DDE Unlimited Practice Questions - USCG Designated Duty Engineer (DDE) Unlimited Horsepower Exam

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A diesel engine will not start when the starting air valve is opened, although air pressure is normal and the air start distributor appears to function. The most likely cause is that the:

Cooling water expansion tank is low Turning gear is still engaged Fuel oil viscosity is too high for the day tank heater setting Crankcase oil level is slightly above the high mark

Correct Answer:

Turning gear is still engaged

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