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Examen
NATE Practice Exam CORRECT 100%
A suction line accumulator should be used in a residential heating pump only when recommended by the manufacturer if: 
 
a. Long refrigerant lines increase system charge over recommended maximum charge 
 
b. added oil dilution is required to maintain proper lubrication 
 
c. the system has low vapor line pressure drop and accumulator is added to improve efficiency 
 
d. the system does not include a high pressure switch or time delay - ANSWERA. Long refrigerant lines increase system charge ove...
Examen
NATE Exam: Core Essentials | 100+ Questions with 100% Correct Answers
PopularNATE Exam: Core Essentials | 100+ Questions with 100% Correct Answers