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Which is an external combustion engine?

An external combustion engine (EC engine) is a heat engine where a working fluid, contained internally, is heated by combustion in an external source, through the engine wall or a heat exchanger. The fluid then, by expanding and acting on the mechanism of the engine, produces motion and usable work.

What is the main problem with internal combustion engines?

Petrol internal combustion engines do notable harm to environment. Transfer of ICE to the liquefied and natural gas restrains need of creation of the necessary number of gas-filling stations.

What fuels can run an internal combustion engine?

Internal combustion engines provide outstanding drivability and durability, with more than 250 million highway transportation vehicles in the United States relying on them. Along with gasoline or diesel, they can also utilize renewable or alternative fuels (e.g., natural gas, propane, biodiesel, or ethanol).

What are the characteristics of internal combustion engines?

The characteristic features common to all piston internal combustion engines are as follows:

  • intake and compression of the air or air–fuel mixture.
  • raising the temperature (and hence, the pressure) of the compressed air by combustion of fuel.

What are the three types of internal combustion engine?

The most common internal-combustion engine is the four-stroke, gasoline-powered, homogeneous-charge, spark-ignition engine.

How are engines classified?

Automotive Engines are generally classified according to following different categories: Internal combustion (IC) and External Combustion (EC) Number of Cylinders – From 1 to up to 18 cylinders (in a car) Arrangement of cylinders which are Inline, V, W, Horizontal, Radial.

How many types of engine are there?

There are two types of engines, and they are: Internal combustion engines: When the combustion of fuel takes place inside the engine like in a car it is known as an internal combustion engine.

What is the most common engine type?

Inline engines

Why diesel engines are called CI engines?

Diesel engines are sometimes called compression-ignition engines because initiation of combustion relies on air heated by compression rather than on an electric spark. In a diesel engine, fuel is introduced as the piston approaches the top dead centre of its stroke.

Which is not use in CI engine?

A compression ignition or diesel engine cannot be operated on producer gas completely without injection of small amount of diesel. This is because the producer gas cannot ignite by itself under prevailing pressure.

What are the problems with diesel engines?

Overheating is probably the biggest problem faced by diesel engines. Pushing the engine too hard is a major cause of overheating. It can result in other problems, which include swelling, distorting or breaking of cylinder heads, pistons expanding, damage to crankshaft and bearings, among other issues.

What is the four stroke cycle diesel engine?

A four-stroke cycle engine is an internal combustion engine that utilizes four distinct piston strokes (intake, compression, power, and exhaust) to complete one operating cycle. The piston make two complete passes in the cylinder to complete one operating cycle.

Why is 2 stroke diesel engine rarely used?

2 stroke engines are rarely used because in this engine the problem of scavenging occurs. Scavenging is termed as incomplete combustion of fuel and air mixture i.e. some of the fuel doesn’t gets burnt out, it goes into the exhaust without getting in combustion.

Can a 2 stroke engine run on diesel?

Diesel fuel is not suitable for use as two stroke engine lube, and your engine would suffer from very fast wear and probably get excessive carbon deposits, and foul the spark plug, etc.

Are two strokes illegal?

Facts About Two-Stroke Vessel Engines Two-stroke engines are not “banned” for use on all waterways in California, nor is there any plan to do so. Carbureted and electronic-injection two-stroke engines are considered high-emission engines.

Why are 2 strokes faster than 4 strokes?

A stroke is a motion of a piston, meaning a two-stroke dirt bike has 2 different motions of the piston, while a four-stroke has 4. 2 Strokes are generally more unstable and accelerate faster, while a 4 stroke is more consistent and has a higher top speed.

Whats faster 2 stroke or 4?

Typically, a 2-stroke engine creates more torque at a higher RPM, while a 4-stroke engine creates a higher torque at a lower RPM. Because 2-stroke engines are designed to run at a higher RPM, they also tend to wear out faster; a 4-stroke engine is generally more durable.