ECCENTRIC AND STRAP – An eccentric is a disc having its axis of rotation out of…

DIRECT CONNECTED COMPRESSOR – A compressor in which the prime mover is attached direct to the…

CENTRIFUGAL COMPRESSOR – A compressor designed to deliver large quantities of air or gas at low…

BOYLE’S LAW – At constant temperature, the absolute pressure of a gas varies inversely as its…

ABSOLUTE HUMIDITY – Actual quantity of water vapour in the air, usually expressed as so many…