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
📅 Aug 2025
Reference Answer
### (a) Piston Stroke (L)
**1. Definition:**
The Piston Stroke is the linear distance the piston travels within the cylinder between its two extreme points of travel: the Top Dead Centre (TDC) and the Bottom Dead Centre (BDC). TDC is the position where the piston is furthest from the crankshaft, and BDC is the position where it is closest to the crankshaft.
**2. Significance:**
**1. Definition:**
The Piston Stroke is the linear distance the piston travels within the cylinder between its two extreme points of travel: the Top Dead Centre (TDC) and the Bottom Dead Centre (BDC). TDC is the position where the piston is furthest from the crankshaft, and BDC is the position where it is closest to the crankshaft.
**2. Significance:**
Full answer on MeoMock — surveyor-grade reference answers for 7,000+ written exam questions.
Prepare on Android — MeoMock on Google Play