MARINA Second Engineer / Chief Engineer Theoretical Exam case studies
MARINA Second Engineer / Chief Engineer Theoretical Exam · Put your knowledge to work in context.
The MARINA Second Engineer and Chief Engineer Theoretical Examination is the management-level written assessment administered by the Maritime Industry Authority (MARINA) of the Philippines for marine engineer officers seeking a Certificate of Competency at the Second Engineer or Chief Engineer level. It is intended for engine officers who have completed the required seagoing service and ancillary training and who now need to demonstrate theoretical competence before a written paper. The MARINA Second Engineer / Chief Engineer Theoretical Exam case studies are 5 cases and about 4,824 words.
1No.4 Unit Overheating and Turbocharger Surging on a Two-Stroke Main Engine
Your ship is a 6-cylinder low-speed two-stroke direct-drive bulk carrier, 14 days out, running at 68% MCR on HFO in a moderate following sea. Over the last 8 hours the exhaust gas temperature on No.4 unit has risen from 335 °C to 385 °C while the other units sit between 330 and 340 °C.
1,000 words, about 5 min2Repeated Boiler Flame Failure After a Fuel Changeover
An 18-year-old product tanker has a vertical cylindrical auxiliary boiler rated at 4.5 t/h, burning HFO 380 cSt at 15 bar to supply fuel heating and accommodation services. On departure from a port where the ship had been burning MGO for two days, the second engineer carries out the changeover to HFO on the boiler burner.
986 words, about 5 min3Earth Fault on the 440 V Insulated System During Berthing
A 35,000 dwt product tanker has a 440 V, 60 Hz, three-phase, three-wire insulated system with an earth fault detection relay and indicator lamps on the main switchboard. The ship is approaching a river berth with the pilot on board, two tugs made fast and a strong ebb tide running.
922 words, about 5 min4Tampered Oily Water Separator Found at Port State Control
A 2010-built 45,000 dwt bulk carrier has a 15 ppm bilge separator, a 15 ppm bilge alarm, and an 8 m³ oily bilge holding tank. During a port state control inspection the inspector finds the separator's overboard discharge valve open, the three-way valve held in the overboard position by a jubilee clip, and the alarm's sample line disconnected.
965 words, about 5 min5Free Surface Effect During Deballasting in a Low-GM Condition
A 12,000 t displacement general cargo ship has KM 7.20 m and KG (solid) 6.90 m. She is completing discharge at a river berth and the chief engineer is asked to deballast No.2 double bottom centre tank, which is 20 m long and 12 m wide, to lighten ship for the tide.
951 words, about 5 min