With reference to a vapour compression refrigeration plant, explain the purpose of EACH of the following:
(a) Room thermostat (2)
(b) Expansion valve (2)
(c) High pressure cut out (2)
(d) Safety head (2)
(e) Unloader (2)
10 marks
Oct 2024
Reefer & A/C
UKM Tuticorin 
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