Now a days symbian OS has become standard operating system for mobilephones and it is licensed by more than 80 percent of the world's handset manufacturers. A symbian OS is...

Helix angle, Angle between a tangent to the helix and the gear axis,Is zero in the limiting case of a spur gear. Also Helix angleis a constant angle made by...

Generator is the general term for mechanical devices that make electricity. Source: Webster's Revised Unabridged Dictionary. An alternator changes the power fom dirrect or alternating, or the opposite dunno about...