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Requirements differ from state to state, but most include a four- to five-year apprenticeship. Union pipefitters are required to pass an apprenticeship test (often called a "turn-out exam") before becoming a licensed journeyman. Others can be certified by NCCER (formerly the National Center for Construction Education and Research).
OSHA formally recognized NCCER Crane Operator Certification Program on May 20, 2010. A ceremony was held in Washington, D.C., that included the North American Crane Bureau, the US Assistant Secretary of Labor for OSHA, the Acting Director for OSHA’s Directorate of Construction, the President/CEO, Associated Builders and Contractors, Inc., the President/CEO, Associated General Contractors of ...
This type of test is suitable for containers such as boat fuel tanks, which are not pressure vessels but must work under the hydrostatic pressure of the contents. A hydrostatic test head is usually specified as a height above the tank top. The tank is pressurised by filling water to the specified height through a temporary standpipe if necessary.
A Piping and Instrumentation Diagram (P&ID) is a detailed diagram in the process industry which shows process equipment together with the instrumentation and control devices.
Fire sprinkler control valve assembly. Sprinkler fitting is a skilled trade that consists of assembling, installing, testing, repairing, inspecting, and certifying automatic fire suppression systems and their associated piping in commercial, industrial and residential buildings.
A shipfitter is an enlisted or civilian person who works on materials such as high-tensile steel and high yield strength steel. Shipfitters fabricate, assemble and erect all structural parts of a ship, coordinate all fixed tank work performed on submarines and ships, and coordinate all sonar dome work. Shipfitters also use heavy machinery, such as plate planners, shears, punches, drill press
Qualification test of welders — Fusion welding, parts 1 to 5 ISO 9692-1: Welding and allied processes. Recommendations for joint preparation. Manual metal-arc welding, gas-shielded metal-arc welding, gas welding, TIG welding and beam welding of steels ISO 9692-2: Welding and allied processes. Joint preparation. Submerged arc welding of steels ...
In inviscid fluid dynamics, an incompressible fluid's velocity must increase as it passes through a constriction in accord with the principle of mass continuity, while its static pressure must decrease in accord with the principle of conservation of mechanical energy (Bernoulli's principle) or according to the Euler equations.