4.10 Refrigeration Principles and Systems

In a two stage, duplex compressor refrigeration system, the condenser for the first stage is the ______ for the second stage.

The major components of a high-pressure ammonia system are:

A/An _____ is usually provided between the low-pressure discharge and high-pressure suction of a multi-stage refrigeration system.

The standard refrigeration cycle is used to compare refrigerants and machines operating under comparable conditions. These standard conditions are:

A reciprocating refrigerant compressor may have both a/an ______ and a/an ______.

There are _____ basic elements common to most compression refrigeration systems.

Most modern refrigeration systems make use of the principle of absorbing heat by:

The difference in enthalpy of ammonia as a fluid at saturation conditions at 1165.8 kPa abs and 236.2 kPa abs is found in the:

The liquid receiver in a refrigeration system is a/an:

In a two-stage refrigeration system, the 1st stage compressor is also known as a _____ compressor.