COOLING SYSTEM REVIEW the average temperature of the burned gases in the combustion chamber - CORRECT ANSWER 3600F Approximately ___ of the heat provided by burning combustion gases is converted to mechanical energy - CORRECT ANSWER -1/3 What are the two basic types of cooling systems used in small engines? - CORRECT ANSWER -Air & liquid cooling systems The heat that reaches the cooling fins is carried away mainly by - CORRECT ANSWER -Convection What role does the engine oil play in the cooling process - CORRECT ANSWER -Absorbs heat The __ increase the surface area around the outside of the cylinder in air cooled engines - CORRECT ANSWER -Cooling fins Cylinders of water cooled engines are surrounded by - CORRECT ANSWER -Waterjackets When used for engine cooling, water is about __ more effective as air - CORRECT ANSWER -4 Name the six major components of a pressurized cooling system - CORRECT ANSWER -Radiator, water pump, water jacker, thermometer, fan, hose, radiator cap A __ is a valve that stops circulation of engine coolant until the engine reaches prope
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