Magnetic particle inspection (MPI) - Is a non-destructive testing (NDT) process for detecting surface and slightly subsurface discontinuities in ferroelectric materials such as iron‚ nickel‚ cobalt‚ and some of their alloys. The process puts a magnetic field into the part. The piece can be magnetized by direct or indirect magnetization. Direct magnetization occurs when the electric current is passed through the test object and a magnetic field is formed in the material. Indirect magnetization occurs
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Freedom‚ what does this word truly mean. Some say that freedom is when you can do whatever you want. Others say it’s when you have a certain limit of what you want to do. But have you ever asked yourself what it means to you. Well I have and I think freedom is the pursuit of happiness‚ freely expressing yourself‚ and never change for anyone because they want you to. If you think differently you should feel accomplished because in the world that we live in today everyone is walking down the same path
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this week’s posting‚ I will be discussing a topic from the assignment I found interesting and the reason why. Marry Ann Warren gives an interesting definition of what it means to be human. She argues that there are distinctions to the definition of humanness. To her‚ being part the moral sense is to be human‚ whereas genetic humanity does not qualify someone for being a human. Warren argues that the human fetus is not a person because they do not fulfill the five qualifications of personhood. I
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I DESIGN OF FRICTIONLESS TRAIN SYSTEM USING MAGNETIC LEVITATION A Project report submitted in partial fulfillment of the requirement for the award of degree of BACHELOR OF TECHNOLOGY IN MECHANICAL ENGINEERING Submitted By P. Rekha Punnami - 09241A0390 N. Sahithi Reddy - 09241A0395 Under the Guidance of Dr. ADAPA RAMA RAO Professor & Dean Department Of Mechanical Engineering Gokaraju Rangaraju Institute of Engineering and Technology Bachupally‚ Hyderabad – 500 090
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Latihan 5: Magnetism Magnetic Fields 1. An electron gun fires electrons into a magnetic field directed straight downward. Find the direction of the force exerted by the field on an electron for each of the following directions of the electron’s velocity: (a) horizontal and due north; (b) horizontal and 30° west of north; (c) due north‚ but at 30° below the horizontal; (d) straight upward. 2. (a) Find the direction of the force on a proton moving through the magnetic fields in Figure 1‚ as
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• Tessa‚ a happily married mom who recently gave up her professorship to stay at home with her two small children in a suburb of Boston. She’s harried but content with her choice‚ perhaps because her husband‚ Nick‚ is the spousal ideal: a hunky pediatric plastic surgeon who loves kids. On the other side is Valerie‚ a single mother who’s made her own way‚ putting herself through Harvard Law School while raising a baby alone. She’s had her share of heartache and decided to avoid any more pain by spurning
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Does humanity triumph over evil? Based on The Stanford Experiment‚ an experiment where twenty four undergraduates were put in a prison‚ taking on the roles of prisoners and guards‚ it clearly shows that humanity does not triumph over evil (YouTube‚ 2005). Normal people can show their true evil when put in stressful situations. In the documentary‚ the guards took the power to their heads and became mean and mentally abused the prisoners. The "good" guards also did not stop the "evil" guards from
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Production of magnetic flux A rotating magnetic field in the stator is the first part of operation. To produce a torque and thus rotate‚ the rotors must be carrying some current. In induction motors‚ this current comes from the rotor conductors. The revolving magnetic field produced in the stator cuts across the conductive bars of the rotor and induces an e.m.f. The rotor windings in an induction motor are either closed through an external resistance or directly shorted. Therefore‚ the e.m.f induced
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has a rather low intensity magnetic field. Alnico magnet alloy is now mainly used in applications where the magnet will be exposed to elevated temperatures. • Rare Earth Magnets Samarium Cobalt (SmCo) and Neodymium Iron Boron (NdFeB) are called Rare Earth because Neodymium and Samarium are found in the rare earth elements on the periodic table. Both Samarium Cobalt and Neodymium magnet alloys are powdered metals which are compacted in the presence of a strong magnetic field and are then sintered
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What it Means to Be Canadian Melinda R Perkins English 255 Professor Sharren Patterson July 14‚ 2010 What it Means to Be Canadian in the 21st Century Canada is a country occupying most of North America‚ extending from the Atlantic Ocean in the east to the Pacific Ocean in the west and northward to the Arctic Ocean. It is the world’s second largest country by total area (Wikipedia.org‚ 2010). To be Canadian means more that simply living in Canada. In Canada we stand up for what we believe
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