Question 488Steam Plants - Assistant Engineer70% to pass
The most harmful slag forming compounds found in fuel oils are _______________.
AI Explanation
The correct answer is B) vanadium and sodium.
Vanadium and sodium are the most harmful slag-forming compounds found in fuel oils. These compounds can form deposits on boiler and turbine components, leading to decreased efficiency and increased maintenance requirements. This is an important consideration for the operation and maintenance of vessels, which is a key part of the US Coast Guard Captain's License Examinations.
The other options are incorrect because potassium and nickel (A) are not the primary slag-forming compounds, calcium and silica (C) are less problematic than vanadium and sodium, and iron and sulfur (D) do not directly contribute to slag formation in the same way as the correct answer.
Related Questions
#486 Which of the significant combustible elements of fuel oil is a major source of boiler corrosion? #487 The property of a fuel oil which is a measurement of its available energy is known as its _______________.#489 According to Coast Guard Regulations #490 The temperature of the fuel oil received during bunkering operations is critical in determining the _______________.#491 The flash point of a residual fuel oil should be used to determine the highest temperature to which the oil may be heated _______________.