MARINA OIC-EW Theoretical Exam case studies
MARINA OIC-EW Theoretical Exam · Put your knowledge to work in context.
The MARINA OIC-EW Theoretical Examination is the written knowledge assessment that a marine engineer in the Philippines must pass as part of the process for a Certificate of Competency as Officer in Charge of an Engineering Watch. It is aimed at engineers who already hold the required sea service and lower-level certification and are moving into a watchkeeping role. The MARINA OIC-EW Theoretical Exam case studies are 5 cases and about 3,463 words.
1Main Engine Fuel Changeover with Rising Exhaust and Scavenge Temperatures
At 0340, a 48,000 DWT product tanker is proceeding at 13 knots on a MAN B&W 6S50MC-C main engine at 75% load, burning 1.0% sulphur HFO. The vessel will enter a 0.10% sulphur ECA in two hours.
755 words, about 4 min2Blackout During Bow Thruster Start with Reverse-Power Trip
Two 1,200 kW, 450 V diesel generators are paralleled at 800 kW total load on a 9,000 dwt container feeder. The vessel is manoeuvring in port and the bow thruster is about to start.
677 words, about 3 min3Steering Gear Hydraulic Leak on Passage
A 75,000 dwt bulk carrier is on a six-day ocean passage in fine weather. The electro-hydraulic ram-type steering gear has two independent power units.
670 words, about 3 min4Ballast Exchange, Free Surface and List
Your 25,000 t displacement bulk carrier is in ballast and conducting ballast-water exchange in a moderate swell. The vessel has developed a 4° starboard list.
662 words, about 3 min5PSC Inspection: OWS Bypass, Oil Record Book Gaps and Rest-Hour Breaches
During a port state control inspection of a 2012-built oil tanker, the inspector finds the oily-water separator's 15 ppm alarm bypassed by a flexible hose and a manually operated valve. The oil record book Part I has no entries for three overboard discharges recorded in the engine log two weeks earlier.
699 words, about 3 min