Posts

Showing posts from April, 2021

NON DESTRUCTIVE TESTING

Image
NDT Syllabus Osmania University UNIT-I Liquid penetrate inspection: Principles of penetrate inspection, characteristics of a penetrate, water  washable system, post emulsification system, solvent removable system, surface preparation and cleaning,  penetrate application, development, advantages limitations, and applications.  Magnetic particle instruction:  Principle, magnetization methods, continuous and residual methods, sensitivities, demagnetization, magnetic  particles, applications advantages and limitations. UNIT-II Eddy current testing: Principle, lift-off factor, and edge effect, skin effect, inspection frequency, coil  arrangements, inspection probes, types of circuit, reference pieces, phase analysis, display methods and  applications. UNIT-III Ultrasonic testing: Generation of ultra sound, characteristics of an ultrasonic beam, sound waves at  interfaces, sound attenuation, display systems, probe construction, type of display, inspection techniques,  identification of defec