Exam Question
Describe following terms with respect to Diesel Engine with suitable diagram:
(a) Piston Stroke (4)
(b) Swept Volume (4)
(c) Clearance volume (4)
(d) Compression ratio (4)
Class 4 (4th Engineer)
MEKM
📅 Dec 2024
Reference Answer
### (a) Piston Stroke (4 Marks)
**Concept:**
Piston stroke (often denoted as 'L' or 'S') refers to the linear distance travelled by the piston within the cylinder liner from one extreme position to the other. These extreme positions are:
* **Top Dead Centre (TDC):** The uppermost position of the piston in the cylinder, closest to the cylinder head.
**Concept:**
Piston stroke (often denoted as 'L' or 'S') refers to the linear distance travelled by the piston within the cylinder liner from one extreme position to the other. These extreme positions are:
* **Top Dead Centre (TDC):** The uppermost position of the piston in the cylinder, closest to the cylinder head.
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