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40 TRG-TRC003-EN
Quiz
10 What is the state of the refrigerant when it enters the compressor?
11 What is the state of the refrigerant when it enters the expansion device?
Questions for Period 4
12 What is enthalpy?
13 Using the pressure–enthalpy chart in Figure 59, identify the components of
the vapor-compression refrigeration cycle:
a $ to %
b & to '
c % to &
d ' to $
$
'
SUHVVXUH
SUHVVXUH
HQWKDOS\
HQWKDOS\
%
&
Figure 59