Advantages And Disadvantages Of Four Stroke Petrol Engine Pdf

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advantages and disadvantages of four stroke petrol engine pdf

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4 Stroke Engine Advantages and Disadvantages

Gasoline engine , any of a class of internal-combustion engines that generate power by burning a volatile liquid fuel gasoline or a gasoline mixture such as ethanol with ignition initiated by an electric spark. Gasoline engines can be built to meet the requirements of practically any conceivable power-plant application, the most important being passenger automobiles , small trucks and buses, general aviation aircraft , outboard and small inboard marine units, moderate-sized stationary pumping, lighting plants, machine tools, and power tools. Four-stroke gasoline engines power the vast majority of automobiles , light trucks , medium-to-large motorcycles , and lawn mowers. Two-stroke gasoline engines are less common, but they are used for small outboard marine engines and in many handheld landscaping tools such as chain saws, hedge trimmers, and leaf blowers. Gasoline engines can be grouped into a number of types depending on several criteria , including their application, method of fuel management, ignition, piston-and-cylinder or rotor arrangement, strokes per cycle, cooling system , and valve type and location. In this section they are described within the context of two basic engine types: piston-and-cylinder engines and rotary engines.

Gasoline engine

A four-stroke also four-cycle engine is an internal combustion IC engine in which the piston completes four separate strokes while turning the crankshaft, unkine two stroke engine which works on two cycle. A stroke refers to the full travel of the piston along the cylinder, in either direction. This type of engine works on otto cycle. Four stroke engine can be a petrol engine or a diesel engine. The working of this engine is performed in four separate strokes. Each stroke has following meaning:. This stroke is also known as induction or suction.

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Functioning mode (4 stroke Gasoline engine). 12 de Janeiro de | 12 Advantages and disadvantages of direct injection [10]. Advantages. Inconvenients.

Two Stroke Engines: Overview, Advantages, Disadvantages

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More torque :- In general, 4 stroke engines always make extra torque than 2 stroke engine at low RPM. Although 2 stroked ones give higher torque at higher RPM but it has a lot to do with fuel efficiency. More fuel efficiency :- 4 stroke engines have greater fuel efficiency than 2 stroke ones because fuel is consumed once every 4 strokes. More durability :- We all know that more the engine runs, quicker it wears out. No extra addition of oil :- Only the moving parts need lubrication intermediately.

There are two types of engines found in nearly every car and truck on the road. They used what is called four strokes reciprocating internal combustion engine which is a high horse powered type of engine. Both gas and diesel engines use this type of application. A third type called a two stroke engine , found in lower powered applications such as:.


We might like to give a thought on which is better one OR which has more advantages. Thanks for that, it was very informative. It would seem that both types of engine have inherent advantages and disadvantages when compared which one should take into consideration when selecting which engine is more suitable for a given task. The parts get lubricated when the fuel in gaseous form passes through crankcase! Vey well explained.

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Advantage and disadvantage of two stroke over four stroke cycle engine