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For homogeneous fluids, the physical point at which the choking occurs for adiabatic conditions is when the exit plane velocity is at sonic conditions; i.e., at a Mach number of 1. [1] [2] [3] At choked flow, the mass flow rate can be increased only by increasing the upstream density of the substance.
In the extraction of petroleum (and other heavy-duty fluid handling contexts), a choke valve (or "choke") is an adjustable flow limiter that is designed to operate at a large pressure drop, at a large flow rate, for a long time.
Principles and Practice of Engineering Examination; Acronym: PE: Type: Pencil-and-paper exam; Computer-based exam (Select exams only) Administrator: National Council of Examiners for Engineering and Surveying: Skills tested: Analytical reasoning, quantitative reasoning, discipline-specific subjects: Purpose: Professional licensure: Year started ...
Good engineering practice (GEP) is engineering and technical activities that ensure that a company manufactures products of the required quality as expected (e.g., by the relevant regulatory authorities). Good engineering practices are to ensure that the development and/or manufacturing effort consistently generates deliverables that support ...
The movements of the system are tightly controlled by a digital test controller. During the research phase of a vehicle, a 4-poster system is used to test newly designed suspension systems and their durability. In production, 4-poster systems are typically used to test every vehicle at the end of the production line on squeak and rattle, which ...
The second exam is the Principles and Practice of Engineering exam. The FE exam is open to anyone with a degree in engineering or a related field, or currently enrolled in the last year of an Accreditation Board for Engineering and Technology (ABET) accredited engineering degree program. Some state licensure boards permit students to take it ...
Tests of Engineering Aptitude, Mathematics, and Science (TEAMS) is an annual competition originally organized by the Junior Engineering Technical Society (JETS). TEAMS is an annual theme-based competition for students in grades 9–12, aimed at giving them the opportunity to discover engineering and how they can make a difference in the world.
An order from the engineering department (to be followed by the production department or vendor) overriding/superseding a detail on the drawing, which gets superseded with revised information. Also called by various other names, such as engineering change order (ECO), engineering change notice (ECN), drawing change notice (DCN), and so on.