Thursday, January 26, 2012

Changes to Google Privacy Policy and Terms of Service

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Dear Google user,

We're getting rid of over 60 different privacy policies across Google and replacing them with one that's a lot shorter and easier to read. Our new policy covers multiple products and features, reflecting our desire to create one beautifully simple and intuitive experience across Google.

We believe this stuff matters, so please take a few minutes to read our updated Privacy Policy and Terms of Service at http://www.google.com/policies. These changes will take effect on March 1, 2012.


One policy, one Google experience
Easy to work across Google Tailored for you Easy to share and collaborate
Easy to work across Google

Our new policy reflects a single product experience that does what you need, when you want it to. Whether reading an email that reminds you to schedule a family get-together or finding a favorite video that you want to share, we want to ensure you can move across Gmail, Calendar, Search, YouTube, or whatever your life calls for with ease.

Tailored for you

If you're signed into Google, we can do things like suggest search queries – or tailor your search results – based on the interests you've expressed in Google+, Gmail, and YouTube. We'll better understand which version of Pink or Jaguar you're searching for and get you those results faster.

Easy to share and collaborate

When you post or create a document online, you often want others to see and contribute. By remembering the contact information of the people you want to share with, we make it easy for you to share in any Google product or service with minimal clicks and errors.


Protecting your privacy hasn't changed

Our goal is to provide you with as much transparency and choice as possible, through products like Google Dashboard and Ads Preferences Manager, alongside other tools. Our privacy principles remain unchanged. And we'll never sell your personal information or share it without your permission (other than rare circumstances like valid legal requests).

Understand how Google uses your data

If you want to learn more about your data on Google and across the web, including tips and advice for staying safe online, check out http://www.google.com/goodtoknow

Got questions?
We got answers.

Visit our FAQ at http://www.google.com/policies/faq to read more about the changes. (We figured our users might have a question or twenty-two.)


Notice of Change

March 1, 2012 is when the new Privacy Policy and Terms will come into effect. If you choose to keep using Google once the change occurs, you will be doing so under the new Privacy Policy and Terms of Service.

Please do not reply to this email. Mail sent to this address cannot be answered. Also, never enter your Google Account password after following a link in an email or chat to an untrusted site. Instead, go directly to the site, such as mail.google.com or www.google.com/accounts. Google will never email you to ask for your password or other sensitive information.

Thursday, January 5, 2012

Information about the AC Electric Motor

Conversion of electrical energy to mechanical energy through the electromagnetic means was first shown by a British scientist Michael Faraday in the year 1821. Working on this electromagnetic principle of producing mechanical energy through the interaction of the magnetic fields with the current carrying conductors lead to the invention of the first electrical motor in 1832 by a British scientist named William Sturgeon in the year 1832. By 1882 Nikola Tesla had discovered the correct use of rotating magnetic field to operate machines. The electric motors are further subdivided as Alternating current (AC) type and Direct Current (DC) types.

Today the AC motors have turned out to be the most common and industrial motor being used anywhere in the world. Having the key advantages of reliable operation, low cost, simple design, easily found replacements and having a variety of mounting styles, AC motors have become very popular and are widely used. They are designed such that it has a series of windings in the exterior and a rotating section inside. The changing electrical field caused by the AC line voltage will make the rotor turn around the axis of the motor. Here the speed of the motor will depend on the fixed number of the windings, frequency of the AC line voltage and the torque loading on the motor. A wide use of these AC electrical motors has made the search for replacements and spares an easy task.

These motors also have a few disadvantages like having an expensive speed control, its inability to operate at low speeds and the poor positioning control. The electronics required for an AC motor are more expensive as compared with the DC Motors. But for applications which are larger than 10 Horsepower these AC motors are usually more cost effective than the DC Motors. The ACmotors are the most preferred for the fixed speed applications in the commercial and domestic applications. They are found to have wide application in stationary power tools like the air conditioners, washers, dryers, fans, blowers and vacuum cleaners.

Electric motors are crucial to production. So it is important that service and maintenance is working professional. To get top service and great results in this industry, you must first learn the "ins and out" of the service business especially for electro-mechanical engineering.

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