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AMT ENGINE COOLING SYSTEMS

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AMT ENGINE COOLING SYSTEMS ENGINE COOLING SYSTEMS - CORRECT ANSWER -ENGINE COOLING SYSTEMS What effect does excessive heat have on reciprocating engines? - CORRECT ANSWER -It shortens the life of the engine parts, changes the behavior of combustion, & impairs lubrication. What is the purpose of cooling fins? - CORRECT ANSWER -They provide a larger cooling surface area for removing heat from cylinder heads of air-cooled reciprocating engines. Airflow around the cooling fins transfers the heat from the cylinder heads to the air. What are the reasons for using engine cowlings, baffles & cowl air seals? - CORRECT ANSWER -The cowling performs two main functions: it streamlines the engine area to reduce drag, & is used together with the baffles & cowl air seals to direct airflow over the cylinders for cooling. What is the purpose of cowl flaps & how are they operated? - CORRECT ANSWER -They are used to control the amount of airflow through the cowling. they are either mechanically, electrically or hydraulically operated. How does an augmenter cooling system work? - CORRECT ANSWER -An outer tube placed over the exiting exhaust gas creates a venturi effect that draws more airflow over the engine, thus providing additional cooling. Where should cowl flaps be positioned for ground operations? - CORRECT ANSWER -Fully open. What type of power is used to operate cowl flaps? - CORRECT ANSWER -Manual, electrical, or hydraulic. What should be done when cooling fin damage is discovered? - CORRECT ANSWER -Depending on the scope of damage, some cooling fins may be repaired subject to the manufacturer's overhaul & repair limitations. If an excessive amount of the cooling fin is broken off, the cylinder should be

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Institution

AMT ENGINE COOLING SYSTEMS ENGINE COOLING SYSTEMS

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AMT ENGINE COOLING SYSTEMS ENGINE COOLING SYSTEMS

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Institution: AMT ENGINE COOLING SYSTEMS ENGINE COOLING SYSTEMS
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