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What is the highest temperature experienced by the exhaust valve?(a) 550^oC(b) 400^oC(c) 900^oC(d) 750^oCThis question was posed to me by my college director while I was bunking the class.My doubt is from Poppet Valves in chapter Valve Timing Technologies of Automotive Engine Design |
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Answer» CORRECT answer is (d) 750^oC The BEST I can explain: The exhaust valve temperature in MODERN engines reach very high valves of the ORDER of 750^oC and sodium is present inside the hollow stem of the valve. |
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