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Distinguish between air cooling system and water cooling system.
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Sr. No. Air cooling system Water colling system
1 In this system cooling medium used is Air In this system cooling medium used is Water
2 The engine design is simple The engine design is complex
3 The air cooled engine is less sensitive to climate condition. Engine performance becomes more sensitive to climate conditions
4 Air cooling system has no maintenance It requires maintenance. slight leakage of radiator may result in engine breakdown
5 The worm up performance is better this results in low cylinder wear The worm up performance is poor this results in greater cylinder wear
6 Size of engine is small and weight is less as there is no water jacket, radiator and water pump Size and weight of engine is increased to use of due radiator and water pump
7 Air cooled engine must be installed in front side of the vehicle Water cooled engine can be installed anywhere on the vehicle
8 Volumetric efficiency is lower due to high cylinder head temperature Volumetric efficiency is greater than air cooled engine.
9 Examples: Bikes, Scooters etc. Examples: Cars, Buses, Trucks etc.
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