Download PTU (I.K.Gujral Punjab Technical University (IKGPTU)) B-Tech (Bachelor of Technology) Mechanical Engineering 2020 December 6th Sem 71256 Non Destructive Testing Previous Question Paper
Total No. of Pages : 02
Total No. of Questions : 18
B.Tech. (ME) (E-I 2012 Onwards) (Sem.?6)
NON DESTRUCTIVE TESTING
Subject Code : DE/ME-2.4
M.Code : 71256
Time : 3 Hrs. Max. Marks : 60
INST RUCT IONS T O CANDIDAT ES :
1 .
SECT ION-A is COMPULSORY cons is ting of TEN questions carrying TWO marks
each.
2 .
SECT ION-B c ontains F IVE questions c arrying FIVE marks eac h and s tud ents
have to atte mpt any FOUR q ues tions.
3 .
SECT ION-C contains THREE questions carrying T EN marks e ach and s tudents
have to atte mpt any T WO questio ns.
SECTION-A
Answer briefly :
Q1. What do you understand by non destructive testing?
Q2. Write two specific applications of Radiographic examination.
Q3. What is Xeroradiography?
Q4. What are magnetization methods?
Q5. What is sperry detector?
Q6. How moisture in wood is detected?
Q7. What are proof tests?
Q8. What is circular polarization?
Q9. What is photoelasticity?
Q10. How surface roughness can be tested?
1 | M - 7 1 2 5 6
( S 2 ) - 1 1 0 2
SECTION-B
Q11. Explain principle and method to detect the flaws in rails and tubes.
Q12. Explain need and significance of non-destructive tests.
Q13. Explain the procedure to measure thickness, hardness and stiffness.
Q14. Explain procedure of dye penetration test.
Q15. Explain working of concrete test hammer.
SECTION-C
Q16. Explain working principle and method to detect the defects by using.
Q17. Explain radiography examination set up. Explain the effect of main process variables in
order to get a good radiograph.
Q18. Explain advantages and limitations of :
(a) Magnaflux method
(b) 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.
2 | M - 7 1 2 5 6
( S 2 ) - 1 1 0 2
This post was last modified on 13 February 2021