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| The expansion of a material when it is subjected to heat. |
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| The increase in size of a material when heated with little or no change back to the original dimensions |
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| The heat transfer that occurs from atom to atom when molecules come in direct contact with each other, and trough vibration, when kinetic energy is passed from atom to atom. |
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| A duct that provides a specific path for air to enter an engine cooling system |
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| The period immediately following the initial shutdown of an engine when cooling air flow has stopped and the engine enclosure temperature increases for a brief time. |
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| an engine component that moves coolant through passages of a liquid cooling system |
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| The resistance to motion that occurs when two surfaces slide against eah other. |
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| The internal resistance to flow of a fluid |
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| An oil that has the characteristics of two viscosity ratings for the required flow at low ambient temperatures and has adequate oil film protection at high operating and/or ambient temperatures. |
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| An engine lubrication system in which oil is directed to moving parts by a splashing motion |
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| A splash lubrication system component used on vertical crankshaft engines cosisting of a spinning gear with multiple paddles cast into the plastic gear body. |
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| A series of interconnected cavities cast into the engine block and cylinder head for the circulation of coolant |
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| A mixture of water and antfreeze used in liquid-cooled engines that is circulated throughout the engine cylinder block and other engine components |
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| The ability of a material to conduct and transfer heat |
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| Coefficient of thermal expansion |
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Definition
| The unit change in dimension of a material by changing the temperature 1 degree F |
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| An asymmetrical or nonlinear thermal expansion of a material |
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| an engine component that supplies cooling air to the engine when rotated |
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| Sheet metal or composite material component that encompasses the fan to direct cooling air to the cylinder block and cylinder head |
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| A valve placed between the radiator and the engine block on liquid cooled engines that regulates the flow of coolant |
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| A molecule consisting of repeating structural units that have been chemically formulated to perform in a specific manner |
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| an engine component attached to the connecting rod which directs oil from the oil resevior to bearing surfaces |
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