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Where are centrifical compressor is most likely to be used
In chemical plants and refineries.
Which statement most accurately describes characteristics of
oil in a refrigeration compressor.
It helps remove friction heat from bearings and other wearing
surfaces.
What happens when oil goes out to the system beyond the
compressor.
It acts as a contaminant.
Which of these is the greatest cause of danger when draining
oil from ammonia refrigeration systems.
Oil that collects at a drain point is an active system must be
under pressure
, Which statement most accurately describes concerns about
draining oil from an ammonia refrigeration
It is a dangerous procedure that requires train qualified
operators.
Which statement most accurately describes characteristics of
ammonia and
Oil is heavier than liquid ammonia.
Which type of lubrication is used on a v and w reciprocating
and rotary screw compressors.
A full internal force feed system.
Which of these methods of moving oil is common in a screw
compressor oil management system.
A mechanical pump to deliver pressure differential over the
discharge pressure.