Class 4 (4th Engineer) MEKM 📅 Jan 2024

Exam Question

(a) In modern electronic type 2 stroke main engines which components are replaced by electronic equivalents (8)

(b) Describe by drawing a simple sketch, fuel injection system on electronic type engine. (6)

Reference Answer

### (a) Components Replaced by Electronic Equivalents in Modern 2-Stroke Engines
In modern electronically controlled (camshaft-less) 2-stroke marine diesel engines, the traditional mechanical-hydraulic system is replaced by an electro-hydraulic system. This results in the omission of numerous mechanical components and their replacement with integrated control units.
**1. Mechanical Components Omitted:**
Based on the principles of modern engine design, the following bulky and wear-prone mechanical parts are eliminated:

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