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valves are round T shaped things in the heads of engines. each cylander has at least 2 valves.one inlet and one exhaust. these valves seat in the heads and are controlled by the cam in the engine, the inlet valve opens to allow fuel into ignition chamber,while the exhaust valve will be closed. on the second half of engine cycle to that cylander the exhaust valve opens to allow the exhaust,(or burnt gas) to exit the engine. this all happens in every cylander in a proper sequence to make the engine run

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15y ago
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8y ago

noun

noun: valve; plural noun: valves

a device for controlling the passage of fluid through a pipe or duct, especially an automatic device allowing movement in one direction only.

synonyms: flap, gate, inlet, tap, faucet, stopcock "the valve on the tank needs to be replaced"

  • Electronics British term for thermionic tube.

    noun: thermionic valve; plural noun: thermionic valves

  • Music a cylindrical mechanism in a brass instrument that, when depressed or turned, admits air into different sections of tubing and so extends the range of available notes.

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14y ago

The Valves are what controls the amount of water going where.

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Q: What are valves?
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