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In a four-stroke engine, which valve is heavily loaded?(a) Exhaust(b) Inlet(c) Non-return(d) One wayThis question was posed to me in final exam.My question is from IC Engine in section Design of IC Engine Components of Automotive Engine Design

Answer»

The correct option is (a) Exhaust

Explanation: In a four-stroke engine, the exhaust valve is HEAVILY LOADED when compared to the INLET valve due to SMALLER in size and experience a lot of heat.



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