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  • Users: harmony
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  1. harmony

    Emission probability failure

    Hi, I am looking at the probability of emission failures during a European emissions test. could any one please explain the following text: With a minimum sample size of 3, the sampling procedure is set so that the probability of a lot passing a test with 40 % of the production defective is 0,95...
  2. harmony

    emissions failure probability

    Hi, I am looking at the probability of emission failures during a European emissions test. could any one please explain the following text: With a minimum sample size of 3, the sampling procedure is set so that the probability of a lot passing a test with 40 % of the production defective is 0,95...
  3. harmony

    Electric application of service and parking brake

    I am interested in the electric/electronic application of service/secondary braking (including parking brake) of automobiles. I am interested in how they work, how the braking force is applied and what sort of load is placed on the battery. A specific question is, with the engine switched off...
  4. harmony

    FEA Auto bodies

    I am involved with testing modular ambulance bodies subjected to 10g dynamic pulses in 6 directions, I am concerned with internal items comming away from their fixings as well as doors opening and contents becoming projectiles. I have a lot of experience of dynamic testing, but my knowledge of...
  5. harmony

    Air flow measurement

    Hi, I need to measure X number of air changes for a given volume (internal area of a motor vehicle)as a check against manufacturers claims. I require a simple, portable device which is reasonably accurate, has some form of read out. A data recording/storage facility would be nice. Any ideas...

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