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Q8. With reference to Air-conditioning system onboard your vessel:

(a) Sketch and describe high pressure cut-out in a refrigeration system.

(b) The refrigeration compressor has stopped due to operation of the h.p cut-out Explain.

(i) The possible cause.

(ii) How these causes would be found and possible remedies.

(c) What steps are taken if the compressor “short-cycle” on low pressure cut-out?