]
c) Define the sensitivity related to penetrant flow detection. [4]
d) What is the sensitivity related with penetrant flow detection. [4]
e) Identify the instrumentation of eddy current testing. [3]
f) State the principle behind acoustic emission technique? [3]

PART ?B (3×16 = 48 Marks)2. a) State the principle of Leak and pressure testing and explain in detail. [8]
b) Discuss the various parameters influencing the radiographic imaging. [8]

3. a) Draw the Ultrasonic testing flaw detector architecture? Explain [8]
b) Why an ultrasonic probe? Draw its neat sketch? Write its functions. [8]

4. a) Explain the method of liquid penetrant testing. Which type of jobs are suitable? [8]
b) Explain the effectiveness and limitations of liquid penetrant testing. [8]

5. a) Explain the Magnetic particle inspection test in detail. [8]
b) Explain the interpretation and evaluations procedure for magnetic particle test. [8]

6. a) Explain Eddy current Testing method. What is sensitivity in ECT? [8]
b) Explain the single frequency and multi frequency eddy current testing. [8]

7. a) Explain the principle of radiographic testing. What are the applications and its
limitations?
[8]
b) Explain the span of NDE activities in railways. [8]

Code No: RT42034A
Set No. 2
R13
1 of 1

IV B.Tech II Semester Regular/Supplementary Examinations, April – 2018
NON DESTRUCTIVE EVALUATION (Mechanical Engineering)Time: 3 hours Max. Marks: 70
Question paper consists of Part-A and Part-B
Answer ALL sub questions from Part-A
Answer any THREE questions from Part-B
*****

PART ?A (22 Marks)1. a) What are the various NDE techniques used in Radiography? [4]
b) How accurate the Ultrasonic test while measuring surface topography? [4]
c) What are the limitations of Liquid penetrant test? [4]
d) List the sequence of steps in magnetic particle testing procedure. [4]
e) What are the applications of Eddy current test? [3]
f) What is the significance thermographic testing method? [3]

PART ?B (3×16 = 48 Marks)2. a) Explain the Fluroescent Penetration NDT examination method. State its
limitations.
[8]
b) State and explain the principle and working X rays equipment. [8]

3. a) Discuss any two ultrasonic inspection techniques for detection of sub layer cracks
in the materials.
[8]
b) What is a ultrasonic transducers and mention their characteristics. [8]

4. a) Write the procedure for liquid penetrant test with a suitable example. [8]
b) Describe the different field of application of liquid penetrant test. What are its
limitations?
[8]

5. a) Draw the schematic diagram of Magnetic particle test equipment with a sketch?
Explain.
[8]
b) Discuss in detail of the standardization and calibration of Magnetic particle test. [8]

6. a) Explain the sensitiveness of eddy current test techniques with necessary sketches. [8]
b) What is the working principle of eddy current test? List out its advantages. [8]

7. a) Explain the principle of Acoustic emission testing with the line diagram. [8]
b) Write short note on safety in industrial Radiography. [8]

Code No: RT42034A
Set No. 3
R13
1 of 1

IV B.Tech II Semester Regular/Supplementary Examinations, April – 2018
NON DESTRUCTIVE EVALUATION (Mechanical Engineering)Time: 3 hours Max. Marks: 70
Question paper consists of Part-A and Part-B
Answer ALL sub questions from Part-A
Answer any THREE questions from Part-B
*****

PART ?A (22 Marks)1. a) Differentiate X rays and Gamma rays. [4]
b) What is dwell time in liquid penetrate testing? [4]
c) What is the concept of magnetography? [4]
d) What is demagnetization of materials? [4]
e) What type of applications are suitable for eddy current test? [3]
f) Write steps in the holography method. [3]

PART ?B (3×16 = 48 Marks)2. a) Explain the types of radiation and their fields of applications produced during
radioactive decay.
[8]
b) Identify the safety aspects of industrial radiography. [8]

3. a) Explain the design of ultrasonic transducers with suitable sketches. [8]
b) State the principle of wave propagation, reflection in ultrasonic test. [8]

4. a) Compare the magnetic particle and liquid penetrant inspection methods. [8]
b) Describe about the penetrant testing materials and applications. [8]

5. a) Show the eddy current test system with a neat diagram? Explain. [8]
b) How do you measure the effectiveness of eddy current testing? [8]

6. a) Explain the high sensitivity eddy current testing techniques with necessary
sketches.
[8]
b) What are the limitations of eddy current tests? [8]

7. a) Explain the method for NDE for pressure vessels. Discuss the test methods. [8]
b) Describe the NDE applications for offshore gas and petroleum projects. [8]

Code No: RT42034A
Set No. 4
R13
1 of 1