Following a full load dynamometer test, what is the minimum period the engine should be run at idle speed before shut down?
A) five minutes
B) ten minutes
C) twenty minutes
D) forty minutes

Question

Quizplus · Accepted Answer

Running the engine at idle speed for five minutes after a full load dynamometer test allows it to cool down gradually, preventing thermal shock and ensuring the turbocharger has time to slow down safely.

Following a Full Load Dynamometer Test, What Is the Minimum