USCG USCG General Eng
Set 8 • Question #468 of 498
Launch Interactive Practice Room An unloader is installed on an air compressor to __________.
A
bypass the high pressure stage to the low pressure stage on 100% of the air compressors in service
B
prevent excessive interstage pressure buildup
C
control compressor discharge pressure
D
remove all but the frictional load during starting
✓ Correct Answer
USCG NMC Regulatory Explanation
In USCG Marine Engineering General Subjects, for engine room systems involving 'An unloader is installed on an air compressor to', the standard operating requirement is: 'remove all but the frictional load during starting'.
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