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Knocking in SI Engine vs CI engine | Explain Differences in Knocking Phenomenon in SI and CI Engine

If you're curious about the differences between knocking in spark ignition (SI) engines and compression ignition (CI) engines, then you've come to the right place! In this video, we'll explore the science behind engine knock and how it affects the performance and longevity of your engine. First, we'll define what engine knocking is and the various factors that contribute to it. Then, we'll dive into the differences between SI and CI engines and how they handle knock. In SI engines, knocking occurs when the air-fuel mixture in the combustion chamber ignites prematurely, causing a shock wave that can damage the engine and reduce performance. This is commonly referred to as "pre-ignition" or "detonation" and is caused by a variety of factors, including poor fuel quality, high engine temperatures, and incorrect spark timing. On the other hand, in CI engines, knocking occurs when the fuel mixture ignites too late, causing a "knocking" or "pinging" sound. This is due to the high compression ratio in CI engines, which causes the fuel to ignite spontaneously when it reaches a certain temperature and pressure. To prevent knock in CI engines, specialized fuels and injection systems are used to ensure proper ignition timing and temperature. By understanding the differences between knock in SI and CI engines, you can take steps to prevent engine damage and maximize performance. So, whether you're a car enthusiast or just curious about the inner workings of engines, this video is for you! 📲 For all Courses Download Our App : https://play.google.com/store/apps/de... 🎁 Join WBPSC JE Batch: https://makeiteasy.classx.co.in/cours... 🎁 Join JKSSB JE Batch: https://makeiteasy.classx.co.in/cours... 🎁 Join DRDO CEPTAM 10 CBT 1 Live Batch: https://makeiteasy.classx.co.in/cours... 🎁 Join DRDO CEPTAM 10 CBT 1 + CBT 2 Live Batch: https://makeiteasy.classx.co.in/cours... 🎁 SSC JE 2022 LIVE BATCH :- https://makeiteasy.classx.co.in/cours... 🎁 All State JE Live Batch:- https://makeiteasy.classx.co.in/cours... ================📲 Connect with I'm on Instagram as @make_it_easy_yt. Install the app to follow my photos and videos. https://www.instagram.com/invites/con... 🎯Facebook :-https://cutt.ly/rY2jxla 🎯Telegram For Pdfs :-https://t.me/MAKEITEASYWITHMECHANICAL 🎯 Telegram For ITI:- https://t.me/makeiteasyiti 🎁 Website : - https://makeiteasy.classx.co.in/ ================================================================== 🎁 Paid Courses Available : 1) SSC JE 2020-21 Course : https://www.makeiteasyhub.com/ssc-je-... 2) Full Syllabus Course : https://makeiteasy.classx.co.in/cours... 2) Design Combo: https://makeiteasy.classx.co.in/cours... 3) Thermal Combo: https://makeiteasy.classx.co.in/cours... 4) Production Combo: https://makeiteasy.classx.co.in/cours... 5) Fluid Combo: https://makeiteasy.classx.co.in/cours... 6) Numerical Series:- https://makeiteasy.classx.co.in/cours... ============== For More Details Contact Us:- 📞 +91-8126398828 📞 +91-9410949683 =============== 📁 YouTube Free Class Playlists : - 🎯 SSC JE 2021 -22 🎯 Complete Technical Playlists For Revision ================================= 👉) Complete Theory Of Machines:    • Complete Theory Of Machines Revision ...   👉) Complete Fluid Mechanics:    • Complete Fluid Mechanics Revision For...   👉) Complete Hydraulic Machines:    • Complete Hydraulic Machines Revision ...   👉) Complete Strength of Materials:    • Complete Strength of Materials Revisi...   👉) Complete Thermodynamics:    • Complete Thermodynamics Quick Revisio...   👉) Complete Power Plant Engineering:    • Complete Power Plant Engineering (Qui...   👉) Complete Refrigeration and Air Condition:    • Complete Refrigeration and Air Condit...   👉) Complete Heat Transfer:    • Complete Heat Transfer Revise For all...   👉) Complete Machine Design:    • Complete Machine Design For all Exams   ________________________ Non- Technical Subject Playlist ======================================== 👉) SSC JE Previous Year Question Papers:    • SSC JE 2022-23 NON TECHNICAL SOLUTION   👉) General Science For All technical exams:    • General Science DRDO CEPTAM 10   👉) Indian Polity:    • Indian Polity   ------------------------------------------------------------ #mechanicalEngineering #engineeringExams #mechanicalbyrahulsir