El documento presenta el himno de la Institución Técnica Educativa Concentración de Desarrollo Rural. El himno consta de tres estrofas que expresan el orgullo y gratitud por la institución, la defensa de valores como la sinceridad, amor y amistad, y el enfoque de la institución en las ciencias agropecuarias. El documento también incluye la misión, visión, bandera y escudo de la institución, que resaltan el enfoque en la formación integral y proyectos productivos cooperativos para transformar
Characteristics & uses of petroleum productsfaisal raza
Petroleum products are obtained through fractional distillation of crude oil based on boiling points and molecular weights. Different hydrocarbon ranges are used for various fuels like gasoline containing C4-C10 hydrocarbons, kerosene and aviation fuels containing C4-C19, and diesel fuels containing C8-C21. Refined fuels are mixtures of hydrocarbons formulated for specific properties and contain impurities like gums, metals, and microbial growth that require additives. Octane rating indicates gasoline resistance to detonation with higher ratings for higher compression engines, while volatility and flammability relate to evaporation and combustion tendencies important for engine performance.
Apresentação preparada para o evento Feminicidade, ocorrido em 11/03/2017.
Overview sobre alguns dados de mobilidade e gênero, contemplando pesquisas "Evolução dos Padrões de Deslocamento na Região Metropolitana de São Paulo: a necessidade de uma análise de gênero" de minha utoria, maepamento de entidade de mobilidade ativa pela ONG Como Anda e pesquisas de contagem (2008-2015) e qualitativa (2106) feita por entidades cicloativistas, como a CicloCidade (#GTGênero). Finalização com dados sobre a (não-)inserção da muher na política a partir de levantamento realizado no Open Data Day 2017.
Dokumen ini membahas tentang pentingnya lokasi perusahaan dalam pembentukan kota dan ekonomi perkotaan. Ada dua jenis perusahaan yaitu manufaktur dan komersial. Dalam menentukan lokasi, perusahaan mempertimbangkan faktor seperti pasar, sumber bahan baku, transportasi, tenaga kerja, dan biaya. Metode penentuan lokasi meliputi analisis kualitatif, perbandingan biaya, dan pusat gravitasi.
El documento presenta el himno de la Institución Técnica Educativa Concentración de Desarrollo Rural. El himno consta de tres estrofas que expresan el orgullo y gratitud por la institución, la defensa de valores como la sinceridad, amor y amistad, y el enfoque de la institución en las ciencias agropecuarias. El documento también incluye la misión, visión, bandera y escudo de la institución, que resaltan el enfoque en la formación integral y proyectos productivos cooperativos para transformar
Characteristics & uses of petroleum productsfaisal raza
Petroleum products are obtained through fractional distillation of crude oil based on boiling points and molecular weights. Different hydrocarbon ranges are used for various fuels like gasoline containing C4-C10 hydrocarbons, kerosene and aviation fuels containing C4-C19, and diesel fuels containing C8-C21. Refined fuels are mixtures of hydrocarbons formulated for specific properties and contain impurities like gums, metals, and microbial growth that require additives. Octane rating indicates gasoline resistance to detonation with higher ratings for higher compression engines, while volatility and flammability relate to evaporation and combustion tendencies important for engine performance.
Apresentação preparada para o evento Feminicidade, ocorrido em 11/03/2017.
Overview sobre alguns dados de mobilidade e gênero, contemplando pesquisas "Evolução dos Padrões de Deslocamento na Região Metropolitana de São Paulo: a necessidade de uma análise de gênero" de minha utoria, maepamento de entidade de mobilidade ativa pela ONG Como Anda e pesquisas de contagem (2008-2015) e qualitativa (2106) feita por entidades cicloativistas, como a CicloCidade (#GTGênero). Finalização com dados sobre a (não-)inserção da muher na política a partir de levantamento realizado no Open Data Day 2017.
Dokumen ini membahas tentang pentingnya lokasi perusahaan dalam pembentukan kota dan ekonomi perkotaan. Ada dua jenis perusahaan yaitu manufaktur dan komersial. Dalam menentukan lokasi, perusahaan mempertimbangkan faktor seperti pasar, sumber bahan baku, transportasi, tenaga kerja, dan biaya. Metode penentuan lokasi meliputi analisis kualitatif, perbandingan biaya, dan pusat gravitasi.
The document discusses developing a 3D finite element model to analyze the temperature field during gas metal arc welding of a dissimilar metals pipe-flange joint. It aims to investigate the effect of welding heat input on weld pool geometry and determine suitable parameters for welding different metal combinations. The model uses the Goldak double ellipsoidal heat source model and considers temperature-dependent material properties and heat losses through convection and radiation. Results show weld pool geometry and temperature distribution for similar metal welds of low carbon steel and dissimilar welds joining stainless steel to low carbon steel or stainless steel.
This document discusses a bachelor project on composites conducted by three students and supervised by Prof. Dr. Helmi Abdel Maksoud Youssef. It examines the machinability of aluminum-silicon alloy composites reinforced with nickel microparticles and aluminum oxide nanoparticles. Experiments were conducted to evaluate how drilling parameters like speed, feed force, and drill diameter affect power consumption, depth, and specific cutting resistance. Results showed that nano- and micro-composites had better machinability than the base alloy due to their higher ductility and strength. Microhardness was also measured for the different specimens.
Quality characteristics are properties of a product that are essential to its performance and reduce issues for consumers and production. They can be measurable variables or attributable traits. A quality population consists of all possible values a quality characteristic can take, whether continuous or discrete. Natural limits refer to ranges that include 99.73% of values for a quality characteristic, providing a standard for stability.
Marwan Zeitoun joined SPE in 2015. This certificate certifies that Marwan Zeitoun joined SPE in 2015. Janeen Judah, 2017 President and Mark Rubin, CEO and Executive VP signed the certificate.
Marwan Shehata Mohamed successfully completed the Coursera online course "Fundamentals of Project Planning and Management" on October 05, 2015. The course introduced concepts of project planning, Agile Project Management, critical path method, network analysis, and simulation for project risk analysis to equip learners with the language and mindset for planning and managing successful projects. The completion was certified by Yael Grushka-Cockayne, Associate Professor of Business Administration at the Darden School of Business, University of Virginia.
This certificate verifies that Marwan Shehata Mohamed Zeitoun successfully completed and passed the online course "PIPE01x: Introduction to Oil Country Tubular Goods (OCTG)" offered by TenarisUniversity through edX. The course was directed by Mario Vespa of Tenaris and Rolando Lange of TenarisUniversity. The certificate can be verified online at the provided URL.
Zahran Group is a leading manufacturer and distributor of household equipment in Egypt. It was founded in 1967 and has manufacturing facilities and stores across Egypt. The document describes Zahran's manufacturing process for cookware, which involves several steps: laser cutting stainless steel, deep drawing, blanking, hydroforming, induction heating, screw pressing, spot welding handles, and plating. It also discusses plastic products made through injection molding of materials like ABS and PP.
1. Lord Precision Industries manufactures three types of blades from martensitic stainless steel sheets: 22.2mm double blades, 17mm lower blades, and 14mm upper blades.
2. The manufacturing process involves punching blades from steel sheets using dies, heat treatment to increase hardness, grinding blade tips to shape, coating blades with chemicals, packaging, and quality inspections throughout.
3. Advanced machines like CNC are used to precision grind blades, while conventional machines are also employed for maintenance and flexibility. Quality is ensured through microscopy, hardness testing, and measuring blade features and cutting ability.
Solution to the Electronics Project using LTspiceMarwan Shehata
This document is a student's electronics project report consisting of 12 pages. It details experiments conducted with a 1N5371B diode to analyze its characteristics and behavior in different circuit configurations. The student measures current values under varying resistor loads to determine minimum resistances. Voltage measurements are taken across different load resistances. The document also examines a rectifier circuit using diodes and the effect of reducing or increasing the smoothing capacitor on the resulting current waveform.
Pickup and Styli types - pickups for magnetic productsMarwan Shehata
To measure the surface roughness of a magnetic part, a non-magnetic stylus should be used along with an inductance pickup. An inductance pickup measures the distance between the surface and pickup without interference from magnetic fields. A ruby ball stylus is suitable as ruby is a hard, non-magnetic ceramic material that minimizes wear. Using a non-magnetic stylus and pickup prevents magnetic flux from interfering with electrical signals and producing inaccurate readings during surface roughness measurement of magnetic parts.
Types of laser used in laser cutting machinesMarwan Shehata
The document discusses different types of lasers used in machining. It describes solid-state lasers like ruby and YAG lasers. Gas lasers like CO2 are commonly used for machining nonmetals. Neodymium-glass lasers can produce very short, high power pulses for research. Neodymium-YAG lasers can produce over 1 kW of continuous power and are used for machining and laser fusion research. Excimer lasers have short ultraviolet wavelengths and can precisely machine materials through direct vaporization without heat damage.
This document discusses different methods for measuring hardness in materials:
1. The Rockwell hardness test uses a diamond or steel ball indenter that is pressed into the material under a minor and then major load. The permanent increase in depth from the major load is used to calculate the Rockwell hardness number.
2. The Brinell hardness test uses a 10mm steel or carbide ball pressed into the material under a 3000kg load. The diameter of the indentation is measured to calculate the Brinell hardness number.
3. The Vickers hardness test uses a diamond pyramid indenter pressed into the material. The average of the diagonal lengths of the resulting indentation is used to calculate the Vickers hardness number.
1. The document discusses several non-conventional machining processes including EDM, LBM, USM, ECM, and wire EDM. EDM uses electrical discharges to erode metal away layer by layer. LBM uses a focused laser beam to melt and vaporize material. USM uses an oscillating tool to grind materials away with abrasives. ECM removes material electrochemically using electrolysis principles.
2. Each process has advantages like precision machining of difficult materials without tool contact or heat-affected zones, but also limitations such as high costs or inability to machine non-conductive materials. Parameters like power levels, abrasives, or electrolytes must be optimized for best results.
Geometrical Metrology: Bearing seats on shaft and in housingsMarwan Shehata
This 6-page document discusses geometrical metrology parameters for bearing seats on shafts and in housings. It defines cylindricity, perpendicularity, and runout, explaining their importance in ensuring proper alignment and reducing premature failure of bearings and other rotating components. Cylindricity refers to how much a surface may deviate from a perfect cylinder. Perpendicularity ensures bearing surfaces are square to the shaft centerline. Runout measures deviation from true rotation and can cause misalignment if too high. The document emphasizes that following specified tolerances for these parameters is crucial for reliability.
The document discusses developing a 3D finite element model to analyze the temperature field during gas metal arc welding of a dissimilar metals pipe-flange joint. It aims to investigate the effect of welding heat input on weld pool geometry and determine suitable parameters for welding different metal combinations. The model uses the Goldak double ellipsoidal heat source model and considers temperature-dependent material properties and heat losses through convection and radiation. Results show weld pool geometry and temperature distribution for similar metal welds of low carbon steel and dissimilar welds joining stainless steel to low carbon steel or stainless steel.
This document discusses a bachelor project on composites conducted by three students and supervised by Prof. Dr. Helmi Abdel Maksoud Youssef. It examines the machinability of aluminum-silicon alloy composites reinforced with nickel microparticles and aluminum oxide nanoparticles. Experiments were conducted to evaluate how drilling parameters like speed, feed force, and drill diameter affect power consumption, depth, and specific cutting resistance. Results showed that nano- and micro-composites had better machinability than the base alloy due to their higher ductility and strength. Microhardness was also measured for the different specimens.
Quality characteristics are properties of a product that are essential to its performance and reduce issues for consumers and production. They can be measurable variables or attributable traits. A quality population consists of all possible values a quality characteristic can take, whether continuous or discrete. Natural limits refer to ranges that include 99.73% of values for a quality characteristic, providing a standard for stability.
Marwan Zeitoun joined SPE in 2015. This certificate certifies that Marwan Zeitoun joined SPE in 2015. Janeen Judah, 2017 President and Mark Rubin, CEO and Executive VP signed the certificate.
Marwan Shehata Mohamed successfully completed the Coursera online course "Fundamentals of Project Planning and Management" on October 05, 2015. The course introduced concepts of project planning, Agile Project Management, critical path method, network analysis, and simulation for project risk analysis to equip learners with the language and mindset for planning and managing successful projects. The completion was certified by Yael Grushka-Cockayne, Associate Professor of Business Administration at the Darden School of Business, University of Virginia.
This certificate verifies that Marwan Shehata Mohamed Zeitoun successfully completed and passed the online course "PIPE01x: Introduction to Oil Country Tubular Goods (OCTG)" offered by TenarisUniversity through edX. The course was directed by Mario Vespa of Tenaris and Rolando Lange of TenarisUniversity. The certificate can be verified online at the provided URL.
Zahran Group is a leading manufacturer and distributor of household equipment in Egypt. It was founded in 1967 and has manufacturing facilities and stores across Egypt. The document describes Zahran's manufacturing process for cookware, which involves several steps: laser cutting stainless steel, deep drawing, blanking, hydroforming, induction heating, screw pressing, spot welding handles, and plating. It also discusses plastic products made through injection molding of materials like ABS and PP.
1. Lord Precision Industries manufactures three types of blades from martensitic stainless steel sheets: 22.2mm double blades, 17mm lower blades, and 14mm upper blades.
2. The manufacturing process involves punching blades from steel sheets using dies, heat treatment to increase hardness, grinding blade tips to shape, coating blades with chemicals, packaging, and quality inspections throughout.
3. Advanced machines like CNC are used to precision grind blades, while conventional machines are also employed for maintenance and flexibility. Quality is ensured through microscopy, hardness testing, and measuring blade features and cutting ability.
Solution to the Electronics Project using LTspiceMarwan Shehata
This document is a student's electronics project report consisting of 12 pages. It details experiments conducted with a 1N5371B diode to analyze its characteristics and behavior in different circuit configurations. The student measures current values under varying resistor loads to determine minimum resistances. Voltage measurements are taken across different load resistances. The document also examines a rectifier circuit using diodes and the effect of reducing or increasing the smoothing capacitor on the resulting current waveform.
Pickup and Styli types - pickups for magnetic productsMarwan Shehata
To measure the surface roughness of a magnetic part, a non-magnetic stylus should be used along with an inductance pickup. An inductance pickup measures the distance between the surface and pickup without interference from magnetic fields. A ruby ball stylus is suitable as ruby is a hard, non-magnetic ceramic material that minimizes wear. Using a non-magnetic stylus and pickup prevents magnetic flux from interfering with electrical signals and producing inaccurate readings during surface roughness measurement of magnetic parts.
Types of laser used in laser cutting machinesMarwan Shehata
The document discusses different types of lasers used in machining. It describes solid-state lasers like ruby and YAG lasers. Gas lasers like CO2 are commonly used for machining nonmetals. Neodymium-glass lasers can produce very short, high power pulses for research. Neodymium-YAG lasers can produce over 1 kW of continuous power and are used for machining and laser fusion research. Excimer lasers have short ultraviolet wavelengths and can precisely machine materials through direct vaporization without heat damage.
This document discusses different methods for measuring hardness in materials:
1. The Rockwell hardness test uses a diamond or steel ball indenter that is pressed into the material under a minor and then major load. The permanent increase in depth from the major load is used to calculate the Rockwell hardness number.
2. The Brinell hardness test uses a 10mm steel or carbide ball pressed into the material under a 3000kg load. The diameter of the indentation is measured to calculate the Brinell hardness number.
3. The Vickers hardness test uses a diamond pyramid indenter pressed into the material. The average of the diagonal lengths of the resulting indentation is used to calculate the Vickers hardness number.
1. The document discusses several non-conventional machining processes including EDM, LBM, USM, ECM, and wire EDM. EDM uses electrical discharges to erode metal away layer by layer. LBM uses a focused laser beam to melt and vaporize material. USM uses an oscillating tool to grind materials away with abrasives. ECM removes material electrochemically using electrolysis principles.
2. Each process has advantages like precision machining of difficult materials without tool contact or heat-affected zones, but also limitations such as high costs or inability to machine non-conductive materials. Parameters like power levels, abrasives, or electrolytes must be optimized for best results.
Geometrical Metrology: Bearing seats on shaft and in housingsMarwan Shehata
This 6-page document discusses geometrical metrology parameters for bearing seats on shafts and in housings. It defines cylindricity, perpendicularity, and runout, explaining their importance in ensuring proper alignment and reducing premature failure of bearings and other rotating components. Cylindricity refers to how much a surface may deviate from a perfect cylinder. Perpendicularity ensures bearing surfaces are square to the shaft centerline. Runout measures deviation from true rotation and can cause misalignment if too high. The document emphasizes that following specified tolerances for these parameters is crucial for reliability.