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  2. Leak-down tester - Wikipedia

    en.wikipedia.org/wiki/Leak-down_tester

    A compression tester. Leak-down testing is a static test. Leak-down tests cylinder leakage paths. Leak-down primarily tests pistons and rings, seated valve sealing, and the head gasket. Leak-down will not show valve timing and movement problems, or piston movement related sealing problems. Any test should include both compression and leak-down.

  3. Leak detection - Wikipedia

    en.wikipedia.org/wiki/Leak_detection

    A leak appearing within an analytic region (a rule added to the camera) is immediately analyzed for its attributes, including thermal temperature, size, and behaviour (e.g. spraying, pooling, spilling). When a leak is determined to be valid based on set parameters, an alarm notification with leak video is generated and sent to a monitoring station.

  4. Tracer-gas leak testing - Wikipedia

    en.wikipedia.org/wiki/Tracer-gas_leak_testing

    A tracer-gas leak testing method is a nondestructive testing method that detects gas leaks.A variety of methods with different sensitivities exist. Tracer-gas leak testing is used in the petrochemical industry, the automotive industry, the construction industry [1] and in the manufacture of semiconductors, among other uses.

  5. Gas detector - Wikipedia

    en.wikipedia.org/wiki/Gas_detector

    A gas detector can sound an alarm to operators in the area where the leak is occurring, giving them the opportunity to leave. This type of device is important because there are many gases that can be harmful to organic life, such as humans or animals. Gas detectors can be used to detect combustible, flammable and toxic gases, and oxygen depletion.

  6. Helium mass spectrometer - Wikipedia

    en.wikipedia.org/wiki/Helium_mass_spectrometer

    The test system can be set up easily, with normal pneumatic items, such as valves and plastic hoses. For the embedding of the test samples, a simple plastic bag is sufficient. The UST method was also used for the leak testing of component of the fusion experiment Wendelstein 7-X in Germany.

  7. Internal combustion engine - Wikipedia

    en.wikipedia.org/wiki/Internal_combustion_engine

    In the same test, a Buick equipped with a modified 455ci V8 engine and a 4-speed manual transmission was measured to have an average drivetrain power loss of 21%. [63] Laboratory testing of a heavy-duty diesel engine determined that 1.3% of the fuel energy input was lost to parasitic loads of engine accessories such as water and oil pumps. [62]

  8. Crankcase dilution - Wikipedia

    en.wikipedia.org/wiki/Crankcase_dilution

    The way to test the flash point of the oil is to manually take a sample and use a testing kit. When the fuel leaks into the lube oil the chemical makeup is different than the normal lube oil. Another way to test for crankcase dilution is to use a SAW to test the concentration of fuel oil in the crankcase oil. [5] SAW stands for surface acoustic ...

  9. Explosive gas leak detector - Wikipedia

    en.wikipedia.org/wiki/Explosive_gas_leak_detector

    An explosive gas leak detector is a device used to detect explosive gas leaks in enclosed spaces. Typically, a local alarm will be triggered, and optionally a remote alarm may also be connected. Typically, a local alarm will be triggered, and optionally a remote alarm may also be connected.