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How Internal Combustion Engine is Different From Steam Engine.

To convert Heat energy into Mechanical energy,Internal combustion Engine or Steam Engine are used.Both are heat engines,but both Engines form two different classes of Machines.

They are different in many ways,but following are the important differences in their operations.

01)The working Temperature and Pressure inside the Internal combustion Engines are much higher than those in the Steam Engines.

02)Material with better Resistance are required for Internal combustion Engine as there are very high Temperature and Pressure in Internal combustion Engine comparing to Steam Engine.

03)The Combustion of Fuel,taken place inside the Engine Cylinder in case of Internal combustion Engine,while in Steam Engine Fuel is burnt in a Boiler to raise the Steam which in turns is used in the Engine cylinder.

04)Stuffing Box Glands for Connecting Rod are avoided in Internal combustion Engine as these are mostly Single Acting Cylinder Engine.In Steam Engine Stuffing Box Glands are required for Piston Rod.

05)The efficiency of Internal combustion Engine is as high as 35 to 40 % as compared to that of Steam Engines which have efficiency is near about 10 to 15%.

Advantages of Internal combustion Engine over Steam Engine.

01)It has higher efficiency

02)It has low weight to power ratio because of its compact design.

03)It can be started instantaneously,in Steam engine Boiler has to be fired and Steam raised before the Engine can be started.

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