Q4. Exhaust gas cleaning system is one of the system used on board ship to reduce SOX emissions-
(a) Briefly discuss various types of Exhaust gas cleaning system used on board ship.
(b) What all data to be monitored and recorded when EGCS is in use to ensure that system meets all IMO regulations.
(c) What action you will take as second engineer if the system stopped working.
Q3. (a) Describe, with the aid of a sketch, an open loop system for reducing SOx emissions from engine exhaust gas, explaining how the system operates whilst the vessel is in open waters. (8)
(b) Describe, with the aid of a sketch, a closed loop scrubber system for removing SOx from engine exhaust gas, explaining the operation of this unit and stating when it would be used. (8)
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