[Solved] What is the effect of frost on the cooling coils of the evaporator of refrigeration system

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Q.	What is the effect of frost on the cooling coils of the evaporator of refrigeration system
A.	It reduces the life of cooling coils
B.	It increases the compressor pressure
C.	It makes the compressor run for comparatively short runs
D.	It acts as the insulator and decreases the heat transfer rate
Answer» D. It acts as the insulator and decreases the heat transfer rate

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