GMA CoC EOOW Practice Questions - Ghana Maritime Authority Certificate Of Competency - Engineer Officer Of The Watch Exam

To allow the hot spot to cool below the ignition temperature of the oil mist, preventing a catastrophic explosion from air ingress. To allow the lube oil pump to scavenge all remaining oil from the crankcase sump. To allow the starting air pressure in the air receivers to bleed down to safe levels. To allow the cylinder liners to cool evenly, preventing thermal cracking of the engine frame.