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  2. Reid vapor pressure - Wikipedia

    en.wikipedia.org/wiki/Reid_vapor_pressure

    Reid vapor pressure (RVP) is a common measure of the volatility of gasoline and other petroleum products. [1] It is defined as the absolute vapor pressure exerted by the vapor of the liquid and any dissolved gases/moisture at 37.8 °C (100 °F) as determined by the test method ASTM-D-323, which was first developed in 1930 [2] and has been revised several times (the latest version is ASTM D323 ...

  3. MAP sensor - Wikipedia

    en.wikipedia.org/wiki/MAP_sensor

    The manifold absolute pressure sensor (MAP sensor) is one of the sensors used in an internal combustion engine's electronic control system. Engines that use a MAP sensor are typically fuel injected. The manifold absolute pressure sensor provides instantaneous manifold pressure information to the engine's electronic control unit (ECU).

  4. Flight test instrumentation - Wikipedia

    en.wikipedia.org/wiki/Flight_test_instrumentation

    Different types of transducers are required to respond to particular physical quantities, such as air pressure on the wing surface or fuel pressure in a fuel tube, and which produce an electrical equivalent which is recorded by a data acquisition system. [1] A core component of a data acquisition system are the data acquisition units (DAU).

  5. Air flow bench - Wikipedia

    en.wikipedia.org/wiki/Air_flow_bench

    H, pressure drop across test piece in pascals measured by the test pressure manometer d , density of air in kilograms per cubic meter ( 1.20 kilograms per cubic meter at standard conditions ) This represents the highest speed of the air in the flow path of a normally shaped port, at or near the section of minimum area ( through the valve seat ...

  6. OBD-II PIDs - Wikipedia

    en.wikipedia.org/wiki/OBD-II_PIDs

    OBD-II PIDs (On-board diagnostics Parameter IDs) are codes used to request data from a vehicle, used as a diagnostic tool.. SAE standard J1979 defines many OBD-II PIDs. All on-road vehicles and trucks sold in North America are required to support a subset of these codes, primarily for state mandated emissions inspections.

  7. Fuel pump - Wikipedia

    en.wikipedia.org/wiki/Fuel_pump

    On engines that use a carburetor (e.g. in older cars, lawnmowers and power tools), a mechanical fuel pump is typically used in order to transfer fuel from the fuel tank into the carburetor. These fuel pumps operate at a relatively low fuel pressure of 10–15 psi (0.7–1.0 bar).

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