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Tuesday, 20 November 2012


Turbomachine is a rotary type device using which energy transfer is brought about by dynamic action without an impervious boundary that prevents the free flow of a liquid at any time.


Compact fluorescent lamp


Deviation from the true value of a measured variable.

Monday, 5 November 2012


Mercator is used for navigation for maps of equatorial regions. Transverse mercator is used for mapping large areas in north-south. Oblique mercator is used to show regions along a great circle other than the equator or a meridian.