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.
Contents. 1  1 How to Wear a Blazer with Jeans. 2  2 Sports Coats and Sports Jackets. 3  3 How to Wear a Sports Coat or Sports Jacket. 4  4 Sport Jacket/Sport Coat vs. Blazer 4.1 The Blazer. 4.2 The Suit Jacket. 5  5 Sports Jacket with Jeans 5.1 Casual Sport Coats/Sports Jackets with Jeans. 5.2 Black Sports Coat with Jeans. 6  6 Accessories.