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  2. Engineering drawing abbreviations and symbols - Wikipedia

    en.wikipedia.org/wiki/Engineering_drawing...

    It is numbered with a stylized flag symbol surrounding the number (or sometimes a delta symbol). A general note applies generally and is not called out with flags. 2. Find number: "FN" meaning "find number" refers to the ordinal number that gives an ID tag to one of the constituents in a parts list (list of materials, bill of materials).

  3. ISO 14617 - Wikipedia

    en.wikipedia.org/wiki/ISO_14617

    ISO 14617 Graphical symbols for diagrams is a library of graphical symbols for diagrams used in technical applications. [1] ISO 14617 consists of the following parts: Part 1: General information and indexes; Part 2: Symbols having general application; Part 3: Connections and related devices; Part 4: Actuators and related devices

  4. Piping and instrumentation diagram - Wikipedia

    en.wikipedia.org/wiki/Piping_and_instrumentation...

    Piping and instrumentation diagram of pump with storage tank. Symbols according to EN ISO 10628 and EN 62424. A more complex example of a P&ID. A piping and instrumentation diagram (P&ID) is defined as follows: A diagram which shows the interconnection of process equipment and the instrumentation used to control the process.

  5. Glossary of mechanical engineering - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_mechanical...

    Compression ratio – The static compression ratio, (symbol ), [45] of an internal combustion engine or external combustion engine is a value that represents the ratio of the volume of its combustion chamber from its largest capacity to its smallest capacity. It is a fundamental specification for many common combustion engines.

  6. Engineering drawing - Wikipedia

    en.wikipedia.org/wiki/Engineering_drawing

    The list of materials (L/M, LM, LoM), bill of materials (B/M, BM, BoM), or parts list (P/L, PL) is a (usually tabular) list of the materials used to make a part, and/or the parts used to make an assembly. It may contain instructions for heat treatment, finishing, and other processes, for each part number.

  7. List of aviation, avionics, aerospace and aeronautical ...

    en.wikipedia.org/wiki/List_of_aviation,_avionics...

    electronic engine control EET estimated elapsed time EFB electronic flight bag: EFC 1: Engine Flight Cycle EFC 2: expect further clearance EFD Electronic flight display EFFRA engine failure flap retraction altitude EFIS electronic flight instrument system: EFH Engine Flight Hour EFP engine failure procedure EFS elevator feel shift: EFTO

  8. Category:Measuring instruments - Wikipedia

    en.wikipedia.org/wiki/Category:Measuring_instruments

    Engine tuning instruments (1 C, 6 P) Environmental instrumentation (1 C, 2 P) F. Flow meters (25 P) G. Galvanometers (9 P) Geometric measuring instruments (7 C)

  9. List of DIN standards - Wikipedia

    en.wikipedia.org/wiki/List_of_DIN_standards

    This is an incomplete list of DIN standards. The "STATUS" column gives the latest known status of the standard . If a standard has been withdrawn and no replacement specification is listed, either the specification was withdrawn without replacement or a replacement specification could not be identified.