One of the functions of the component labeled "E", shown in the illustration, is to __________. GS-0119

Correct Answer: Option D — act as a lube oil sump

Component 'E' in standard air compressor illustrations serves as the lube oil sump. This reservoir is critical for maintaining the oil level necessary for splash or pressure-fed lubrication systems, ensuring that all internal moving parts remain properly lubricated to prevent mechanical failure and excessive wear during continuous compressor operation.