3-74.Under normal operating conditions,the receiver of a properly chargedrefrigeration system should be atwhat level when the compressorstops?1.25 percent full2.50 percent full3.85 percent full4.100 percent full3-75.Which of the following actionsshould you take before tighteningthe cap on a cleaned liquid linestrainer?1.Test the strainer for leaks2.Open the strainer outlet valve3.Purge the air out of thestrainer4.Replace the strainer screenspring25
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