Refrigeration and Air Conditioning
A pressure gauge on the discharge side of a refrigerant compressor reads too high. The reasons will be

All of these
Dirty condenser surface
Lack of cooling water
Water temperature being high

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Refrigeration and Air Conditioning
The reciprocating refrigerant compressors are very suitable for

Small displacements and high condensing pressures
Large displacements and low condensing pressures
Small displacements and low condensing pressures
Large displacements and high condensing pressures

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