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.
The number of tons (2240 lbs.) of cargo, stores and bunkers that a vessel can transport. It is the difference between the number of tons of water a vessel displaces light and the number of tons it displaces w ...his is so given that this is a notional point in chartering terms, this is best described as the Shipper/Receiver arranging for delivery/receival of cargo to/from directly under ships hook and the ship paying for the labour to stow the cargo in the vesse ...