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* Objectives * Justification * Theoretical Framework * Circuit diagram * Procedure assembly * Alarm Operation * Calculations for circuit * Budget * Conclusion * Bibliography * Annexes INTRODUCTION Alarms are useful in daily life of people for security. On this occasion, has developed a home alarm, which has performed a full assembly process, calculations ..

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* The lathe * Work movements in the turning operation * Structure around * Classes around * Non-production lathes * Semi-production lathes * Production lathes The lathe is a machine for making geometric form of revolution. Used from very ancient times for pottery. Then it consisted of a circular plate mounted on a vertical axis ..

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* Units and basic definitions * The rheostat * Semiconductor * Semiconductor diode * Conduction electrons and holes * Dopar * The LED (light emiter diode) * The Zener diode * The transistor * Phototransistor * The bipolar transistor Units and basic definitions: Ampere (Amp) (A): Unit of measurement of electric current, is the amount ..

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* Diodes * Application of diodes * Circuit with Zener diode * Transistor DC * Transistor structure * Field Effect Transistors (FET) * The low frequency transistor Field effect transistors * * Amplifier generally I and II operational feedback Considers analog electronics and works with continuous values may take infinite values, we can narrow that ..

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  Index 1. Introduction 2. Lubricating oils and greases 3. Quality control 4. Additives used in lubricating greases 5. Lubricating Oils 6. Conclusion 7. Bibliography 1. Introduction There is a machine in the world that it simply does not require lubrication, because with this much performance is improved, and the life of the equipment and ..

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Index 1. Introduction 3. Analysis 4. Bibliography 1. Introduction Everyone has been working on a process of increasing economic integration over the past decades. European countries began forty years formalization of economic integration and, despite the natural progress so complex dynamics are closer to a common market integrating most of Continental Europe. Although not as ..

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* Problem Statement * Theoretical Framework * Hypothesis * Project Engineering * Results and discussion * Conclusions * Recommended * Bibliography * Annexes Safety and Loss in hydrocarbon storage tanks * The fuel storage properly helps losses can be reduced, but not eliminated, by the characteristics of petroleum products. The storage is an element of ..

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Flip Flops * General * Flip-Flop * Pulse counters * Crossovers * Frequency Multipliers * Digital Comparators * Shift Registers * Multiplexer and de-multiplexer * GENERAL A combinational network is one that “combines” gates AND, OR, rejected and the 3rd State. A sequence is this but fed. In the output states will prefer to call ..

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* Introduction * Printed Circuits * Changing Impedance * Conclusions * Recommended * Bibliography Introduction To create electronic devices are four commonly used methods which are breadboard, perforated plate, WIREWRAP and printed circuits, the latter two will develop a little further the techniques used to obtain the best results at the time of their implementation. ..

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