Class 2 (2nd Engineer) MEKG 📅 Nov 2022

Exam Question

Exhaust gas cleaning system is one of the systems 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 IMOregulations.

Reference Answer

### (a) Types of Exhaust Gas Cleaning Systems (EGCS)
An Exhaust Gas Cleaning System, commonly known as a scrubber, is a device installed to remove Sulphur Oxides (SOx) from the engine and boiler exhaust gases. The primary types are classified based on their operational method and the fluid used for scrubbing.
**1. Open-Loop System**
* **Working Principle:** This system utilizes the natural alkalinity of seawater to neutralize SOx. Seawater is pumped from the sea chest, sprayed into the scrubber tower, and brought into direct contact with the exhaust gas.

Full answer on MeoMock — surveyor-grade reference answers for 7,000+ written exam questions.

View plans Browse library

← Browse more questions

Prepare on Android — MeoMock on Google Play