Today, however, crucial words used to describe these traditional topics have been stripped from an influential children's dictionary in favour of more 'modern' terms. Among the entries which have disappeared from the latest edition of the Oxford Junior Dictionary are disciple, coronation, empire, piglet and acorn. In their place come the likes of MP3 player, broadband, biodegradable, committee and celebrity.
A heat pump is a device that transfers heat energy from a source of heat to a destination called a heat sink. Heat pumps are designed to move thermal energy in the opposite direction of spontaneous heat transfer by absorbing heat from a cold space and releasing it to a warmer one. A heat pump uses a small amount of external power to accomplish the work of transferring energy from the heat source to the heat sink.
Centrifugal Pump- Definition. â¢ Centrifugal Pump can be defined as a mechanical device used. to transfer liquid of various types. â¢ As the name suggests, it relies on the principal of Centrifugal. force. â¢ It converts the energy provided by a prime mover, such as an. electric motor, steam turbine, or gasoline engine, to energy. within the liquid being pumped.