Define the following terms related to compressor....

i] Compressor capacity:-  It is the volume of air delivered by the compressor in m3 per minute  It is express in m3 /min ii) FAD:-  It is the volume of air delivered by compressor under the intake conditions of temperature and pressure.  Capacity of compressor is generally given in terms of free air delivery.  Unit = m3 /cycle iii) Volumetric Efficiency: It is the ratio of actual volume of air delivered at standard atmospheric condition discharge in one delivery stroke to the swept volume by the piston during the stroke.iv) Mechanical Efficiency: It is the ratio of Indicated power to shaft (brake) power.