Download PTU B-Tech ME 2020 Dec 6th Sem 71256 Non Destructive Testing Question Paper

Roll No.

Total No. of Pages : 02

Total No. of Questions: 18

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B.Tech. (ME) (E-I 2012 Onwards) (Sem.-6)

NON DESTRUCTIVE TESTING

Subject Code: DE/ME-2.4

M.Code: 71256

Time: 3 Hrs.

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Max. Marks: 60

INSTRUCTIONS TO CANDIDATES :

1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each.
2. SECTION-B contains FIVE questions carrying FIVE marks each and students have to attempt any FOUR questions.
3. SECTION-C contains THREE questions carrying TEN marks each and students have to attempt any TWO questions.

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SECTION-A

Answer briefly :

1. What do you understand by non destructive testing?
2. Write two specific applications of Radiographic Examination.
3. What is Xeroradiography?

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4. What are magnetization methods?
5. What is sperry detector?
6. How moisture in wood is detected?
7. What are proof tests?
8. What is circular polarization?

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9. What is photoelasticity?
10. How surface roughness can be tested?

SECTION-B

11. Explain principle and method to detect the flaws in rails and tubes.
12. Explain need and significance of non-destructive tests.

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13. Explain the procedure to measure thickness, hardness and stiffness.
14. Explain procedure of dye penetration test.
15. Explain working of concrete test hammer.

SECTION-C

16. Explain working principle and method to detect the defects by using.

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17. Explain radiography examination set up. Explain the effect of main process variables in order to get a good radiograph.
18. Explain advantages and limitations of :
    1. Magnaflux method
    2. Ultrasonic method.

NOTE: Disclosure of Identity by writing Mobile No. or Making of passing request on any page of Answer Sheet will lead to UMC against the Student.

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