[محمد اشرف]

المشاركة الأصلية كتبت بواسطة Hisham.Elgazzar السوال واحد: هيحصل كل ماسبق ماعادا ان المكنة ماتدورش لأن اعتبار المارش سليم السوال إتنين :، الطنبورة قطرها 20.1 سنتيمتر حد أقصى السوال التالت : دى إجابته انه بيقيس مستوى العادم اللى خارج من علبة البيئة ويدى القرايات للكمبيوتر To monitor the efficiency of the catalyst السوال الرابع: بخصوص الإشتعال المسبق او التسقيف وده بسبب استخدام اوكتان اقل من اللى الموتور محتاج او ان نسبة إنضغاط الموتور اعلى من الأوكتان فبيخلى البنزين يشتعل بدرى يبقى دى الإجابة c. Advanced ignition results in higher combustion chamber pressure اما السؤال الأخير انا مش هاحله علشان ما أكسبش وشكرااااااا piezo technology how it works Direct Piezo Electric Effect: If a force is applied to a piezo electric structure, surface charges are induced by the dielectric displacement, and therefore an electric field is built up. Electrodes transforms this into electric voltage. If the electrodes are shorted, the surface charges balance out by a current. Indirect Piezo Electric Effect: When an electric field acts on a piezo electric str ucture it becomes distorted. If this distortion is prevented, a T elastic tension occurs. A force F is therefore applied to the device which prevents the distortion of the piezo electric body. This reversal of the direct piezo electric effect is defined as indirect or inverse piezo effect. In practice, the indirect piezo effect is used in static as well as dynamic operation. Everswitch - the patented technology: The Baran VPM (Versatile Piezo Module): The principle behind the Baran Piezo technology is the assembly of all the necessary components into a single unit (the Module) and thus eliminating the need for handling every single component for each Push Point manufactured. The VPM is a solid state (no moving parts), stand alone module which may be arranged in any configuration by simply clicking it into the housing. The VPM also features a few significant advantages: Unlike other common Piezo electric technologies, the VPM , is a mechanically assembled structure. It features a very stable structure unaffected by extreme temperature fluctuations and not prone to deterioration of components. Due to our assembly process there is no need for soldering wires to the sensitive pie zo ceramic. Dependency on employee skills and workmanship is greatly reduced and the module, placed behind a 0.6mm thick substrate, is extremely durable and reliable. واللى احتمال تكون مستخدمة فى :c. solenoid valves for ABS

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