Which compressor has two figure-eight shaped impellers revolving in opposite directions within a casing?
a) rotary lobe units
b) screw units
c) sliding vane units
d) reciprocating units
e) centrifugal units
Answer: A
Which compressor has two figure-eight shaped impellers revolving in opposite directions within a casing?
a) rotary lobe units
b) screw units
c) sliding vane units
d) reciprocating units
e) centrifugal units
Answer: A