Final answer:
Magnetic particle testing is a nondestructive testing method that uses steel particles to detect flaws or cracks on the surface or just below the surface of a material. It is commonly used in industries such as aerospace, automotive, and manufacturing.
Step-by-step explanation:
The aerial apparatus test that is conducted using steel particles that are puffed onto the area being tested and are pulled into any flaw or discontinuity by the current produced by a mag yoke is Magnetic particle testing.
Magnetic particle testing is a nondestructive testing method that is used to detect flaws or cracks on the surface or just below the surface of a material. It is commonly used in industries such as aerospace, automotive, and manufacturing to ensure the quality and integrity of components and structures.
In this test, a magnetic yoke is used to create a magnetic field, and ferromagnetic particles (steel particles) are spread onto the surface being tested. If there is a flaw or discontinuity in the material, the magnetic field will create a magnetic flux leakage, attracting the particles and indicating the presence of a defect.