When changing over from residual to distillate fuel on a slow-speed diesel main engine, what is a good guideline to follow regarding the change over?

Correct Answer: Option B — Rate of temperature change of fuel to the engine should not exceed 2 degrees C per minute.

Under USCG National Maritime Center examination standards, the accepted correct answer is: Rate of temperature change of fuel to the engine should not exceed 2 degrees C per minute..