BTEB Diploma In Marine Engineering Examination Practice Questions - Bangladesh Technical Education Board Diploma In Marine Engineering Examination Exam

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Why is Heavy Fuel Oil (HFO) preheated to approximately 130°C–140°C before entering the marine diesel engine fuel injection pumps?

To reduce its kinematic viscosity to 10–15 cSt for optimal nozzle atomization To vaporize the fuel completely before entering the cylinder To remove asphaltic sludge and catalytic fines To increase the calorific value of the fuel oil

Correct Answer:

To reduce its kinematic viscosity to 10–15 cSt for optimal nozzle atomization

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