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Dhangadhi Polytechnic institute students union

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Dhangadhi Polytechnic institute students union

Address: Dhangadhi-6; kailali.

30/06/2025

DPI condition now 😴

01/06/2024

दरबार हत्याकाण्ड भएको २३ बर्ष: Tribute to late king Birendra family. ❤️

हार्दिक श्रद्धाञ्जली 🌹

27/05/2024

अटोमोबाइल इन्जीनियरिंग छोटे सेमेस्टरका विधार्थीका लागि अत्यंत जरूरी सूचना ।।

24/03/2024

होलीको रंगहरु जस्तै तपाईको जीवन पनि रंगिन रहिरहोस ।
२०८० होलीको शुभकामना !!

01/03/2024

Engine Lubrication Systems

Engine lubrication systems are crucial components in internal combustion engines, ensuring proper lubrication of moving parts to reduce friction and heat, thus extending the engine's lifespan and improving performance. There are several types of lubrication systems used in engines, including:

1. **Splash Lubrication**: Commonly used in small engines, this system relies on the rotation of the crankshaft to splash oil onto critical components, such as the connecting rods, pistons, and cylinder walls. The oil is stored in a sump located at the bottom of the engine.

2. **Pressure Lubrication**: Found in most modern engines, pressure lubrication systems use an oil pump to circulate oil under pressure to critical engine parts. The pump draws oil from the sump and delivers it to various components through galleries or channels drilled into the engine block and cylinder head. Components such as bearings, camshafts, and valve trains rely on pressure lubrication.

3. **Dry Sump Lubrication**: Common in high-performance or racing engines, the dry sump system uses an external reservoir to store oil instead of a traditional sump. A series of pumps draw oil from the reservoir and distribute it to the engine components under pressure. This setup allows for better oil control, reduced windage losses, and improved engine reliability at high speeds and under high lateral forces.

4. **Wet Sump Lubrication**: This is the simplest and most common lubrication system, where the oil is stored in a pan or sump beneath the engine. An oil pump draws oil from the sump and circulates it through the engine as needed. While it's simpler and cheaper than dry sump systems, wet sump lubrication may encounter oil starvation under high g-forces or extreme angles, such as during aggressive cornering or off-road driving.

5. **Circulating Oil Systems**: These systems are typically used in large industrial engines or machinery. They continuously circulate oil through a filt

26/02/2024

Starting system is one of the engine`s system needs to engine start. To make it, the crankshaft must be turned at some speed, so the engine sucks air-fuel mixture and compresses it.

The flywheel with a large gear ring is into the engine. The flywheel rim has the teeth on the surface. The drive gear of the starter engages with it and does the rotating the crankshaft, initiating the duty cycle of the engine.

23/02/2024

Main parts of engine 🚍🚌🚐

17/02/2024

Congratulations All Passed Students 👏👏
semester

14/02/2024

वसन्त पञ्चमीको हार्दिक शुभकामना
जय सरस्वती माता 🙏🙏
सरस्वती मया दृष्टा वीणापुस्तकधारिणी ।
हंसवाहनसंयुक्ता विद्यादानं करोतु मे ।। १।।
प्रथमं भारती नाम द्वितीयञ्च सरस्वती ।
तृतीयं शारदा देवी चतुर्थ हंसवाहिनी ।। २ ।।
पञ्चमं तु जगन्माता षष्ठं वागीश्वरी तथा ।
सप्तमं चैव कौमारी अष्टमं वरदायिनी ।। ३।।
नवमं बुद्धिदात्री च दशमं ब्रह्मचारिणी ।
एकादशं चन्द्रघण्टा द्वादशं भुवनेश्वरी ।। ४।।
द्वादशै तानि नामानि त्रिसन्ध्यं य पठेन्नरः ।
जिह्वाग्रे वसते तस्य ब्रह्मरूपा सरस्वती ।। ५।।

06/02/2024

माघ २९ गतेदेखि सन्चालन हुने डिप्लोमा/प्रमाणपत्र र प्रि-डिप्लोमा तहको नियमित/आंशिक परीक्षाको परीक्षा केन्द्र कायम गरिएको सम्बन्धी अत्यन्त जरुरी सूचना 🌹💐🌹

31/01/2024

वैवाहिक जीवनको हार्दिक बधाई तथा सुखमय जीवनको शुभकामना हेम ज‍ोशी सर र मेडमलाई 🎉💐🎊💏💝

Address

Kailali
DHANGADHI

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