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 differences are minor: 1  A blazer refers to a sportcoat that is made of navy wool, with brass buttons. 2  A suit jacket is the jacket part of a suit. 3  A sport coat is a jacket, cut like a suit jacket or blazer, that doesn't have an accompanying pair of pants - it's a standalone jacket.
The first is a long-sleeved shirt, trousers, tie, winter blazer and jacket while the second is a short-sleeved shirt, shorts and winter blazer and jacket. Public schools to get new uniform. He was last seen wearing a long-sleeved dark blue T-shirt, green khaki pants, sandals and a dark blue baseball hat.