A 3 m³/min compressor means that it

A)
compresses 3 m³/min of standard air
B)
compresses 3 m³/ min of free air
C)
delivers 3 m³/ min of compressed air
D)
delivers 3 m³/ min of compressed air at delivery pressure

Correct Answer : Option (B) :   compresses 3 m³/ min of free air