In MPI method, the magnetic discontinuities lie in a direction parallel to the direction of the magnetic field.(a) True(b) FalseI have been asked this question in final exam.My doubt stems from Inspection Procedures topic in section Inspection Testing in Foundries of Casting-Forming-Welding I

In MPI method, the magnetic discontinuities lie in a direction paralle

1.	In MPI method, the magnetic discontinuities lie in a direction parallel to the direction of the magnetic field.(a) True(b) FalseI have been asked this question in final exam.My doubt stems from Inspection Procedures topic in section Inspection Testing in Foundries of Casting-Forming-Welding I
Answer» Correct option is (b) False The EXPLANATION: In MPI method, after the magnetization of the MATERIAL or PART which to be INSPECTED, the magnetic discontinuities that lie in a direction generally transverse to the direction of the magnetic FIELD. This causes a leakage field to form at and above the surface of the part, which indicates the presence of surface discontinuities.

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In MPI method, the magnetic discontinuities lie in a direction parallel to the direction of the magnetic field.(a) True(b) FalseI have been asked this question in final exam.My doubt stems from Inspection Procedures topic in section Inspection Testing in Foundries of Casting-Forming-Welding I

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