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Liquid Hydrocarbons Sampling

Scope These methods are described to obtain a homogeneous liquid hydrocarbon samples for laboratory analysis In this method does not recommend placement of the sampling point. An outline of the method A sample of liquid hydrocarbon transferred under pressure from the existing piston in the cylinder. The piston cylinder is designed to put the pressurized inert gas. Piston also serves ...

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Fungsi Transduser Kapasitif

– memanfaatkan perubahan kapasitansi • akibat perubahan posisi bahan dielektrik diantara kedua keping • akibat pergeseran posisi salah satu keping dan luas keping yang berhadapan langsung • akibat penambahan jarak antara kedua keeping Gambar 3.31 Sensor posisi kapasitif: (a) pergeseran media mendatar, (b) pergeseran berputar, (c) pergeseran jarak plat – nilai kapasitansi berbanding lurus dengan area dan berbanding terbaik dengan ...

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Transduser Resolver dan Inductosyn

– berupa pasangan motor-generator: resolver dan transmiter digunakan untuk mengukur sudut pada sebuah gerakan rotasi – kumparan stator sebagai penerima ditempatkan pada sudut yang berbeda • 3 stator: syncho • 2 stator: resolver – versi linier (inductosyn) perbedaan sudut 90 derajat diperoleh dengan perbedaan 1/4 gulungan Gambar 3.40 Konstruksi Resolver – Inductosyn dan sinyal yang dihasilkan Detektor Proximity – (a) ...

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Sampling Techniques

Sampling or more popularly referred to as “sampling” is a specific procedure to be followed when a substance, material or product is taken to provide for testing of a representative sample of the whole. A substance, material or product sampled for a variety of reasons depending on its importance:  the reception: to assure that the product meets the specifications. ...

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Usage Control System

1 Speed ​​Control System Governor Watt basic principle of Watt’s governor engine with the schematic diagram illustrated in Figure 9.8. The magnitude of the rate of flow of fuel into the engine cylinders arranged in accordance with the difference between desired engine speed and actual engine speeds. Governor speed set according to the desired speed. The actual speed drops below ...

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Speed ​​Control System

Car steering As a simple example of an open control system, may be seen in Figure 2.11, which controls the steering wheel. Direction of the two front wheels can be considered a controlled variable or the output (y) direction of the steering wheel is driving or input signal (u). Car steering control system is still using mechanical systems, because the ...

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