The overall efficiency of a centrifugal pump is simply the ratio of the water (output). power to the shaft (input) power and is illustrated by the equation below. Î· = P W / P S where Î· is efficiency, P w is the water power, and P s is the shaft power.
While talking about difference between a ship and a boat, the first thing that comes to oneâs mind is their sizes. Traditionally people consider a ship as a large ocean going vessel, whereas boats are comparatively quite smaller in size.
Whatâs the difference? There are obvious differences between catamarans and monohulls. Most notably, a monohull vessel has only one hull, or main body, whereas a catamaran has two hulls. Because of these two hulls, catamarans typically stay more level than their single-hulled counterparts.