In the case of the motor it is the rotor and the stator and for the pump it is the impeller and the volute (or diffuser). Of course the friction produced by bearings and other mechanical components (seals, stuffing box, etc) also affect pump efficiency, but the impeller and volute have the greatest influence. Lets start our investigation of centrifugal pump efficiency with the impeller.
The only difference between sport coats and blazers is that blazers are always solid-colored, usually blue, black, camel or dark green, while sport coats encompass about everything else. Blazers are considered more basic and more formal than sport coats. Photo Credit Jupiterimages/Brand X Pictures/Getty Images.
How do Irish kilt outfits differ from Scottish? Whilst an Irish kilt outfit may at first glance seem similar to one worn by a Scot, there are three main points of difference. These are the material from which the kilt is made; the style of the jacket; and the detailing of accessories. Our Complete Irish Outfits reflect this.