Answer :
Final answer:
The typical engine oil pressure at rated speed of 1200 RPM is 40 psi, option a). Higher or lower values could indicate possible engine issues.
Explanation:
The normal engine oil pressure at rated speed of 1200 RPM is typically 40 psi, option a). Engine oil pressure can vary significantly, depending upon a variety of aspects such as temperature, engine speed, and the age and condition of the engine. However, for many engines in good condition, 40 psi is a standard pressure when the engine is operating at a rated speed of 1200 RPM. Greater values than this could indicate issues with the pressure relief valve, while lower values might suggest problems like oil leaks or a worn-out pump.
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