Category: Blogs
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WELD DEFECTS
WELD DEFECTS DISCONTINUITY IN WELD DEFECTS :: AN INTERUUPTION OF THE TYPICAL STRUCTURE IN THE MECHANICAL OR METALLURGICAL OR PHYSICAL CHARETERESTICS OF MATERIAL OR WELDMENT DISCONTINUITY IS A DEFECT WHEN IT DOES NOT MEET THE PRODUCT REQUIREMENT TYPES OF DEFECTS: PLANAR CRACKS, LAMELLAR TEARS LACK OF FUSION LACK OF PENETRATION VOLUMINAR POROSITY SLAG TUNGSTEN INCLUSION INSPECTION METHOD…
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Eddy current
Eddy current An eddy current is an electrical current induced in a piece of metal due to the relative motion of a nearby magnet. Any time a magnet passes a metallic object, its magnetic field induces an electric current, which swirls around near the surface of the metal like an eddy in a river. This…
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Magnetic Particle Testing
Magnetic Particle Testing Magnetic Particle Testing (Questions) Which of the following is not a property of magnetic lines of force? (a) They form closed loops which do not cross (b) The density increases with distance from the poles of a permanent magnet (c) Hey are considered to have direction (d) They seek paths…
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API 1169 Training
API 1169 Training API 1169 – Pipeline inspector Description: This is an intensive 3 days course to prepare you to pass the API 1169 certification exam that has been recently launched by API. The Technical Toolboxes, Inc. API – 1169 Exam Prep Course covers all information in the current API 1169 Pipeline Inspector Certification program…
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API 653 Questions and Answers
API 653 Questions and Answers 1) __________ is a change from previous operating conditions involving different properties of the stored product such as specific gravity or corrosivity and / or different service conditions of temperature and / or pressure” (a) Re-rating; (b) Change in service; (c) Repair; (d) Reconstruction REF : API-653, – 1.5.4…
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API 570 Questions
API 570 Questions 1.In the Barlow formula for determining pipe thickness, the term S stands for Internal design gage pressure of the pipe in psi Pressure design strength for…
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Electrical & Instrumentation
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API 570 Piping Inspection |API Training in India
API 570 Piping Inspection API 570 Piping Inspection is an inspection code developed by the American Petroleum Institute that covers the in-service inspection, repair, alteration, and relating activities for piping systems and their associated pressure relieving devices in the petroleum and chemical process industries. It specifically applies to metallic piping and those plastic ones that…
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Welding Terms Glossary
Welding Terms Glossary Abrasive – Slag used for cleaning or surface roughening. Active Flux – Submerged-arc welding flux from which the amount of elements deposited in the weld metal is dependent upon welding conditions, primarily arc voltage. Adhesive Bonding – Surfaces, solidifies to produce an adhesive bond. Air Carbon Arc Cutting – An arc cutting…
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Dye penetrant inspection , liquid penetrant inspection or Penetrant Testing
Dye penetrant inspection: Dye penetrant inspection (DPI), also called liquid penetrant inspection (LPI) or Penetrant Testing (PT), is a widely applied and low-cost inspection method used to locate surface-breaking defects in all non – porus materials (metals, plastics, or ceramics). The penetrant may be applied to all non-ferrous materials and ferrous materials, although for ferrous…