Circuit breakers have an electrical life and a mechanical life:

The electrical life refers to the average number of times the circuit breaker can trip before failure.
The mechanical life refers to the average number of times the circuit breaker can be manually tripped before failure.
Number of Poles

Another characteristic shared by all product lines is that circuit breakers are available with a varying number of poles, according to the number of phase conductors in the protected circuit:

1-pole: Single phase
2-pole: Two-phase or sin ....etc

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An electricity meter, electric meter, electrical meter, or energy meter is a device that measures the amount of electric energy consumed by a residence, a business, or an electrically powered device.Electric utilities use electric meters installed at customers' premises to measure electric energy delivered to their customers for billing purposes. They are typically calibrated in billing units, the most common one being the kilowatt hour . They are usually read once each billing period.When energy savings during certain periods are desired, ....etc

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Google Goggles is an image recognition mobile app developed by Google. It is used for searches based on pictures taken by handheld devices. For example, taking a picture of a famous landmark searches for information about it, or taking a picture of a product's barcode searches for information on the product.
History
Google Goggles was developed for use on Google's Android operating systems for mobile devices. While initially only available in a beta version for Android phones, Google announced its plans to enable the software to run on other ....etc

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i want a ppt on diode working principle.because i want to know that how diode can convet ac to dc. ....etc

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i want to know the circuit digram with complete explaintion of weighing machine.i will be very thankful to you for this act. ....etc

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ppt working principle of pulse tube refrigerator

Abstract

The working fluid for the pulse tube refrigerator is Helium, which is non-toxic to humans and harmless to the environment. The Pulse Tube Refrigeration unit offers a viable alternative to units that currently require CFC and HCFC working fluids. Pulse Tube Refrigerators can be operated over wide range of temperatures. These units can be used in numerous space and commercial applications, including food freezers freeze dryers. It can also be used to cool detectors and electronic devices ....etc

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To get full information or details of gifi technology please have a look on the pages

http://seminarsprojects.net/Thread-gi-fi

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Overview

Direct to home technology refers to the satellite television broadcasting process which is actually intended for home reception. This technology is originally referred to as direct broadcast satellite (DBS) technology. The technology was developed for competing with the local cable TV distribution services by providing higher quality satellite signals with more number of channels.

In short, DTH refers to the reception of satellite signals on a TV with a personal dish in an individual home. The satellites that are used for this pu ....etc

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i need the working of an electric iron and its componets assosiated eit it for a project purpose.. kindly make it that available.. ....etc

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