Technician A says that weak valve springs can impede heat transfer between the valve faces and seats. Technician B says that wear can be evident on the top when a valve spring has too little tension. Who is correct?

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The Answer of Technician A says that weak valve springs can impede heat transfer between the valve faces and seats. Technician B says that wear can be evident on the top when a valve spring has too little tension. Who is correct?

Technician a Says That Weak Valve Springs Can Impede Heat