Question:-
When the discharge pressure is too high in refrigeration system, high pressure control is installed to
Option (A)
Stop the cooling fan
Option (B)
Stop the water circulating pump
Option(C)
Regulate the flow of cooling water
Option(D)
Stop the compressor
Correct Option:
(D)
Question Solution:
The high pressure control is used as safety control. The compressor is stopped by cutting the the power supply given to the motor of the compressor, whenever the discharge pressure of the compressor because excessive. This is necessary to prevent the possible damages of the equipments


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