RETA Chapter 7 Review Quiz With Solutions
RETA Chapter 7 Review Quiz With Solutions Care must be taken when handling and storing oil containers that have been opened because ️️They should be resealed as oil will absorb moisture from the atmosphere. Oil in screw compressors have 4 separate functions in refrigeration systems. They are ️️Lubrication, sealing, cooling, and cleaning Is oil heavier or lighter than liquid ammonia? ️️Heavier When a spring return ball valve is used in an oil drain, the operator needs to be sure of what condition? ️️That the ball is vented. Oil and halo carbon refrigerants are ️️Soluble and quite miscible
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