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Concentric circles on the disk surface?
Concentric circles, are circles within circles. Each concentric circle on the surface of a disk represents a track, the narrower the circle is, the more data can be stored on the disk.
How many tracks or circles are there on the bottom side of the disk?
ballsack
How many shapes have infinite line of symmetry?
Circles and discs (separate things as a circle is the edge or circumference only wereas a disk is inside of circle also)
What is rotating concentric cylinder viscometer?
this unit basically consist of two concentric cylinders and a small intervening annular space contains the test fluids whose viscosity is to be determined.The outer cylinder is rotated at a constant angular speed. the viscous drag due to the liquid between the cylinders produce a torque on the inner cylinder, which would rotate if it was not restrained by an equal and opposite torque developed by torsion wire. as the spring torque is proportional to the angle through which it turns, therefor the angular moment of the pointer on a fixed disk is used as a measure of viscosity.
17xx post error indicates?
17xx Fixed disk (hard drive) 1701 Fixed disk adapter 1702 Fixed disk adpater 1703 Fixed disk drive 1704 Fixed disk drive or adapter 1780 Fixed disk 0 failure (C drive failure) 1781 Fixed disk 1 failure (D drive failure) 1782 Fixed disk controller failure 1790 Fixed disk 0 1791 Fixed disk 1
