Exam Question
Draw sectional diagram of the piston of 2-Stroke Diesel engine, marking each part. (8)
(a) What is material of each part. (4)
(b) How many piston rings are in use, their type and material (4)
Class 4 (4th Engineer)
MEKM
📅 May 2023
Reference Answer
A comprehensive answer detailing the construction, materials, and ring configuration of a piston for a large, slow-speed, two-stroke marine diesel engine is provided below. The answer is structured to achieve maximum marks in a Class 1 examination.
### Sectional Diagram of a 2-Stroke Diesel Engine Piston
A labeled, cross-sectional diagram is required. The diagram should clearly illustrate the composite nature of a modern 2-stroke piston, which consists of a separate crown and skirt, connected to the piston rod.
**Key Parts to be Marked:**
### Sectional Diagram of a 2-Stroke Diesel Engine Piston
A labeled, cross-sectional diagram is required. The diagram should clearly illustrate the composite nature of a modern 2-stroke piston, which consists of a separate crown and skirt, connected to the piston rod.
**Key Parts to be Marked:**
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