Practice question

What is the main advantage of using an overhead cam (OHC) engine design compared to an overhead valve (OHV) pushrod engine design?

  1. Reduced reciprocating mass in the valve train, allowing for higher engine RPM
  2. Lower manufacturing cost and fewer moving parts in the crankcase
  3. No requirement for engine oil lubrication in the cylinder head
  4. The ability to run the engine on lower octane fuel without knocking

Answer: A — Reduced reciprocating mass in the valve train, allowing for higher engine RPM

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